Zombie Panic! Source

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We filtered the 46 games similar to Zombie Panic! Source down to the 23 that fit the “Online” category. Gotham City Impostors Free to Play, Team Fortress 2 and Tower Unite top the list, ranked by affinity and similarity score to Zombie Panic! Source.

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GenreShooterSubgenreFPS

Tags

DarkCasualMultiplayerCo-op

Year 2008Dev Zombie Panic Team

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Quick answer

Within the “Online” category, the closest game to Zombie Panic! Source is Gotham City Impostors Free to Play — scoring 97/100 on our similarity scale. Team Fortress 2 and Tower Unite follow close behind.

#1Gotham City Impostors Free to Play97 #2Team Fortress 295 #3Tower Unite94 #4theHunter Classic94 #5Left 4 Dead 292

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The best online games like Zombie Panic! Source

23 similar games foundUpdated July 2026

Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Zombie Panic! Source. Each one has been evaluated across 16 real attributes — from combat style and progression mechanics to world structure and visual perspective — so every recommendation is based on how the game actually plays, not just its genre label.

#1Gotham City Impostors Free to Play

97

Gotham City Impostors Free to Play

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineRangedMeleeFirst PersonFree to Play

Steam👍 86%· 12KRAWG👍 32%· 168IGDB73· 7

Year 2012Dev Monolith Productions · Warner Bros. InteractivePlaytime ~2hOn PC · PS · Xbox

✓ Fits the first-person shooters cluster, with shooter, first-person shooting and ranged combat

≠ Its own twist: skill tree progression, while skipping adventure storytelling

#2Team Fortress 2

95

Team Fortress 2

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineMeleeRangedFirst PersonFree to Play

Steam👍 91%· 1.2MRAWG👍 66%· 2.9KMC92IGDB80· 1

Year 2007Dev Valve Software · ValvePlaytime ~8hOn PC · Apple Macintosh · Linux

✓ Fits the first-person shooters cluster, with shooter, first-person shooting and melee combat

≠ Its own twist: PvP competition, skill tree progression and crafting mechanics, while skipping adventure storytelling

94

Tower Unite

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineMeleeRangedCasualDarkHorrorFirst Person

Steam👍 90%· 22KRAWG👍 69%· 60

Year 2016Dev PixelTail GamesPlaytime ~7hOn PC

✓ Both are first-person shooters — sharing shooter, first-person shooting and adventure storytelling

≠ Its own twist: racing gameplay, deep simulation and card game strategy, while skipping survival mechanics

#4theHunter Classic

94

theHunter Classic

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineRangedMeleeFirst PersonFree to Play

Steam👍 59%· 44KRAWG👍 25%· 117IGDB67· 3

Year 2014Dev Avalanche Studios · Expansive WorldsPlaytime ~1hOn PC

✓ Both are first-person shooters — sharing shooter, first-person shooting and adventure storytelling

≠ Stands apart with sports simulation, deep simulation and open world exploration, while skipping horror tension

#5Left 4 Dead 2

92

Left 4 Dead 2

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineRangedMeleeDarkHorrorFirst Person

Steam👍 98%· 1.0MRAWG👍 85%· 3.4KMC89IGDB89· 5

Year 2009Dev Valve Software · Electronic ArtsPlaytime ~9hOn PC · Xbox · Apple Macintosh

✓ Same family of first-person shooters: shooter, first-person shooting and survival mechanics

≠ Stands apart with single-player focus, while skipping adventure storytelling

#6Killing Floor

92

Killing Floor

GenreShooterSubgenreFPS

Co-opMultiplayerOnlineRangedMeleeDarkHorrorSci-FiFirst Person

Steam👍 95%· 69KRAWG👍 59%· 856MC72IGDB68· 5

Year 2009Dev Tripwire InteractivePlaytime ~5hOn PC · Apple Macintosh · Linux

✓ Both are first-person shooters — sharing shooter, first-person shooting and survival mechanics

≠ Stands apart with strong narrative focus, post-apocalyptic world and single-player focus, while skipping adventure storytelling

91

World War Z

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineMeleeRangedDarkHorrorFirst Person

Steam👍 83%· 31KIGDB74· 12OC71· 129

Year 2019Dev Saber Interactive · Focus EntertainmentOn PS4 · PC · Xbox

✓ Both are first-person shooters — sharing shooter, first-person shooting and adventure storytelling

