An Unwelcome Guest
Green Ronin Publishing: d20 3 (2001 PDF)

The U-Con Conversations 1998 & 1999 with M.A.R. Barker
Tita's House of Games: Generic 1 (2001 )

The U-Con Conversations 2000 & 2001 with M.A.R. Barker
Tita's House of Games: Generic 1 (2002 )

U.S. Army Vehicle Guide
GDW: Twilight: 2000 1 (1986 )

U.S.E.R.'s Most Wanted
Khepera Publishing: d6 System 2 (2007 )
Cubicle 7 Entertainment: d6 System 2 (2010 )
Khepera Publishing: d6 System 2 (2010 )

U.S.S. Apollo
Fat Dragon Games: Generic 1 (2008 PDF)

U.S.S. Enterprise Deck Plans
FASA Corporation: Star Trek 1 (1983 Box)

U1: Gallery of Evil
Paizo Publishing: d20 3.5 (2007 )

U1: Shadows of the Halfling Hall
Troll Lord Games: Castles & Crusades 1 (2005 )
Troll Lord Games: Castles & Crusades 1 (2009 )
SmiteWorks: Castles & Crusades 1 (2009 eBook)
Troll Lord Games: Castles & Crusades 1 (2009 eBook)

U1: The Sinister Secret of Saltmarsh
TSR: AD&D 1 (1981 )

U2: Danger at Dunwater
TSR: AD&D 1 (1982 )

U2: Fingers of the Forsaken Hand
Troll Lord Games: Castles & Crusades 1 (2005 )
Troll Lord Games: Castles & Crusades 1 (2009 )

U2: Hangman's Noose
Paizo Publishing: d20 3.5 (2008 )

U3: The Final Enemy
TSR: AD&D 1 (1983 )

U3: Verdant Rage
Troll Lord Games: Castles & Crusades 1 (2006 )
Troll Lord Games: Castles & Crusades 1 (2009 )

U4: Curse of the Khan
Troll Lord Games: Castles & Crusades 1 (2011 )

UA1: Arachnophobia!
Usherwood Publishing: OSRIC 2 (2009 )

UA2: The Awakening: Revised Edition
Usherwood Publishing: OSRIC 2 (2009 )

UAC1: The Gems of Fire!
Usherwood Publishing: OSRIC 2 (2009 PDF)

UAC2: Into the Halls of Mystery
Usherwood Publishing: OSRIC 2 (2009 PDF)

UAC3: The Lost Atoll of the Bleu Dragon
Usherwood Publishing: OSRIC 2 (2009 PDF)

Uber RPG: Steampunk
Uber Goober Games: Uber RPG 1 (2012 )

Ubersreik Adventures
Cubicle 7 Entertainment: Warhammer Fantasy Roleplay 4 (2020 )

Ubiquity Dice
Exile Game Studio: Ubiquity 1 (2007 )

Uchelghan: The Blood Tribute
Ragnarok Enterprises: Ysgarth 4 (1984 Digest)

Uchronia: The Mecha Exodus
Silence Indigo: Indie 1 (2008 )

UFP: The Federation Sourcebook
Task Force Games: Prime Directive (1994 )

Uh-Oh, Monsters!
Monte Cook Games: Cypher Lite 1 (2017 Box)

UIG Penalties List
Brutal Games: Corporation 3 (2010 PDF)

UK1: Beyond the Crystal Cave
TSR: AD&D 1 (1983 )

UK1: Porpher's Enchanted Garden
Kenzer & Company: HackMaster 4 (2005 )

UK2: The Sentinel
TSR: AD&D 1 (1983 )

UK3: The Gauntlet
TSR: AD&D 1 (1984 )

UK4: When a Star Falls
TSR: AD&D 1 (1984 )

UK5: Eye of the Serpent
TSR: AD&D 1 (1984 )

UK6: All That Glitters ...
TSR: AD&D 1 (1984 )

UK7: Dark Clouds Gather
TSR: AD&D 1 (1985 )

Uktena Tribebook
White Wolf Publishing: Werewolf: The Apocalypse 2 (1996 )

Ulcer
Final Redoubt Press: Fiction (2006 PDF)

