Best Submarine Games Under $20

The 19 highest-rated submarine games you can get for under $20, ranked by Steam reviews, with the cheapest key across 21 stores.

  1. #195% 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
  2. #292% of 8,472 Steam reviews
    Iron Lung game key cover art

    Iron Lung

    $7.99 -89%
    $0.84
    kinguin & 10 stores
    2022
    HorrorAtmosphericPsychological Horror
    Steam92%
    Achieve7
    Deckplatinum
  3. #394% of 926 Steam reviews
    IronWolf VR game key cover art

    IronWolf VR

    $19.99
    steam & 2 stores
    2022
    Co-opSubmarineSimulation
    Steam94%
    Deckgold
  4. #495% of 196 Steam reviews
    Crash Dive 2 game key cover art

    Crash Dive 2

    $11.99
    steam & 1 store
    2021
    SimulationTacticalSubmarine
    Steam95%
    Achieve69
    Deckplatinum
  5. #597% of 104 Steam reviews
    Silent Shark game key cover art

    Silent Shark

    $17.99 -72%
    $4.92
    kinguin & 3 stores
    2026
    SubmarineSimulationWorld War II
    Steam97%
    Achieve32
  6. #696% of 111 Steam reviews
    Full Metal Coffin game key cover art

    Full Metal Coffin

    $4.99
    steam
    2026
    SimulationCo-opMultiplayer
    Steam96%
    Achieve5
  7. #787% of 1,492 Steam reviews
    Silent Hunter III game key cover art

    Silent Hunter III

    $9.99
    steam & 1 store
    2005
    Naval CombatSimulationSubmarine
    Steam87%
    Deckgold
  8. #885% of 11,736 Steam reviews
    UBoat game key cover art

    UBoat

    $29.99 -79%
    $6.25
    driffle & 24 stores
    2024
    SimulationWorld War IISubmarine
    Steam85%
    Achieve51
    Deckgold
  9. #992% of 156 Steam reviews
    Crash Dive game key cover art

    Crash Dive

    $3.99
    steam & 2 stores
    2015
    Naval CombatSubmarineSimulation
    Steam92%
    Achieve32
    Deckplatinum
  10. #1086% of 707 Steam reviews
    Aquarium Designer game key cover art

    Aquarium Designer

    $9.99 -89%
    $1.05
    kinguin & 21 stores
    2021
    UnderwaterRelaxingFamily Friendly
    Steam86%
    Achieve30
    Deckplatinum
  11. #1193% of 67 Steam reviews
    Depths of Sanity game key cover art

    Depths of Sanity

    $14.99 -27%
    $10.92
    kinguin & 5 stores
    2022
    MetroidvaniaUnderwaterLovecraftian
    Steam93%
    Achieve26
    Deckplatinum
  12. #1284% of 313 Steam reviews
    There's Nothing Down There game key cover art

    There's Nothing Down There

    $2.00 -19%
    Historic Low $1.60
    steam
    2026
    HorrorSubmarineAdventure
    Steam84%
    Achieve7
  13. #1390% of 58 Steam reviews
    The Oily Depths game key cover art

    The Oily Depths

    $2.99 -30%
    Historic Low $2.09
    steam
    2026
    Psychological HorrorAtmosphericShort
    Steam90%
    Achieve8
  14. #1486% of 131 Steam reviews
    The Trench game key cover art

    The Trench

    $3.99
    steam
    2022
    HorrorSubmarineUnderwater
    Steam86%
    Deckpending
  15. #1582% of 584 Steam reviews
    Darkwater game key cover art

    Darkwater

    $9.99 -78%
    $2.19
    kinguin & 15 stores
    2026
    Online Co-OpHorrorSurvival
    Steam82%
    Achieve14
    Deckpending
  16. #1681% of 152 Steam reviews
    688(I) Hunter/Killer game key cover art

    688(I) Hunter/Killer

    $9.99 -87%
    $1.24
    difmark & 11 stores
    1997
    StrategyNaval CombatSimulation
    Steam81%
    Deckbronze
  17. #1777% of 230 Steam reviews
    Dangerous Waters game key cover art

    Dangerous Waters

    $14.99 -92%
    $1.17
    k4g & 16 stores
    2005
    StrategyNaval CombatSimulation
    Steam77%
    Deckplatinum
  18. #1872% of 731 Steam reviews
    Silent Hunter 4: Wolves of the Pacific game key cover art

    Silent Hunter 4: Wolves of the Pacific

    $9.99
    steam & 1 store
    2007
    SimulationSubmarineWorld War II
    Steam72%
    Deckgold
  19. #1972% of 93 Steam reviews
    Sub Command game key cover art

    Sub Command

    $9.99 -87%
    $1.20
    k4g & 11 stores
    2001
    StrategySimulationNaval Combat
    Steam72%
    Deckplatinum
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