Some Game Mods have their own work pages; this index is meant to collect them all in one place. The Modding Tree engine for Prestige Tree has its own page, list ones not made in that engine here.
0 A.D.
ARMA II
- Banjo-Dreamie
- Banjo Kazooie Legend Of The Crystal Jiggy
- Banjo Kazooie The Final Mission
- Banjo Kazooie Worlds Collide
- The Legend of Banjo-Kazooie: The Jiggies of Time
Battlefield series
The Battle for Middle-earth series
Blood series
- Auri Mod
- The Binding of Isaac: Antibirth (Would later be altered and merged with the base game when The Binding Of Isaac: Repentance was released.)
- The Binding Of Isaac: Epiphany
- The Binding Of Isaac Excelsior (soundtrack mod)
- The Binding of Isaac: Revelations
- The Binding Of Isaac Whybirth
- Fiend Folio
- Isaac Survivors (based on Vampire Survivors)
- Rebekah: The Cursed and Brokenhearted Expansion
- Reverie - Touhou Combinations (Crossover with Touhou Project)
- Samael
- The 2020 Celeste Spring Community Collab
- Celeste 2021 Winter Collab
- Gallery Collab 2024
- Gate To The Stars
- Glyph
- Shrouded Thoughts
- Strawberry Jam Collab
Civilization IV
- Command And Conquer Generals Contra
- Command And Conquer Generals Zero Hour Enhanced
- Command And Conquer Generals Zero Hour Reborn
- Command And Conquer Generals Zero Hour Continue
- The End of Days
- Command And Conquer Red Alert Redux
- Command And Conquer Tiberiam Dawn Redux
- Rise of the Reds
- Command & Conquer: Generals Shockwave
Command & Conquer: Red Alert 2
- Command And Conquer Final War
- Command And Conquer New War
- Command And Conquer Reloaded (crossover between Command & Conquer: Red Alert 2 and Command & Conquer: Tiberian Sun)
- Command And Conquer Timeline 452 (based on Command & Conquer: Red Alert 3)
- Mental Omega
- Project Phantom
- Project VEGA
- Red Alert 20XX
- Red Alert Colony Wars
- Red Alert Reboot
- Red Counter Strike
- Red Resurrection
- Retro Generals
- Rise of the East (based on Command & Conquer: Generals)
- Tiberian War Ion Shock (based on Command & Conquer: Tiberian Sun and a sequel to Tiberian War War Zone)
- Tiberium Crisis (based on Command & Conquer 3: Tiberium Wars and Command & Conquer 4: Tiberian Twilight)
Command & Conquer: Red Alert 3
Command & Conquer: Tiberian Sun
- Dawn of the Tiberium Age (later released as freeware game)
- Tiberian War War Zone
- The Second Tiberium War (available standalone without the need for the base game)
- Twisted Insurrection (later released as freeware game)
Command & Conquer 3: Tiberium Wars
- After the End: A Post-Apocalyptic America
- Crisis of the Confederation
- Crusader Kings II: Game of Thrones Mod
- The Four Nations - An Avatar: The Last Airbender Mod
- New Era - Old World
- DDLC Purist Mod
- Doki Doki: A Brand New Day
- Doki Doki Blue Skies
- Doki Doki Club Meetings
- Doki Doki Rainclouds
- Doki Doki Salvation
- Our Final Heartbeat
- Monika Before Story
Doom (classic)
- Action Doom 2: Urban Brawl
- Aetherius
- The Adventures of Massmouth
- The Adventures of Square
- Angelic Waifus
- Ashes 2063
- Batman Doom
- Brutal Doom
- Brutal Wolfenstein 3D
- Call of Dooty
- Chex Quest
- Codename Demolitionist
- Complex Doom
- Demonsteele
- Genesis Saga Aurora
- Ghouls vs. Humans
- GMOTA
- Going Down
- Grezzo 2
- Guncaster
- Hacx
- Harmony
- Hideous Destructor
- High Noon Drifter
- Highway Acceleroid Booster
- Hunter's Moon
- Insanity's Requiem
- Lt. Typhon
- Mega Man 8-Bit Deathmatch
- Memoirs of Magic
- My House
- Project Brutality
- Quake Champions: Doom Edition
- Reelism
- REKKR
- Russian Overkill
- Schism
- Shadow of the Wool Ball
- Sigil
- Sonic Robo Blast 2
- Strange Aeons
- Sunder
- Total Chaos
- Trailblazer
- Trench Foot
- TurboCharged ARCADE!