Ultima Thule: Mythic Scandinavia
Atlas Games: Ars Magica 4 (1999 )

The Ultimate Adventurer's Guide
Wonderworld Press: Synnibarr 2 (1994 )

The Ultimate Adventurers Guide I
Self-published: Synnibarr 3 1 (2015 PDF)

Ultimate Adversaries
Wizards of the Coast: Star Wars d20 2 (2004 )

Ultimate Alien Anthology
Wizards of the Coast: Star Wars d20 2 (2003 )

Ultimate Arcane Spellbook
Mongoose Publishing: d20 3.5 (2003 Hardcover)

The Ultimate Base
Hero Games: HERO 6 (2009 )

Ultimate Battle
Legendary Games: Pathfinder 1 (2013 )

The Ultimate Brick
Hero Games: HERO 5 (2004 )

Ultimate Campaign
Paizo Publishing: Pathfinder 1 (2013 Hardcover)

Ultimate Character Concepts
Mongoose Publishing: d20 3.5 (2003 Hardcover)

Ultimate Character Record Sheet
Mongoose Publishing: d20 3.5 (2003 )

Ultimate Combat
Paizo Publishing: Pathfinder 1 (2011 Hardcover)
Paizo Publishing: Pathfinder 1 (2011 PDF)

Ultimate Divine Spellbook
Mongoose Publishing: d20 3.5 (2004 Hardcover)

The Ultimate Energy Projector
Hero Games: HERO 5 (2007 )

Ultimate Equipment
Paizo Publishing: Pathfinder 1 (2012 Hardcover)

Ultimate Equipment Guide Vol. I
Mongoose Publishing: d20 3 (2003 Hardcover)

Ultimate Equipment Guide Vol. II
Mongoose Publishing: d20 3.5 (2005 Hardcover)

Ultimate Feats
Mongoose Publishing: d20 3 (2002 Hardcover)

Ultimate Game Designer's Companion
Mongoose Publishing: d20 3 (2003 )

The Ultimate GM Screen
Fat Dragon Games: Generic 1 (2008 PDF)
Fat Dragon Games: Generic 1 (2009 PDF)

The Ultimate Helm
TSR: Fiction (1993 )

Ultimate Intrigue
Paizo Publishing: Pathfinder 1 (2016 Hardcover)

Ultimate Magic
Paizo Publishing: Pathfinder 1 (2011 Hardcover)

Ultimate Magic Items
Mongoose Publishing: d20 3.5 (2004 )

The Ultimate Martial Artist
Hero Games: HERO 4 (1994 )
Hero Games: HERO 5 (2002 )

The Ultimate Mentalist
Hero Games: HERO 5 (2006 )

The Ultimate Metamorph
Hero Games: HERO 5 (2005 )

Ultimate Monsters
Mongoose Publishing: d20 3.5 (2003 Hardcover)

The Ultimate Mystic
Hero Games: HERO 5 (2005 )

Ultimate NPCs
Mongoose Publishing: d20 3.5 (2004 Hardcover)

Ultimate Power
Gamelords (2): Generic / One-Off System 1 (1994 )

Ultimate Power
Green Ronin Publishing: Mutants & Masterminds 2 (2006 )

Ultimate Prestige Classes Vol. 1
Mongoose Publishing: d20 3 (2002 Hardcover)

Ultimate Prestige Classes Volume 2
Mongoose Publishing: d20 3.5 (2003 Hardcover)

Ultimate Psionics
Dreamscarred Press: Pathfinder 1 (2014 Hardcover)

Ultimate Relationships
Legendary Games: Pathfinder 1 (2014 PDF)

The Ultimate Skill
Hero Games: HERO 5 (2006 )

The Ultimate Speedster
Hero Games: HERO 5 (2006 )

Ultimate Toolbox
AEG: Generic 1 (2009 )

The Ultimate Vehicle
Hero Games: HERO 5 (2003 )

Ultimate Wilderness
Paizo Publishing: Pathfinder 1 (2017 Hardcover)

Ultramodern Firearms
Chameleon Eclectic Entertainment: Millennium's End 2 (1993 )
Green Ronin Publishing: d20 Modern 1 (2002 Hardcover)

