Single-player games like The King of the Oceans
Below are 8 single-player Steam games similar to The King of the Oceans, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like The King of the Oceans page.
Ranked picks
- 1
Warships On The Halloween Night
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie and Casual with The King of the Oceans.
Warships On The Halloween Night is an extreme Top Down Arcade Shooter game based on the naval war which broke out between the Human beings and the Living Pumpkins.
- 2
Proxy Air Force
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie and Casual with The King of the Oceans.
Proxy Air Force is a 2D Arcade Shoot Them Up game based on the story of the world war which broke out between the US and CES countries in 2020.
- 3
Red Horizon
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie and Casual with The King of the Oceans.
Red Horizon is an addictive space shmup game. Heavily influenced by the classics of the past, Red Horizon takes a modern spin on the genre combining it with some subtle Rogue-like elements to provide players with a unique experience every time they play.
- 4
Zumbido Seele
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie and Casual with The King of the Oceans.
Indie arcade FPS singleplayer shooter where you fight against hordes of monsters and explore the map in search of equipment.
- 5
One Pixel
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie and Casual with The King of the Oceans.
2D platform game with minimalist pixel art graphics, create platforms and shoot a lot to defeat an army with more than 1,000 monsters. The game was made for people who like a challenge and don't mind dying several times.
- 6
Syder Arcade
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie with The King of the Oceans.
Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.
- 7
Dementium: The Ward
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie with The King of the Oceans.
Classic DS horror reborn. Awaken in an abandoned hospital with no memory, no escape and unspeakable horrors lurking in the dark. The horror classic Dementium: The Ward returns, enhanced for 4K display and Steam Deck Verified, where every shadow hides a new threat, and every corridor a new nightmare.
- 8
Meteorite Defense Command
Single-player alternative to The King of the Oceans — playable solo, no multiplayer required. Shares Indie and Casual with The King of the Oceans.
Meteorite Defense Command is a fun, color-full and fast game, inspired by the classical coin-operated arcade games of the golden era.