- Venturous
- Viet Doom
- ZDoom Wars
The Elder Scrolls III: Morrowind
The Elder Scrolls IV: Oblivion
- Amorous Adventures
- Beyond Reach
- Beyond Skyrim
- Conan Hyborian Age
- Enderal
- Falskaar
- Frostfall
- The Forgotten City (later adapted into a stand-alone game)
- Inigo
- Interesting NPCs
- Legacy of the Dragonborn
- Lucien
- Ordinator — Perks of Skyrim
- Relics of Hyrule
- Requiem - The Roleplaying Overhaul
- Rigmor
- Vigilant
Star Wars: Empire at War
Escape Velocity Nova
- Autumn Leaves
- Beyond Boulder Dome
- Dog City Denver
- Fallout: Dust
- Five Nights at Vault 5
- For the Enclave
- The Frontier
- Hell on Earth
- Honest Hearts Reborn
- Mikeburnfire's NPCs and Quests
- More Perks Mod
- New California
- The Overseer Series
- The Rockwell Series
- The Someguy Series
- A World of Pain
- America Rising 2
- A Cannibal In Concord
- Concussion
- Fallout 4: Northern Springs
- Fallout Frost
- Fallout London
- Fallout UIF
- Maxwell's World
- Sanctuary Hot Springs
- Sim Settlements 2
- Tales from the Commonwealth
- Vault 1080
- Vault 83: The Librarian
- Antinomia Final Fantasy VI
- Filly Fantasy VI
- Final Fantasy VI: A Soldier's Contingency (Recursive ROM Hack of General Leo Edition)
- Final Fantasy VI Brave New World
- Pony Fantasy VI
- Return of the Dark Sorcerer
Fire Emblem: The Blazing Blade
Fire Emblem: The Sacred Stones
- Bells Of Byelen
- Fire Emblem: Code of the Black Knights
- Fire Emblem: Code of the Burger King
- Fire Emblem: The Four Kings
- Fire Emblem: Justice and Pride
- Fire Emblem: Shackled Power
- Fire Emblem: Souls of the Forest
- Fire Emblem: The Sun God's Wrath
- Fire Emblem: Vision Quest
- Midnight Sun (remade into Path of the Midnight Sun, a standalone game)
- Ancient-Shivan War
- The Babylon Project: Started as a Game Mod for FreeSpace 2 but ended up a standalone game that just uses the FS2 engine.
- Blue Planet
- Derelict
- Dimensional Eclipse
- Just Another Day
- Silent Threat: Reborn
- Wings of Dawn
Freedom Force series
- 13th Friday Night: Funk Blood
- Analog Funkin'
- Arrow Funk
- The Basement Show
- BETADCIU
- Big Brother Mod
- The Blueballs Incident
- Cognitive Crisis
- Computerized Conflict
- Concert Conundrum
- Confronting Yourself
- Cosmo Calamity Vs Yukichi
- Craziness Injection
- Cyber Sensation
- Darkness Takeover
- Dine N Dash
- Doki Doki Takeover!