Ultramodern4
Dias Ex Machina Games: Dungeons & Dragons 4 (2012 PDF)

Ulverland
Self-published: Generic 1 (2014 Digest)

Umbar: Haven of the Corsairs
I.C.E.: MERP 1 (1982 )

Umbra
White Wolf Publishing: Werewolf: The Apocalypse 3 (2001 )
White Wolf Publishing: Werewolf: The Apocalypse 1 (1993 )

Umbra: The Velvet Shadow
Onyx Path Publishing: Werewolf: The Apocalypse 4 (2014 Hardcover)

Umbrage Saga Fragments
Troll Lord Games: Castles & Crusades 1 (2009 PDF)

The Umbrage Saga: The Wicked Cauldron
Troll Lord Games: Castles & Crusades 1 (2010 Box)

Umbragia: Realms of Shadow Core Rulebook
Jagged Edge Games: d20 3 (2001 PDF)

The Umerican Survival Guide
Shield of Faith Studios: Dungeon Crawl Classics 1 (2017 )
Shield of Faith Studios: Dungeon Crawl Classics 1 (2017 )

Umläut: Game of Metal
Lord of the Pies: Umläut 1 (2010 )

Unapproachable East
Wizards of the Coast: Dungeons & Dragons 3 (2003 )

Unauthorized Broadcast
Atlas Games: Over the Edge 1 (1993 )

Unbidden
Politically Incorrect Games: QUERP 1 (2003 PDF)

Unbound Adventures
Expeditious Retreat Press: d20 3.5 (2008 )

The Unbound Soul
Skortched Urf' Studios: d20 Modern 1 (2007 PDF)

Unbreakable: Volume 1
Unbreakable Publishers: Dungeons & Dragons 5 (2020 Hardcover)

The Unbroken
One Bad Egg: Dungeons & Dragons 4 (2008 PDF)

Unbroken Chain
Wizards of the Coast: Fiction (2010 TPB)

Uncaged: Faces of Sigil
TSR: AD&D 2 (1996 )

Uncaged: Volume I
Dungeon Masters Guild: Dungeons & Dragons 5 (2019 Hardcover)

The Uncanny X-Men: An X-cellent Death
TSR: Marvel Super Heroes Adventure Gamebook 1 (1987 )

The Uncanny X-Men: Special Campaign Set
TSR: Marvel Super Heroes 2 (1990 Box)

Uncharted Worlds
Sean Gomes: Uncharted Worlds 1 (2015 )

unChosen
Silver Branch Games: NUGGETS 1 (2004 PDF)

Unclaimed Lands
Triple Ace Games: Savage Worlds 2 (2010 PDF)

Uncle Ernie's Minions of Doom
Optimus Design Systems: Battlelords of the 23rd Century (1994 )

Uncle Ugly's Underground Doom
Flying Buffalo: Tunnels & Trolls 4 (1978 Looseleaf)

Unclean
Wizards of the Coast: Fiction (2007 )

Uncommon Character
Atlas Games: d20 3 (2003 )

Unconventional Diplomacy
Cubicle 7 Entertainment, UK: Laundry 1 (2014 )

Uncounted Worlds #1
Uncounted Worlds Press: BRP 2 (2008 )

Undead
Mayfair Games: AD&D 1 (1986 )

Undead
AEG: d20 3 (2001 )

Undead
Wizards of the Coast: Fiction (2008 )

Undead & Buried
Mayfair Games: Chill / Mayfair 1 (1992 )

Undead Revisited
Paizo Publishing: Pathfinder 1 (2011 )

Undead Slayer's Handbook
Paizo Publishing: Pathfinder 1 (2014 )

The Undead Stormtroopers of Grunerwald
Vigilance Press: Icons 1 (2010 PDF)

Undead Unleashed
Paizo Publishing: Pathfinder 1 (2014 )

Undead: Grave Threats
Super Genius Games: Generic 1 (2011 PDF)
OtherWorld Creations: Generic 1 (2011 PDF)

Undefeatable 1: Wizards & Sorcerers
LPJ Design: Pathfinder 1 (2009 PDF)

Undefeatable 2: Clerics
LPJ Design: Pathfinder 1 (2009 PDF)

