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Best Mod Games

Top 41 of 41 qualifying games — tagged Mod (community voting), 1,000+ reviews · ranked by Wilson lower bound on Steam review score · review data as of 2026-05-20.

1 STAR WARS Empire at War - Gold Pack (2010) Strategy · RTS · Space · 1M–2M owners · $19.99 97.6%39,435 reviews 2 Rusted Warfare - RTS (2017) RTS · Strategy · Base-Building · 200K–500K owners · $4.99 96.7%6,241 reviews 3 CarX Drift Racing Online (2017) Racing · Physics · Simulation · 2M–5M owners · $16.99 95.3%83,416 reviews 4 Black Mesa (2020) FPS · Remake · Action · 2M–5M owners · $19.99 95.2%127,693 reviews 5 Company of Heroes (2006) Strategy · World War II · RTS · 1M–2M owners · $19.99 94.4%16,971 reviews 6 Transmissions: Element 120 (2016) Free to Play · Action · Shooter · 500K–1M owners · Free 94.5%9,805 reviews 7 Cities: Skylines (2015) City Builder · Simulation · Building · 10M–20M owners · $29.99 93.0%275,770 reviews 8 Car Mechanic Simulator 2015 (2015) Automobile Sim · Simulation · Singleplayer · 500K–1M owners · $19.99 92.4%14,572 reviews 9 Farming Simulator 15 (2014) Farming Sim · Automobile Sim · Simulation · 1M–2M owners · $12.99 92.3%15,436 reviews 10 EMERGENCY 4 Deluxe (2018) Simulation · Strategy · Mod · 200K–500K owners · $17.99 93.0%1,855 reviews 11 Just Cause 2: Multiplayer Mod (2013) Open World · Multiplayer · Action · 2M–5M owners · Free 91.6%14,804 reviews 12 Fistful of Frags (2014) PvP · Arena Shooter · FPS · 2M–5M owners · Free 91.4%36,262 reviews 13 MudRunner (2017) Offroad · Simulation · Automobile Sim · 1M–2M owners · $19.99 91.1%37,696 reviews 14 Bloons TD Battles (2016) Free to Play · Tower Defense · Multiplayer · 1M–2M owners · Free 90.8%29,096 reviews 15 Half-Life 2: Deathmatch (2004) Action · FPS · Multiplayer · 10M–20M owners · $19.99 90.7%14,296 reviews 16 Transport Fever 2 (2019) Simulation · Strategy · Management · 1M–2M owners · $39.99 90.3%27,627 reviews 17 No More Room in Hell (2013) Free to Play · Zombies · Multiplayer · 5M–10M owners · Free 89.9%74,253 reviews 18 Men of War (2009) Strategy · World War II · RTS · 500K–1M owners · $0.74 90.1%3,618 reviews 19 Cry of Fear (2013) Horror · Free to Play · Multiplayer · 5M–10M owners · Free 88.5%74,408 reviews 20 BLEACH Brave Souls (2020) Free to Play · Anime · RPG · 1M–2M owners · Free 88.6%11,884 reviews 21 Pirates, Vikings, and Knights II (2010) Free to Play · Multiplayer · Action · 1M–2M owners · Free 87.7%5,957 reviews 22 Talvisota - Winter War (2020) Action · Massively Multiplayer · Simulation · 200K–500K owners · Free 88.4%1,082 reviews 23 Team Fortress Classic (1999) Action · FPS · Multiplayer · 1M–2M owners · $4.99 87.0%8,738 reviews 24 Skater XL - The Ultimate Skateboarding Game (2020) Skateboarding · Skating · Multiplayer · 1M–2M owners · $39.99 85.9%19,469 reviews 25 Codename CURE (2017) Zombies · Shooter · Free to Play · 2M–5M owners · Free 84.7%16,478 reviews 26 Zombie Panic! Source (2008) Free to Play · Zombies · Multiplayer · 500K–1M owners · Free 84.7%7,726 reviews 27 Dystopia (2009) Free to Play · Multiplayer · Action · 100K–200K owners · Free 84.9%1,089 reviews 28 EMERGENCY 20 (2017) Strategy · Simulation · Multiplayer · 200K–500K owners · $29.99 84.1%2,012 reviews 29 Construction Simulator 2015 (2014) Simulation · Building · Multiplayer · 500K–1M owners · $14.99 82.2%6,771 reviews 30 Bus Simulator 18 (2018) Simulation · Automobile Sim · Driving · 500K–1M owners · $14.99 81.2%13,137 reviews 31 Just Cause 3: Multiplayer Mod (2017) Action · Massively Multiplayer · Open World · 200K–500K owners · Free 78.2%2,658 reviews 32 Notruf 112 | Emergency Call 112 (2016) Simulation · Realistic · Multiplayer · 500K–1M owners · $7.49 76.5%4,334 reviews 33 CPUCores :: Maximize Your FPS (2015) Utilities · Software · Gaming · 500K–1M owners · $16.99 71.4%11,911 reviews 34 Bus Simulator 16 (2016) Simulation · Automobile Sim · Driving · 500K–1M owners · $9.99 70.8%3,708 reviews 35 Counter-Strike Nexon: Studio (2014) Free to Play · FPS · Zombies · 5M–10M owners · Free 66.4%42,702 reviews 36 Prospekt (2016) Action · FPS · Singleplayer · 100K–200K owners · $5.99 61.9%1,629 reviews 37 The Forgotten Ones (2014) Horror · Free to Play · Adventure · 200K–500K owners · Free 60.6%1,634 reviews 38 Hammerting (2021) Colony Sim · Base-Building · Simulation · 200K–500K owners · $24.99 57.5%2,518 reviews 39 Cities: Skylines II (2023) City Builder · Simulation · Building · 2M–5M owners · $34.99 52.6%73,524 reviews 40 Argo (2017) Free to Play · Shooter · FPS · 2M–5M owners · Free 51.4%10,925 reviews 41 Mod and Play (2020) Indie · Massively Multiplayer · Sandbox · 100K–200K owners · $2.99 43.0%1,641 reviews