- Dusk Till Dawn
- Elegant Night Dancin'
- Elements Of Insanity
- Entity Origins: BREAKOUT
- Everywhere at the End of Funk
- FNF: Artistic Altitude
- FNF CN Lost Episodes
- FNF Free Download
- FNF Lord X Wrath
- FNF Sonic Shuffle
- FNF: Spirits of Hell
- FNF: The Golden ONE
- FNF Vs Pibby Cartoons
- FNF Week Sigma
- Fangirl Frenzy
- Flavor Rave
- Friday at Treasure Island
- Friday Doge Funkin'
- Friday Night Clownin
- Friday Night Crunchin'
- Friday Night Dustin'
- Friday Night Fankan
- Friday Night Fever
- Friday Night Flippin'
- Friday Night Fluffin'
- Friday Night Fortress: Vs. Mann Co
- Friday Night Foundation
- Friday Night Funk
- Friday Night Funkin': Antipathy
- Friday Night Funkin' Antiverse: VS MARIO
- Friday Night Funkin': Arcade Archives
- Friday Night Funkin' - A World Of Our Own
- Friday Night Funkin': B3 Remixed
- Friday Night Funkin' — Below the Depths
- Friday Night Funkin': Big Swingin' Sister
- Friday Night Funkin': Botanical Madness
- Friday Night Funkin BPM
- Friday Night Funkin': B-Side Remixes
- Friday Night Funkin', But Bad
- Friday Night Funkin: Cartoon Corruption
- Friday Night Funkin': Chaos Nightmare
- Friday Night Funkin' - Childhood Memories
- Friday Night Funkin': CLASSIFIED
- Friday Night Funkin': Corruption
- Friday Night Funkin Crystal
- Friday Night Funkin' D-Sides
- Friday Night Funkin': ENTITY
- Friday Night Funkin' HD
- Friday Night Funkin Hellbeats
- Friday Night Funkin' INFERNAL BOUT (Vs Bowser)
- Friday Night Funkin' Lullaby
- Friday Night Funkin': Maginage Matches
- Friday Night Funkin': Mario's Madness
- Friday Night Funkin' Minus
- Friday Night Funkin': MOB MOD
- Friday Night Funkin': Multiverse Mayhem
- Friday Night Funkin': Namco Museum
- Friday Night Funkin': Neo
- Friday Night Funkin': Nightmare Of The Mushroom Kingdom
- Friday Night Funkin' Online VS.
- Friday Night Funkin': Party Week
- Friday Night Funkin': Phantom Attack
- Friday Night Funkin': Reboot Me
- Friday Night Funkin: Secret Histories
- Friday Night Funkin': SingStar Challenge
- Friday Night Funkin' Soft
- Friday Night Funkin': Tails Gets Trolled
- Friday Night Funkin': The Origami King
- Friday Night Funkin' - V.S Chara
- Friday Night Funkin': Vs. Pac Man
- Friday Night Funkin' X-Ray Mod
- Friday Night In Bikini Bottom: Lost Episodes
- The Friday Night Incident
- Friday Night Kitty
- Friday Night Monster Of Monsters
- Friday Night Sandboxin'
- Friday Night Shootin'
- FRIDAY NIGHT THE 13TH
- Friday Night Trepidation
- Friday Night Troubleshootin
- Friendly Night Funkin'
- Fruit Medley Mayhem
- Funki Funki Karaoke Club!
- Funkin' at Freddy's
- Funkin Dash
- The Funkin Files
- Funkin For Bikini Bottom
- Funkin For Hire
- Funkin In The Massacre Night
- Funkin' Is Magic
- Funkin' MIX
- Funkin' On a Monday
- Funkin' Origins Plus
- Funkin' Physics
- Funkin ROM
- Funkin Traumatized
- Funkscop
- Glitched Legends
- Godsent Gaslit
- Graffiti Groovin'
- Happy Tree Funkers
- Heartly Paranoia
- Heavenly Harmony
- Hit Single
- Holiday Mod
- HoloFunk
- Hotline 024
- Illegal Instruction
- The Impostor Boyfriend Saga
- Indie Cross
- Inhuman OS
- In the Galaxy
- Jeffy's Endless Aethos!
- Kick Ass Kin: Vs. Cuz
- K.O.U. Mod
- Kreadian Funk
- Late Night City Tales
- Lily In Grave
- literally every fnf mod ever
- Livid Lycanthrope
- Lofi Funkin'
- Lunes a la Madrugada Re Manija (ARG RUMBLE)
- Mario FNF Port
- Mario Mix
- Mario's Monday Night Massacre
- Martian Mixtape
- Mega Man: Funkin' Heroes
- Mid-Fight Masses
- Mistful Crimson Morning
- Monday Dusk Monolith
- Night of the Funky Bot
- One Last Funk
- The Panzu Collection
- Phantastical Boundaries
- Pibby: Apocalypse
- Pibby Corrupted
- Pick n' Pluck - Vs. Rosie
- Plant's Night Funkin Replanted
- Plants vs. Rappers
- Postal F: Apocalypse Friday
- Post-Morten Mix-Up (Vs. King)
- Purgatory Powerdown
- QT Mod
- The Return Funkin
- RIFUNK
- Roastin' on a Cartoon Cartoon Friday
- Salty's Sunday Night
- Saturday Night Swappin'
- Scarlet Melopoeia
- Seek's Cool Deltarune Mod
- Ski Sings For You!