Undefeatable 3: Bards
LPJ Design: Pathfinder 1 (2009 PDF)

Undefeatable 4: Barbarian
LPJ Design: Pathfinder 1 (2009 PDF)

Undefeatable 5: Fighters
LPJ Design: Pathfinder 1 (2009 PDF)

Under a Blood Red Moon
White Wolf Publishing: Werewolf: The Apocalypse 1 (1993 )

Under Dragon's Wing
TSR: Fiction (1984 )

Under Fallen Stars
TSR: Fiction (1999 )

Under My Skin
Black and Green Games: Generic 1 (2008 )

Under the Bed
glyphpress: Under the Bed 1 (2005 )

Under the Big Top
Freeform Games: Generic / One-Off System 1 (2006 PDF)

Under the Black Cross
White Wolf Publishing: Storyteller System: Dark Ages 1 (2002 )

Under the Blood Red Moon
Troll Lord Games: Castles & Crusades 1 (2016 )
Troll Lord Games: Amazing Adventures 1 (2016 )

Under the Castle Gates
Brittannia Game Designs: Chivalry & Sorcery Light 1 (2000 )

Under the Crimson Sun
Wizards of the Coast: Fiction (2011 )

Under the Eye of the Tempest
EN Publishing: d20 3.5 (2008 )
EN Publishing: d20 3.5 (2008 )

Under the Moons of Zoon
Self-published: Under the Moons of Zoon 1 (2004 PDF)

Under the Rose
White Wolf Publishing: Exalted 2 (2010 )

Under the Shadow
Fantasy Flight Games: Midnight d20 3.5 (2004 )

Under the Skin
White Wolf Publishing: Hunter: The Vigil 1 (2009 PDF)

Under the Storm Giant's Castle
Judges Guild: D&D / Original 1 (1979 )

Under Xylarthen's Tower
Self-published: D&D / Original 1 (2008 PDF)

Undercurrents #1: ... A Guide to the On-Going Colonization of Poseidon.
Biohazard Games: Blue Planet 1 (1997 )

Undercurrents #2: ... A Guide to the On-Going Colonization of Poseidon.
Biohazard Games: Blue Planet 1 (1997 )

Undercurrents #3: ... A Guide to the On-Going Colonization of Poseidon.
Biohazard Games: Blue Planet 1 (1998 )

Undercurrents #4: ... A Guide to the On-Going Colonization of Poseidon.
Biohazard Games: Blue Planet 1 (1998 )

Undercurrents #5/6: ... A Guide to the On-Going Colonization of Poseidon.
Biohazard Games: Blue Planet 1 (1999 )

Undercurrents #7: ... a guide to the ongoing colonization of Poseidon.
Biohazard Games: Synergy (2007 PDF)

Underdark
Wizards of the Coast: Dungeons & Dragons 3.5 (2003 )

Underdark
Wizards of the Coast: Dungeons & Dragons 4 (2010 Hardcover)

Underdark Adventure Guide
Goodman Games, UK: Dungeons & Dragons 3 (2003 Hardcover)

The Underdelve Menace
Run Amok Games: Generic 1 (2012 )

Underground
Mayfair Games: Underground 1 (1993 )

Underground
Amalara Game Studio: Push 1 (2022 )

Underground Companion
Mayfair Games: Underground 1 (1994 )

Underground Gamemaster Pack
Mayfair Games: Underground 1 (1993 )

Underground Player's Handbook
Mayfair Games: Underground 1 (1994 )

Underground Railroad
Fantasy Games Unlimited: Psi World 1 (1985 )

The Underground River
Spellbook Games: Portal to Adventure 1 (2010 PDF)

Underground: The Notebook
Mayfair Games: Underground 1 (1993 Looseleaf)

Underlings
Minotaur Games: Pathfinder 1 (2013 PDF)

Undermountain: Halaster's Lost Apprentice
Wizards of the Coast: Dungeons & Dragons 4 (2010 )

Undermountain: Maddgoth's Castle
TSR: AD&D 2 (1996 )

Undermountain: Stardock
TSR: AD&D 2 (1996 )

Undermountain: The Lost Level
TSR: AD&D 2 (1996 )