≠ Its own twist: third-person shooting, post-apocalyptic world and single-player focus, while skipping vibe casual

Steam Epic Xbox

91

Sanctum

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineRangedMeleeCasualSci-FiFirst Person

Steam👍 89%· 3.3KRAWG👍 56%· 190MC70IGDB70· 1

Year 2011Dev Coffee Stain StudiosPlaytime ~2hOn PC · Apple Macintosh

✓ Same family of first-person shooters: shooter, first-person shooting and vibe casual

≠ Where it differs: brings tower defense planning and single-player focus, while skipping adventure storytelling

91

Left 4 Dead

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineMeleeRangedDarkHorrorFirst Person

Steam👍 96%· 67KRAWG👍 87%· 1.7KMC89IGDB85· 7

Year 2008Dev Valve Software · Electronic ArtsPlaytime ~5hOn PC · Xbox · Apple Macintosh

✓ Fits the first-person shooters cluster, with shooter, first-person shooting and survival mechanics

≠ Stands apart with strong narrative focus, post-apocalyptic world and single-player focus, while skipping adventure storytelling

90

Fallout 76

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineDarkSci-FiHorrorFirst Person

Steam👍 72%· 138KIGDB51· 14OC54· 149

Year 2018Dev Bethesda Game Studios · Bethesda SoftworksOn Xbox · PS4 · PC

✓ Both are first-person shooters — sharing shooter, first-person shooting and survival mechanics

≠ Stands apart with deep RPG systems, strong narrative focus and open world exploration, while skipping adventure storytelling

90

Rust

GenreShooterSubgenreFPS

MultiplayerCo-opOnlineMeleeRangedFirst Person

Steam👍 87%· 1.4MRAWG👍 52%· 864MC66IGDB78· 4OC67· 29

Year 2018Dev Facepunch StudiosPlaytime ~15hOn PC · PS · Xbox

✓ Both are first-person shooters — sharing shooter, first-person shooting and survival mechanics

≠ Where it differs: brings deep RPG systems, sandbox freedom and sandbox world, while skipping horror tension

89

F.E.A.R. 3

GenreShooterSubgenreFPS

Co-opMultiplayerOnlineMeleeDarkHorrorSci-FiFirst Person

Steam👍 71%· 14KIGDB76· 5

Year 2011Dev Day 1 Studios · WB GamesOn PlayStation 3 · PC

✓ Both are first-person shooters — sharing shooter, first-person shooting and horror tension

≠ Where it differs: brings strong narrative focus and single-player focus, while skipping survival mechanics

#13Stick Fight: The Game

89

Stick Fight: The Game

GenreShooterSubgenreFPS

MultiplayerOnlineCo-opMeleeRangedCasual

Steam👍 93%· 125KRAWG👍 79%· 389

Year 2017Dev LandfallPlaytime ~3hOn PC · iOS · Android

✓ Fits the first-person shooters cluster, with shooter, first-person shooting and vibe casual

≠ Where it differs: brings fighting mechanics, deep simulation and offline, while skipping adventure storytelling

#14Lost Planet 2

89

Lost Planet 2

GenreShooterSubgenreFPS

Co-opMultiplayerOnlineMeleeSci-Fi

Steam👍 66%· 3.0KIGDB71· 6

Year 2010Dev CapcomOn PlayStation 3 · Linux · PC

✓ Same family of first-person shooters: shooter, first-person shooting and adventure storytelling

≠ Where it differs: brings third-person shooting, single-player focus and skill tree progression, while skipping survival mechanics

#15Real Pool 3D - Poolians

88

Real Pool 3D - Poolians

GenreShooterSubgenreFPS

MultiplayerOnlineCo-opRangedMeleeCasualHorrorFirst PersonFree to Play

Steam👍 76%· 19K

Year 2017Dev Poolians.comPlaytime ~1hOn PC

✓ Both are first-person shooters — sharing shooter, first-person shooting and horror tension

≠ Its own twist: sports simulation, deep simulation and vibe relaxing, while skipping adventure storytelling

Complete list of online games like Zombie Panic! Source

The full catalog of games sharing gameplay DNA with Zombie Panic! Source, ordered from highest to lowest similarity score. Use the filters above to narrow down by genre, setting or game mode and find the alternative that best fits your playstyle.

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Shotgun Farmers

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Serious Sam HD: The Second Encounter

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Superfighters Deluxe

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Aliens: Colonial Marines

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