- Smoke 'Em Out Struggle
- Sonic Legacy (FNF)
- Sonic Speed Funk
- Soulless DX
- Soyjak Funkin
- Speed.GIF
- Spooky's Saturday Scare
- Starlight Mayhem
- Static Memories
- Stickman VS Friday Night Funkin
- Sunday Night Suicide
- Super Mario Bros. Funkers
- Super Mario Bros. Funk Mix
- Super Thursday Night Funkin
- Tales From The Raveyard
- Thomas' Railway Showdown
- Times & Tribulations—Vs. Omega
- The Tricky Mod
- Twinsomnia
- UNDERTALE: Poopshitters
- Viernes Noche Webiando'
- Vs. Ace
- Vs Air
- Vs Anders
- Vs Annie
- Vs. Auditor: Gateway to Hell
- Vs. Beepie
- Vs Bob And Bosip
- Vs Bogus
- VS Carol
- VS Cassandra
- Vs. Cassette Girl
- Vs Cheeky
- Vs Cloud
- Vs. Dave and Bambi
- Vs Dead Pixels
- Vs. Eddsworld
- Vs Elite Octoling
- VS Flippy
- Vs. Flippy: Flipped Out!
- Vs. FNaF
- Vs. Gorefield
- Vs Hex Mod
- Vs. Impostor
- Vs Isaac
- Vs Javier
- Vs. Jenny
- VS. Kapi - Arcade Showdown
- Vs Lilac
- VS. Mario
- Vs Mecha
- V.S. Monker - Doki Doki Bean Club
- Vs. Mouse
- VS Natsuki
- Vs Neko Freak
- vs. NEON
- Vs Nonsense
- vs OG SONIC.EXE?!
- VS OURPLE GUY
- Vs Pompom
- Vs. RetroSpecter
- Vs Rewrite
- VS Shaggy
- Vs. Singe and Sear
- VS Sketchy
- Vs Sky
- Vs Slenderman
- Vs Sonic.exe
- Vs Spinel
- Vs Spong
- Vs SpongeBob Parodies
- VS Sunday
- Vs Starecrown
- V.S. TABI Ex Boyfriend
- vstobiasvschowdervspizzastevevsrobotjonesvssumovscourage
- Vs Torture
- Vs Virus R
- VS Whitty
- V.S Zardy - Foolhardy
- Vulture Culture
- Wednesday's Infidelity
- Week Σ - Vs. Demetrios
- Wii Funkin
- Your Painfully Average Self Insert FNF Mod
- YTP Invasion
FunHouse (1990) (pinball machine)
- FunHouse: Rudy's Nightmare (officially licensed, sold for profit)
- Afraid of Monsters
- Cry of Fear (Later remade as a commercial game)
- Crack-Life
- Counter-Strike (Later owned by Valve)
- Cthulhu: An Unspeakable Mod
- Day of Defeat (Later owned by Valve)
- Half-Quake
- Heart of Evil
- Jamie's Mod
- Nuclear Winter
- Pirates Vikings and Knights (It's sequel Pirates, Vikings and Kinghts 2 got released on Steam)
- Poke646
- Scientist Slaughterhouse
- The Specialists
- Sven Co-op (Later remade as a commercial game)
- Sweet Half-Life
- Team Fortress Classic (Originally named just Team Fortress under used from Quake engine until later owned by Valve)
- They Hunger
- Zombie Panic
- Black Mesa (Later remade as a commercial game)
- Black Snow (Half-Life 2)
- The Closure
- Day Hard
- Dear Esther (Later remade as a commercial game)
- Dystopia (Later remade as a commercial game)
- Entropy : Zero
- Fistful of Frags (Later remade as a commercial game)
- Garry's Mod (Later remade as a commercial game)
- Elevator: Source
- GMod Tower (Later adapted into a Spiritual Successor titled Tower Unite)
- Murder!