Underneath the Lamplight
Cubicle 7 Entertainment: Heresy Engine 2 (2013 )

The Underplex
Mongoose Publishing: Paranoia 6 (2006 )

The Undersea Environment
Gamelords: Traveller 1 (1983 Digest)

Undersea Kingdom Chapter Five: Prisoners of Atlantis
Adamant Entertainment: Savage Worlds 2 (2010 PDF)

Undersea Kingdom Chapter Four: Revenge of the Volkites
Adamant Entertainment: Savage Worlds 2 (2010 PDF)

Undersea Kingdom Chapter One: Beneath the Ocean Floor
Adamant Entertainment: Savage Worlds 2 (2010 PDF)

Undersea Kingdom Chapter Six: The Juggernaut Strikes
Adamant Entertainment: Savage Worlds 2 (2010 PDF)

Undersea Kingdom Chapter Three: Arena of Death
Adamant Entertainment: Savage Worlds 2 (2010 PDF)

Undersea Kingdom Chapter Two: The Undersea City
Adamant Entertainment: Savage Worlds 2 (2010 PDF)

Understanding Gamers
Dork Storm Press: Fiction (2003 )

Understanding Traveller
Games Workshop: Traveller 1 (1981 Digest)

Understanding Traveller: The New Era
GDW: Traveller: TNE 1 (2004 )

UnderWorld
Synister Creative Systems: UnderWorld (2000 )

Underworld
White Wolf Publishing: Storyteller System: Trinity 1 (2002 PDF)

Underworld Enemies
Hero Games: HERO 4 (1993 )
I.C.E.: HERO 4 (1993 )

Underworld Sourcebook
FASA Corporation: Shadowrun 2 (1997 )

Undiscovered: Adventure Guide Screen
Eilfin Publishing: Undiscovered 1 (2003 Hardcover)

Undiscovered: Player's Codex
Eilfin Publishing: Undiscovered 1 (2001 )

Undiscovered: Quickstart Guide
Eilfin Publishing: Undiscovered 1 (2002 PDF)

Undiscovered: The Quest for Adventure
Eilfin Publishing: Undiscovered 1 (2001 Hardcover)

Undying Leaders
Chaosium: Call of Cthulhu 6 (2007 )

Undying Legacy of the First Ones
LPJ Design: Pathfinder 1 (2012 )

UNE: The Universal NPC Emulator (revised)
Conjecture Games: Generic 1 (2014 )

Unearthed Arcana
TSR: AD&D 1 (1985 Hardcover)
Twenty-First Century Games: AD&D 1 (1999 )

Unearthed Arcana
Wizards of the Coast: Dungeons & Dragons 3.5 (2004 Hardcover)

Unearthly: Cosmic Heroes
Adamant Entertainment: Mutants & Masterminds 2 (2007 )

Uneasy Alliances
TSR: Fiction (1998 )

Unexpected Allies
AEG: Legend of the Five Rings 1 (1999 )

The Unexplained
Carnivore Games: Fudge 1 (2009 Hardcover)

Unforgettable Encounters: Con Job at the Broken Jug
4th Dimension Games: Pathfinder 1 (2011 PDF)

Unfriendly Skies
Catalyst Game Labs: Shadowrun 4 (2011 PDF)

Unhallowed Halls
Atlas Games: d20 3 (2002 )

Unhallowed Metropolis
Eos Press: Heart of Darkness 1 (2007 Hardcover)

Unhallowed Metropolis Companion
Hallows Eve Designs: Heart of Darkness 1 (2009 )

Unhallowed Necropolis
Hallows Eve Designs: Heart of Darkness 1 (2009 Hardcover)

Unholy
Wizards of the Coast: Fiction (2009 )

The Unholy Warrior's Handbook
Green Ronin Publishing: d20 3 (2003 )

The Unicorn
Wizards of the Coast: Fiction (2000 )

The Unicorn Hunt
TSR: Fiction (1995 )

UNIDA Catalog of Alternate Worlds & Platforms
Tri Tac Games: Generic 1 (2007 PDF)

Uninvited Guests
Destination Games: Generic 1 (1997 )
Corsair Publishing: Generic 1 (1997 )

