Best Mod Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated mod games. For those who prefer not to search, lists of the most played and best free mod games are available at the bottom of the page.
Filters & Lists
Nightmare House: The Original Mod
Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.
Battle Grounds III
After 6 years of development, Battle Grounds III (BG3) is the next iteration in the classic franchise which began 17 years ago. Prepare for battle in the American War of Independence!
Open Mod 2024.2
Open Mod is an entirely free to play, niche, tactical, extreme hardcore first person shooter with immersive aspects that may not have been seen before.
Battle Talent
Battle Talent is a challenging physics-based rogue-lite sword-fighting game, and now includes multiplayer mode, team up with friends to defeat enemies! You can create your own fighting style in a mega seamless procedural dungeon. With over 80 enemy variants, 100 weapons, and 60 perks.
DFHack - Dwarf Fortress Modding Engine
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.
Football Simulator
Step onto the gridiron with Football Simulator and experience the most dynamic and physics-driven football game ever made. Break through tackles, juggle tipped passes, and dive for interceptions to lead your team to victory. Features a fully moddable environment.
Solargene
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Ficket: 追剧引擎
You can browse uniformly the same information scattered on various websites through Ficket.
BLEACH Brave Souls
The world of mega-hit manga and anime BLEACH comes to Steam in this exciting 3D action game! Build a team using your favorite characters from the BLEACH universe!
Skater XL - The Ultimate Skateboarding Game
Experience unparalleled board control and responsiveness while you skate iconic real-world skate spots. This is the evolution of skateboarding gameplay. With Independent Foot Control and unique physics-based gameplay, skate gamers finally have the expressive controls they have always dreamed of.
Estranged: The Departure
Estranged: The Departure follows the story of a fisherman, stranded on a mysterious island during a violent storm. Little does he know his adventure has just begun, and the island is home to more than it first seems.
Bot Studio for Discord
The easiest way to make Discord bots. A drag and drop editor makes it simple to create the perfect bot for your servers, no coding required!
Talvisota - Winter War
Talvisota for Rising Storm 2 brings players from the steaming jungles of Vietnam to the frozen forests of Finland, during the Soviet-Finnish Winter War of the late 1930s.
Black Mesa
Relive Half-Life.
Transport Fever 2
The classic transport simulation genre has a new gold standard with Transport Fever 2. Discover a whole new world by navigating transport routes through land, water and air. May progress and prosperity find their way!
Bus Simulator 18
Experience the job of a bus driver in a vast and freely drivable urban area. Drive original licensed city buses from the great brands: Mercedes-Benz, Setra, MAN, and IVECO BUS. Transport your passengers safely and punctually, either solo in single player mode, or in multiplayer mode.
EMERGENCY 4 Deluxe
Coordinate firefighters, police, medical personnel and specialists in the classic EMERGENCY 4 Deluxe! Now with the previously untranslated bonus missions in English.
PIPE by BMX Streets
PIPE is a physics based BMX experience built for the BMX community designed to simulate realistic BMX motion. Perform over 50 aerial stunts, grind any corner, send big airs in the PIPE! PIPE also includes some fun Easter Eggs for those willing to explore and think outside the box.
Full Ace Tennis Simulator
Full Ace Tennis Simulator is for those seeking unequaled tennis depth and fun.
CarX Drift Racing Online
CarX Drift Racing Online is your chance to immerse yourself in the real world of drifting. Get together with friends, tune your car and burn some tires!
Codename CURE
Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.
EMERGENCY 20
Coordinate your team of first responders in the anniversary edition of EMERGENCY! Featuring 10 remastered classic EMERGENCY missions and three full campaigns, EMERGENCY 20 is the complete package for both experienced and new rescue commanders!
Just Cause™ 3: Multiplayer Mod
Just Cause 3 Multiplayer mod is a free fan-created project bringing an explosive and highly-customizable multiplayer.
Most played mod games on Steam
Take a look at the top mod games that are currently attracting the largest player bases on the Steam platform, as of June 14th 2025.
1. Ficket: 追剧引擎
You can browse uniformly the same information scattered on various websites through Ficket. Ficket: 追剧引擎 is a indie, utilities and early access game developed and published by 一个小目标工作室. Released on June 18th 2021 has received 2,107 reviews of which 1,495 were positive and 612 were negative resulting in a rating of 6.9 out of 10. The game currently holds the #1 spot among the most played mod games.
6.9
1,495
612
90
players
2. EMERGENCY 4 Deluxe
Coordinate firefighters, police, medical personnel and specialists in the classic EMERGENCY 4 Deluxe! Now with the previously untranslated bonus missions in English. EMERGENCY 4 Deluxe is a simulation, strategy and mod game developed and published by Sixteen Tons Entertainment. Released on April 24th 2018 has received 1,855 reviews of which 1,726 were positive and 129 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #2 spot among the most played mod games.
8.9
1,726
129
83
players
3. EMERGENCY 20
Coordinate your team of first responders in the anniversary edition of EMERGENCY! Featuring 10 remastered classic EMERGENCY missions and three full campaigns, EMERGENCY 20 is the complete package for both experienced and new rescue commanders! EMERGENCY 20 is a strategy, simulation and multiplayer game developed and published by Sixteen Tons Entertainment. Released on October 31st 2017 has received 2,012 reviews of which 1,693 were positive and 319 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #3 spot among the most played mod games.
8.1
1,693
319
35
players
4. Full Ace Tennis Simulator
Full Ace Tennis Simulator is for those seeking unequaled tennis depth and fun. Full Ace Tennis Simulator is a tennis, simulation and sports game developed by Galactic Gaming Guild and published by Whippering. Released on February 28th 2018 has received 489 reviews of which 440 were positive and 49 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #4 spot among the most played mod games.
8.4
440
49
22
players
5. Football Simulator
Step onto the gridiron with Football Simulator and experience the most dynamic and physics-driven football game ever made. Break through tackles, juggle tipped passes, and dive for interceptions to lead your team to victory. Features a fully moddable environment. Football Simulator is a early access, mod and sports game developed and published by Refactor Games. Released on June 08th 2022 has received 739 reviews of which 585 were positive and 154 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #5 spot among the most played mod games.
7.5
585
154
18
players
6. Dystopia
Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace. Dystopia is a free to play, multiplayer and action game developed by Puny Human and published by . Released on February 06th 2009 has received 1,089 reviews of which 925 were positive and 164 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #6 spot among the most played mod games.
8.1
925
164
3
players
7. Prospekt
Prospekt begins in the Nova Prospekt prison in the Half-Life universe. Gordon Freeman is slowly being overrun by soldiers in the prison, however unknown to him, his Vortigaunt allies manage to find some help from a forgotten hero. Prospekt is a action, fps and singleplayer game developed and published by SCT. Released on February 18th 2016 has received 1,629 reviews of which 1,009 were positive and 620 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #7 spot among the most played mod games.
6.1
1,009
620
Free mod games on Steam
Check out this fantastic list of free-to-play mod games you can enjoy on Steam right now, updated on June 14th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play mod games.
1. Dystopia
Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace. Dystopia is a free to play, multiplayer and action game developed by Puny Human and published by . Released on February 06th 2009 has received 1,089 reviews of which 925 were positive and 164 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #1 spot among the most played free mod games on Steam.
8.1
925
164
3
players