- Jazztronauts
- Prop Hunt
- Slashers
- Trouble in Terrorist Town
- Fat Kid
- Zombie Survival
- Get a Life
- Iron Grip
- Grey (Half-Life 2)
- The Hidden: Source
- Hunt Down the Freeman
- Terminal 7
- Insurgency: Modern Infantry Combat (Later remade as a commercial game titled Insurgency)
- Korsakovia
- MINERVA: Metastasis (Later remade as a commercial game)
- Missing Information
- Mistake of Pythagoras
- NeoTokyo (2014) (Later remade as a commercial game)
- Nightmare House
- No More Room In Hell (Later remade as a commercial game)
- Research & Development
- Sarma Cube
- The Stanley Parable (Later remade as a commercial game)
- Underhell
- Beyond Earth
- Bring the War Home
- Eternal Golden Dawn
- Equestria at War
- Extremis Ultimis
- The Fire Rises (Mod)
- The Gates of Versailles
- Hearts of Minecraft
- Kaiserreich: Legacy of the Weltkrieg
- The New Order: Last Days of Europe
- Old World Blues
- Pax Britannica
- Pride And Fall
- Red Flood
- Red World
- Spartakus: World in Revolution
- Thousand-Week Reich
- Twilight of the Anthropocene
- Von Der Asche
- Iji_MSPFA (the mod of the Interactive Comic of the game)
- I Wanna Kill the Kamilia (while it modifies some original levels, it is mainly a mod of other fangames)
Star Wars: Jedi Knight: Jedi Academy
Star Wars: Knights of the Old Republic II: The Sith Lords
The Legend of Zelda: Ocarina of Time
Mario Kart series
Mega Man series
- Mega Man X3 - Zero Project
- Rockman CX
- Rockman 2 Deus Ex Machina
- Rockman Exhaust
- Rockman 4 Minus ∞
- Rockman 7 EP
- Rockman No Constancy
Stackable Mods
- The Aether
- Advent of Ascension
- Alex's Caves
- Alex's Mobs
- Blightfall
- BuildCraft
- The Lord of the Rings Mod: Bringing Middle-earth to Minecraft
- Lycanite's Mobs
- Millenaire
- Miskatonic Mysteries
- Mo' Creatures
- OreSpawn
- Scape and Run: Parasites
- Technic Pack
- Thaumcraft
- The Twilight Forest
- Witchery
Overhaul/Conversion Mods
Maps
- Asteroid 5251
- Burgmund Trilogy
- Calmere Nightmare
- The Curse of Sunny Springs
- Curse of the Pumpkin Prince
- Deep Space Turtle Chase
- Diversity
- The Dropper
- The Easiest Adventure Mapâ„¢
- The EDEN Project
- The Fall of Gondolin
- Forsaken Lands
- Four Towers
- Gloria
- The Gourd Avenger
- Herobrine's Mansion
- Jeoffrey's Chamber
- The Lost Potato
- Monarch of Madness
- The Mountain of Kikatchu
- Mysterious East
- Mystery of the Pumpkin Castle
- The Pharaoh's Curse
- Professor Grizwald
- Pyramid Adventure
- The Redmurk Mystery
- Rise of the Rebellion
- Skylands
- Super Hostile
- The Tourist
- Wild West Adventure
- Wrath of the Fallen
- Zombie Apocalypse
- 1866: A Mount & Blade Western
- Anno Domini 1257
- Europe 1200
- Gekokujo
- The Last Days (of the Third Age of Middle Earth)
- Light & Darkness: Heroes of Calradia
- Phantasy Calradia
- Prophesy of Pendor
- The Reckoning
- Solid & Shade
- Star Wars Conquest
- Sword of Damocles
- The Aielund Saga
- The Bastard of Kosigan
- A Dance with Rogues
- d20 Modern Neverwinter Nights
- Gladiatrix
- July Anarchy
- Tales of Arterra
Paper Mario: The Thousand-Year Door
Pokémon series
- Dragon Ball Z Team Training
- Moemon
- Pokemon Adventure Red Chapter
- Pokémon Blaze Black and Volt White
- Pokemon Blue Kaizo
- Pokémon Brown and Prism
- Pokémon Crystal Clear
- Pokémon Crystal Enhanced
- Pokemon Crystal Kaizo
- Pokémon Dark Rising
- Pokemon Emerald Kaizo
- Pokémon False Red
- Pokémon FireRed: Rocket Edition
- Pokémon Flora Sky
- Pokémon Fool's Gold
- Pokémon Gaia
- Pokémon Light Platinum
- Pokémon Moon Emerald
- Pokémon Polished Crystal
- Pokemon Quarantine Crystal
- Pokémon Quartz
- Pokémon Radical Red
- Pokémon R.O.W.E.