Unistat
Plague Monkey Games: Generic / One-Off System 1 (2006 PDF)

The United Citizens' Federation
Mongoose Publishing: d20 3.5 (2005 )

The Unity
Pinnacle: Deadlands 2 (2002 )

Unity Underground
Red Moon Medicine Show: Unity Underground (2011 PDF)

The Universal Brotherhood
FASA Corporation: Shadowrun 2 (1990 )

Universal Exploits
Kort'thalis Publishing: Alpha Blue 1 (2016 )

Universal: Force Sensitive Exile Specialization Deck
Fantasy Flight Games: Edge of the Empire 1 (2014 Pack)

Universal: Force-Sensitive Emergent Specialization Deck
Fantasy Flight Games: Age of Rebellion 1 (2014 Pack)

Universal: Recruit Specialization Deck
Fantasy Flight Games: Age of Rebellion 1 (2014 Pack)

Universalis
Ramshead Publishing: Universalis 1 (2002 )
Ramshead Publishing: Universalis 1 (2006 )

Universe
SPI: Generic / One-Off System (1981 Box)
Bantam Books: Generic / One-Off System (1982 )

Universe Gamemaster's Screen and System, World, and Environ Logs
SPI: Generic / One-Off System 1 (1981 )

Universe of Babylon 5
Mongoose Publishing: Traveller / Mongoose 1 (2009 )

Universe Primer
Tower Ravens: Omni-Gamer System 1 (2003 )

University of Sog City Conference Guide
Reaching Moon Megacorp: Generic (1994 )

Unkindness
BlackWyrm Games: Icons 1 (2010 PDF)
BlackWyrm Games: HERO 6 (2010 PDF)

Unknown Armies Book Five: Mine
Atlas Games: Unknown Armies 3 (2017 PDF)

Unknown Armies Book Four: Expose
Atlas Games: Unknown Armies 3 (2017 PDF)

Unknown Armies Book One: Play
Atlas Games: Unknown Armies 3 (2017 eBook)

Unknown Armies Book Three: Reveal
Atlas Games: Unknown Armies 3 (2017 eBook)

Unknown Armies Book Two: Run
Atlas Games: Unknown Armies 3 (2017 eBook)

Unknown Armies
Atlas Games: Unknown Armies 1 (1998 )
Atlas Games: Unknown Armies 2 (2002 Hardcover)

The Unknown East
Chaosium: Elric! 1 (1995 )

The Unknown Gods
Judges Guild: D&D / Original 1 (1980 )

Unknown Providence: SAVE in New England
Mayfair Games: Chill / Mayfair 1 (1996 )

The Unknown Regions
Wizards of the Coast: Star Wars d20 3 (2010 Hardcover)

Unleashed Hordes
Sacrosanct Games: Compact Heroes 1 (2011 Pack)

Unlikely Flowerings
Eos Press: Nobilis 2 (2008 PDF)

Unmasked
Monte Cook Games: Cypher System 1 (2017 Hardcover)

The Unnaturals
West End Games: MasterBook 1 (1994 )

Unnight
Steve Jackson Games: GURPS 3 (1988 )

The Unofficial Blade Runner Roleplaying Game
Farsight Games: Sketch System 1 (2008 PDF)

Unofficial O.S.R.I.C. Skills System
World Gorean Society: OSRIC 2 (2010 PDF)

Unorthodox Sorcerers
The Le Games: d20 3.5 (2006 PDF)

UNsanctioned: The Dream Corrupted
Nightshift Games: UNSanctioned 1 (2000 )

Unseen Masters
Chaosium: Call of Cthulhu 5.5 (2001 )

Unseen Treasures
Bards and Sages Publishing: Generic 1 (2007 PDF)

UnSpeakable
Memento Mori Theatricks: InSpectres 1 (2002 PDF)

The Unspeakable Oath #2
Pagan Publishing: Call of Cthulhu 4 (1991 Digest)

The Unspeakable Oath #4: The Mayhem Issue
Pagan Publishing: Call of Cthulhu 4 (1991 Digest)

The Unspeakable Oath #5: The British Issue
Pagan Publishing: Call of Cthulhu 4 (1992 Digest)

