Codex Gamicus

War on the Sea is a strategy simulation game developed and published by Killerfish Games. It was released on Steam for Microsoft Windows and the Macintosh on February 2, 2021.


In War on the Sea, the player commands ships, submarines and aircraft in the South Pacific theater during World War II, the time in which the game is set on. In that time, the Empire of Japan has expanded throughout the Pacific Ocean where Allied forces attempt to halt its spread and a desperate struggle for control of the Solomon Islands is now underway.


  • Real time naval combat
  • Theatrical external-view game play
  • Play as Allied Forces or Imperial Japan
  • Over 50 classes of playable ships
  • Dynamic campaign
  • Tactical control of aircraft (not a flight simulator)
  • Fight fires, counter flood compartments and repair ships
  • Sink ships using realistic buoyancy physics
  • Historical missions based on actual naval engagements

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