- Pokémon Snakewood
- Pokemon Stadium Kaizo
- Pokémon Sweet Version
- Pokémon Unbound
- Pokémon Vega
- Pokémon Vietnamese Crystal
- Touhou Ningyougeki
- Twitch Plays Pokémon Crystal Anniversary (stand-alone version)
- Portal: The Flash Version
- Portal: Prelude
- Blue Portals
- Aperture Tag: The Paint Gun Testing Initiative (Later released as a commercial game)
- Portal Reloaded
- Portal: Revolution
- Portal Stories: Mel (Later released as a commercial game)
- Portal Stories: VR
- Repercussions (Still in development since at least 2013)
- Arcane Dimensions
- Beyond Belief (later made a downloadable mod for the 2021 remastered edition of the game)
- Contract Revoked (later made a downloadable mod for the 2021 remastered edition of the game)
- Deathmatch Dimension (later made a downloadable mod for the 2021 remastered edition of the game)
- Honey (later made a downloadable mod for the 2021 remastered edition of the game)
- The Punishment Due (later made a downloadable mod for the 2021 remastered edition of the game)
- QDOOM (later made a downloadable mod for the 2021 remastered edition of the game)
- Rubicon 2 (later made a downloadable mod for the 2021 remastered edition of the game)
- Slave Zero X: Episode Enyo (later made a downloadable mod for the 2021 remastered edition of the game)
- Spiritworld (later made a downloadable mod for the 2021 remastered edition of the game)
- Team Fortress 1 (later remade as Team Fortress Classic, which is a mod of Half-Life instead)
- Terra (later made a downloadable mod for the 2021 remastered edition of the game)
- Underdark Overbright (later made a downloadable mod for the 2021 remastered edition of the game)
- X-Men: The Ravages of Apocalypse
- Urban Terror (Later released as a standalone freeware game following the release of the id Tech 3 source code)
Sonic the Hedgehog series
- Amy Rose in Sonic the Hedgehog
- Robotnik's Revenge
- Sonic 2006 Legacyof Solaris
- Sonic Erazor
- Sonic Forces Overclocked
- Sonic Mania & Hatsune Miku
- Sonic the Hedgehog Megamix
- Sonic the Very Useful Engine
- See Recap.Star Trek Online for missions created with the Foundry Level Editor.
- Koopa Kingdom Escape
- Mario Adventure
- Super Mario Bros. 3Mix
- Super Pony All Stars (Crossover with My Little Pony: Friendship Is Magic)
- #0 IGGY'S CASTLE
- ALPHA SPHERE
- Armageddon SMW
- Brutal Mario
- Casio Mario World
- Chaos CompleXX
- Eyeless
- Fishing Season
- Game.bps
- Grand Poo World
- Grand Poo World 2
- Grand Poo World 3
- Hammer Brother
- JUMP
- Kaizo Mario World
- Luigi's Misadventures (Crossover with Codename: Kids Next Door)
- Mario & Luigi: Kola Kingdom Quest
- MARIO by M A R I O
- Mario Gives Up
- Mario's Mystery Meat
- The Second Reality Project
- An SMWC Production
- Something
- Super Mario Bros. 3X
- Super Mario Bros.: For Lost Players
- Super Mario Bros 5 Reborn
- Super Demo World: The Legend Continues
- Super Mario World: Piranha Island
- A Super Mario Thing
- Super Pansy World
- 'the
- Vanilla Level Design Contest
- B3313
- Breaking The Barrier
- SM64.z64
- Super Mario Star Road
- Super Mario 64 Chaos Edition
- Super Mario 64 Land
- Super Mario 64: Last Impact
- Star Revenge
Super Mario World 2: Yoshi's Island
Total War series
- Alien Swarm (Later remade as a commercial game under Valve's Source engine)
- Ballistic Weapons
- Killing Floor (Later remade as a commercial game)
- Out Of Hell
- Red Orchestra (Later remade as a commercial game)
- Chronicles of the Second War
- Defense of the Ancients (later remade as Dota 2)
- The Heart of Storms
- Legacy of Lordaeron
- Rise of the Blood Elves
- Spellbringers
- To the Bitter End
- Wanderers of Sorceria