The Unspeakable Oath #10
Pagan Publishing: Call of Cthulhu 5 (1993 )

The Unspeakable Oath #11
Pagan Publishing: Call of Cthulhu 5 (1994 )

The Unspeakable Oath #14/15
Pagan Publishing: Call of Cthulhu 5 (1997 )

The Unspeakable Oath #16/17
Pagan Publishing: Call of Cthulhu 5.5 (2001 Digest)

The Unspeakable Oath #18
Arc Dream Publishing: Call of Cthulhu 6 (2010 Digest)

The Unspeakable Oath #19
Arc Dream Publishing: Call of Cthulhu 6 (2011 )

The Unspeakable Oath #20
Arc Dream Publishing: Call of Cthulhu 6 (2011 )

The Unspeakable Oath #21
Arc Dream Publishing: Call of Cthulhu 6 (2012 )

The Unspeakable Oath #23
Arc Dream Publishing: Call of Cthulhu 6 (2013 )

The Unspeakable Oath #24
Arc Dream Publishing: Call of Cthulhu 6 (2014 )

The Unspeakable Oath #25
Arc Dream Publishing: Generic 1 (2018 )

Unspoken Shame
AEG: d20 3 (2002 )

The Unspoken Word #1: Tarsh in Flames!
The Unspoken Word, UK: Hero Wars 1 (2001 )

The Unspoken Word #2: The Thieves' Arm
The Unspoken Word: Hero Wars 1 (2002 )

Unsung
Ivanhoe Unbound: Generic 1 (2005 PDF)

Unsung Tales Beta
Self-published: Generic / One-Off System 1 (2012 Looseleaf)

Untamed Empires Combat
Talisman Studios: Savage Worlds 2 (2008 PDF)

Untamed Empires Playing Deck
Talisman Studios: Savage Worlds 2 (2007 PDF)

Untapped Potential: New Horizons in Psionics
Dreamscarred Press: d20 3.5 (2006 )

UNTIL Superpowers Database
Hero Games: HERO 5 (2003 )

UNTIL Superpowers Database II
Hero Games: HERO 5 (2005 )

UNTIL: Defenders Of Freedom
Hero Games: HERO 5 (2003 )

untitled
Self-published: untitled 1 (2005 PDF)
Bob Goat Press: untitled 1 (2006 )

Untold
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Adventure: Bad Beginnings Alpha
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Apoc Starter Deck
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Aspects: Basic Aspects
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Banes: Basic Banes
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Basic Drains
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Battle Faction: Flux Horrors
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Battle Faction: NAU Defenders
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Battle Faction: Undead Infection
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Environment: Mountains
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Environment: Ruins
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Flux Mutations
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Hostile Hand: GM's Minions
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Hostile Hand: Races of New Earth
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Iconic Character: 201132
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Iconic Character: Apenimon
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Iconic Character: Buzzsaw
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Iconic Character: Sarge
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Iconic Character: Taelia
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Iconic Character: Toa
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Klik Starter Deck
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: L'na Starter Deck
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Apoc Amplifications
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Basic Skills
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Basic Traits
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Clockwork Components
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Core Combat
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Flux Horror Powers
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Foundational Powers
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Gifts of Oaze
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Heavy Metal
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Lock 'n' Load
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Melee Weapons
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: NAU Defender Powers
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Primal Magic
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Powers: Undead Infection Powers
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: QRC Deck
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Races: Apocs: High-breds and Churls
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Races: Klik: Rollers and Tripods
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Races: L'na: Dawns and Twilights
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Untold: Triple Threat: Slugs and Steel
Wandering Men Studios: Untold 1 (2010 Looseleaf)

Unusual Core Classes: The Spellweaver
Misfit Studios: d20 3.5 (2006 )

Unusual Suspects
Frog God Games: Pathfinder 1 (2012 )

Unveiled Addenda
Legendary Games Studio: Mazes & Minotaurs 1 (2006 PDF)

Unveiled Masters
Paradigm Concepts: d20 3 (2003 )

Unveiled Threats
Sandstorm Productions: Framewerk 1 (2010 Hardcover)
WildFire: Framewerk 1 (2010 Hardcover)

