Best Co-op Games Under $20

The 25 highest-rated co-op games you can get for under $20, ranked by Steam reviews, with the cheapest key across 21 stores.

  1. #198% of 201,377 Steam reviews
    Schedule I game key cover art

    Schedule I

    $19.99 -21%
    $15.67
    difmark & 13 stores
    2025
    SimulationCrimeCo-op
    Steam98%
    Achieve13
    Deckplatinum
  2. #298% of 171,151 Steam reviews
    Deep Rock Galactic game key cover art

    Deep Rock Galactic

    $29.99 -72%
    $8.10
    green man gaming & 43 stores
    2020
    DwarvesCo-opPvE
    Steam98%
    Achieve69
    Deckplatinum
  3. #398% of 233,158 Steam reviews
    Left 4 Dead 2 game key cover art

    Left 4 Dead 2

    $9.99 -22%
    $7.79
    difmark & 11 stores
    2009
    ZombiesCo-opFPS
    Steam98%
    Achieve101
    Deckgold
  4. #497% of 276,534 Steam reviews
    Lethal Company game key cover art

    Lethal Company

    $9.99 -21%
    $7.84
    difmark & 7 stores
    2023
    Online Co-OpHorrorFirst-Person
    Steam97%
    Deckplatinum
  5. #597% of 138,726 Steam reviews
    R.E.P.O. game key cover art

    R.E.P.O.

    $9.99 -35%
    $6.49
    steam & 6 stores
    2025
    HorrorOnline Co-OpMultiplayer
    Steam97%
    Deckplatinum
  6. #697% of 46,314 Steam reviews
    Castle Crashers game key cover art

    Castle Crashers

    $14.99 -21%
    $11.80
    gamivo & 9 stores
    2012
    2DOnline Co-OpCo-op
    Steam97%
    Achieve12
    Deckplatinum
  7. #798% of 8,118 Steam reviews
    Keep Talking and Nobody Explodes game key cover art

    Keep Talking and Nobody Explodes

    $14.99 -70%
    $4.48
    driffle & 20 stores
    2015
    Co-opPuzzleLocal Multiplayer
    Steam98%
    Achieve10
    Deckgold
  8. #897% of 23,643 Steam reviews
    BattleBlock Theater game key cover art

    BattleBlock Theater

    $14.99 -60%
    $5.95
    gamivo & 10 stores
    2014
    Co-opPlatformerFunny
    Steam97%
    Achieve30
    Deckgold
  9. #998% of 7,360 Steam reviews
    Rabbit & Steel game key cover art

    Rabbit & Steel

    $14.99 -71%
    $4.32
    driffle & 15 stores
    2024
    Co-opBullet HellAction Roguelike
    Steam98%
    Achieve54
    Deckplatinum
  10. #1096% of 66,141 Steam reviews
    Cuphead game key cover art

    Cuphead

    $19.99 -54%
    $9.09
    driffle & 27 stores
    2017
    DifficultCartoonCo-op
    Steam96%
    Achieve42
    Deckplatinum
  11. #1196% of 144,450 Steam reviews
    Peak game key cover art

    Peak

    $7.99 -63%
    $2.91
    difmark & 14 stores
    2025
    MultiplayerOnline Co-OpCo-op
    Steam96%
    Achieve64
    Deckplatinum
  12. #1297% of 20,561 Steam reviews
    Broforce game key cover art

    Broforce

    $14.99 -84%
    $2.39
    loaded & 21 stores
    2015
    ActionPixel GraphicsCo-op
    Steam97%
    Achieve17
    Deckplatinum
  13. #1395% of 163,526 Steam reviews
    Risk of Rain 2 game key cover art

    Risk of Rain 2

    $24.99 -79%
    $5.05
    driffle & 28 stores
    2020
    Third-Person ShooterAction RoguelikeMultiplayer
    Steam95%
    Achieve205
    Deckplatinum
  14. #1497% of 14,624 Steam reviews
    LEGO Star Wars: The Complete Saga game key cover art

    LEGO Star Wars: The Complete Saga

    $19.99 -3%
    $19.24
    driffle & 16 stores
    2009
    Local Co-OpCo-opAdventure
    Steam97%
    Deckplatinum
  15. #1596% of 37,709 Steam reviews
    Planet Crafter game key cover art

    Planet Crafter

    $23.99 -41%
    $14.09
    gamivo & 4 stores
    2024
    Base BuildingOpen World Survival CraftSurvival
    Steam96%
    Achieve55
    Deckgold
  16. #1695% of 82,194 Steam reviews
    Don't Starve Together game key cover art

    Don't Starve Together

    $14.99 -92%
    $1.15
    GameSeal & 27 stores
    2016
    SurvivalOpen World Survival CraftMultiplayer
    Steam95%
    Deckgold
  17. #1796% of 36,728 Steam reviews
    Gunfire Reborn game key cover art

    Gunfire Reborn

    $19.99 -54%
    $9.14
    driffle & 18 stores
    2021
    RogueliteRoguelikeFPS
    Steam96%
    Achieve134
    Deckgold
  18. #1896% of 21,816 Steam reviews
    Killing Floor game key cover art

    Killing Floor

    $19.99 -90%
    $1.85
    gamivo & 24 stores
    2009
    FPSZombiesCo-op
    Steam96%
    Achieve285
    Deckplatinum
  19. #1996% of 12,368 Steam reviews
    PlateUp! game key cover art

    PlateUp!

    $19.99 -92%
    $1.59
    k4g & 27 stores
    2022
    Co-opManagementCooking
    Steam96%
    Achieve26
    Deckgold
  20. #2096% of 28,755 Steam reviews
    How to Fish game key cover art

    How to Fish

    $7.99 -24%
    $6.02
    difmark & 4 stores
    2026
    MultiplayerOnline Co-OpCo-op
    Steam96%
    Achieve31
  21. #2197% of 9,740 Steam reviews
    Waterpark Simulator game key cover art

    Waterpark Simulator

    $12.99
    steam
    2026
    SimulationMultiplayerManagement
    Steam97%
    Achieve71
    Deckplatinum
  22. #2295% of 359,511 Steam reviews
    Phasmophobia game key cover art

    Phasmophobia

    $19.99 -34%
    $13.05
    gamivo & 8 stores
    2020
    HorrorOnline Co-OpMultiplayer
    Steam95%
    Achieve54
    Deckgold
  23. #2396% of 10,302 Steam reviews
    Untitled Goose Game game key cover art

    Untitled Goose Game

    $19.99 -1%
    $19.77
    g2a & 6 stores
    2019
    FunnyVillain ProtagonistMultiplayer
    Steam96%
    Achieve25
    Deckplatinum
  24. #2495% of 28,791 Steam reviews
    Barotrauma game key cover art

    Barotrauma

    $34.99 -76%
    $8.37
    driffle & 25 stores
    2023
    Co-opMultiplayerSurvival
    Steam95%
    Achieve76
    Deckplatinum
  25. #2596% of 20,237 Steam reviews
    Left 4 Dead game key cover art

    Left 4 Dead

    $9.99 -3%
    $9.60
    gamivo & 11 stores
    2008
    ZombiesCo-opMultiplayer
    Steam96%
    Achieve73
    Deckgold
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