Single-player games like Cloudsea
Below are 9 single-player Steam games similar to Cloudsea, 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 Cloudsea page.
Ranked picks
- 1

Terror of the Seven Seas
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Adventure with Cloudsea.
Become a Mighty Captain in a Age of sail naval combat game, set in all of the Seven Seas! Sail the entire world: conquering, boarding, plundering, exploring and trading along the way! Gather your crew, ready your ship, hoist your sails and enter a world of swashbuckling and piracy!
- 2

Ys X: Nordics
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Adventure with Cloudsea.
Explore uncharted islands, engage in fast-paced action combat, and experience the high seas adventures of unlikely allies Adol and Karja in Ys X: Nordics!
- 3

Tempest: Pirate Action RPG
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Indie with Cloudsea.
Tempest is a Pirate Open World Action RPG where you rove the seas across three continents filled with dozens of colonies and forts, hundreds of quests and countless ships to plunder. Customize your ship, trade, challenge fellow pirates and face mythical monsters such as the Kraken and Leviathan!
- 4

Cat Quest III
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Indie with Cloudsea.
In Cat Quest III you play as a purrivateer in a freely explorable 2.5D open-world swarming with Pi-rats. You can sail the seas in your ship for treasures galore! But prepare for peril, as the Pirate King aims to hunt you down...
- 5

Skull and Bones
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and RPG with Cloudsea.
Skull and Bones is an open world naval action RPG where ship combat, build choice, and sailing skill define your pirate legend. Conquer rival ships and mythical beasts in a vast ocean of up to 20 players.
- 6

Arcane Waters
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Indie with Cloudsea.
Arcane Waters is an open world pixel pirate adventure. Fight other pirates, monsters and players! When you need a break, tend to your farm, craft new equipment, or trade in distant lands. The choice is yours in this vast piratey world.
- 7

Salt
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Indie with Cloudsea.
Salt is an open world exploration game where you sail from island to island looking for loot and new discoveries! Relax and explore at your own pace, picking a direction and setting sail across a vast ocean filled with quests, merchants, ruins, pirates, and other mysterious places.
- 8

King of Seas
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Action and Indie with Cloudsea.
King of Seas is an ARPG adventure game set in a nautical pirate world. Embark on an epic adventure across the seven seas where you’ll discover lost islands and treasures, fight rival pirates and menacing monsters, and become the most legendary pirate of all time!
- 9

Mahjong Worlds
Single-player alternative to Cloudsea — playable solo, no multiplayer required. Shares Indie with Cloudsea.
Mahjong Worlds is a recreation of the classic mahjong solitaire in the 3D. The game features classic and 3D levels (formations) in beautiful and relaxing scenes.