The Unwavering Path
Wizards of the Coast: Dungeons & Dragons 3.5 (2006 PDF)

Unwired
Catalyst Game Labs: Shadowrun 4 (2008 Hardcover)

Unwritten: Adventures in the Ages of Myst & Beyond
InkWorks Productions: Fate Core 1 (2015 )

The Upgrade
Self-published: The Upgrade 2 (2005 PDF)

Uplifts
Cubicle 7 Entertainment, UK: Mini Six 1 (2011 )
Fire Ruby Designs, UK: Mini Six 1 (2011 )

Upload: Etherpunk
Goodman Games: Etherscope 1 (2006 )

Uppsala
Cubicle 7 Entertainment: Yggdrasill 1 (2015 )

Uprising!
Task Force Games: Prime Directive (1994 )

Upwind Quickstart Primer
Nocturnal: Q 1 (2017 PDF)
Biohazard Games: Q 1 (2017 PDF)

Uragyad'n of the Seven Pillars
FASA Corporation: Traveller 1 (1981 )

Urban Adversaries
Escape Velocity Gaming: Dungeons & Dragons 4 (2010 PDF)

Urban Arcana Campaign Setting
Wizards of the Coast: d20 Modern 1 (2003 Hardcover)

Urban Faerie
Postmortem Studios: Urban Faerie 1 (2004 PDF)

Urban Fantasy Hero
Hero Games: HERO 5 (2009 )

Urban Guerilla
GDW: Twilight: 2000 1 (1987 )

Urban Knights
C. Michael Hall: Lucky 6 System 1 (2016 )

Urban Legends
White Wolf Publishing: Hunter: The Reckoning 1 (2003 )

Urban Legends
White Wolf Publishing: Storytelling System 1 (2007 Hardcover)

Urban Shadows
Magpie Games: Urban Shadows 1 (2015 )

Urban Shadows: (2nd Edition)
Magpie Games: Powered by the Apocalypse 1 (2025 PDF)

Urban Shadows: Dark Streets
Magpie Games: Urban Shadows 1 (2017 PDF)

Urban Sniper
Skortched Urf' Studios: d20 Modern 1 (2006 PDF)

Urbanimus
Self-published: Secrets & Lies 1 (2009 PDF)

Urchin
Clint Krause: Generic 1 (2007 )

Uresia: Grave of Heaven
Guardians of Order: Big Eyes, Small Mouth 2.5 (2003 )
Cumberland Games & Diversions: Generic (2012 PDF)
Guardians of Order: Anime d20 1 (2004 )

Urge
Heartburn Games: Sorcerer 1 (2001 PDF)

Ursa Carrien
Nightfall Games: Sla Industries 1.1 (2011 PDF)

Usagi Yojimbo Monsters!
Gold Rush Games: Fuzion (2000 )

Usagi Yojimbo Role-Playing Game
Sanguine Productions: Ironclaw 1 (2005 )

Usagi Yojimbo Roleplaying Game
Gold Rush Games: Fuzion (1997 )

The USHER Dossiers
Vigilance Press: Icons 1 (2011 PDF)

The USHER Dossiers Free Preview
Vigilance Press: Icons 1 (2010 PDF)

Usherwood Adventures Expansion for OSRIC
Usherwood Adventures: OSRIC 2.2 (2011 )
Usherwood Adventures: OSRIC 2.2 (2011 Hardcover)

Usherwood Adventures: Introductory Adventure Bundle
Usherwood Adventures: OSRIC 2.2 (2010 )

Using Chainmail to Resolve OD&D Combats
Self-published: D&D / Original 1 (2010 PDF)

Ussura
AEG: 7th Sea (2001 )

The Usual Suspects
DwD Studios: d00Lite 1 (2013 Digest)

The Usurpers
0one Games: d20 3.5 (2009 )

Utatti Asfet
Chaosium: Call of Cthulhu 5 (1996 )

Utopia
White Wolf Publishing: Hunter: The Reckoning 1 (2002 )

Uuhraah!
Blackhawk Games: Generic / One-Off System 1 (1976 )

Uz: The Trolls of Glorantha
The Unspoken Word: Hero Wars 1 (2001 )