Single-player games like Block of Rum
Below are 12 single-player Steam games similar to Block of Rum, 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 Block of Rum page.
Ranked picks
- 1

Waters of Ragnarök
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Indie with Block of Rum.
Waters of Ragnarök is a tactical naval survival game set after the Norse apocalypse. Navigate cursed seas, explore the lands, scavenge the massive corpses of Jötunns, and lead your crew through tactical battles against survivors and monsters in this Norse survival exploration game.
- 2

King of Seas
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Indie with Block of Rum.
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!
- 3

Corsairs Legacy - Pirate Action RPG & Sea Battles
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Adventure with Block of Rum.
Get ready for ‘Corsairs Legacy’. It’s an open-world adventure in the Caribbean, the historical pirate life simulator. Sail the sea, fight the enemies, and explore islands. Will you rise to become a legendary pirate or meet your end at the hands of your enemies? The choice is yours.
- 4

The Last Leviathan
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Indie with Block of Rum.
The Last Leviathan is a physics-based, ship building and destruction sandbox. On your voyage to uncover where The Last Leviathan lies you will discover a world full of rival ships, mythical monsters, wrecked flotsam, physics-puzzles and hidden treasures.
- 5

Sea Dogs: Caribbean Tales
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action with Block of Rum.
Sail the rough seas with your tall ship and loyal crew of vicious cutthroats and fierce corsairs. Build up your fleet and capture and rule colonies to become the mightiest pirate of them all! Sea Dogs: Caribbean Tales is a naval game devoted to pirate adventures on the Caribbean seas of the 17th century, aiming to be the ultimate pirate...
- 6

Shipped
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Indie with Block of Rum.
Challenge your friends in a naval battle of steering, pushing and shooting. Keep your ship on-screen and avoid crashing with land to survive. Up to 8 players. Or tackle the single-player challenges alone!
- 7

The Pirate: Caribbean Hunt
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Indie with Block of Rum.
Hail to the Captain! Sail into the heart of the Caribbean in the Age of Piracy - the time of black flags and white skulls, blue waves and golden opportunities. Hoist the Jolly Roger and grab the steering wheel to sail through battles and raids, ransoms and treasures, to become the Crimson King of the Antilles!
- 8

Feral Blue
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Adventure with Block of Rum.
The old world has drowned after the Second Flood. Now, only few survivors are fighting for the new gold - clean water, wood and soil. Become a ship's captain, keep your crew alive and create your sea empire!
- 9

Mount & Blade
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Indie with Block of Rum.
Calradia is a land at war, offering great riches and even greater dangers to adventurers and mercenaries that flock to shed their blood on its soil. With courage and a strong sword, an unknown stranger can make a name as a warrior. Free-form sand-box gameplay.
- 10

Dwarf Fortress
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Indie with Block of Rum.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
- 11

Encounter of Galaxies
Single-player alternative to Block of Rum — playable solo, no multiplayer required. Shares Action and Indie with Block of Rum.
Encounter of Galaxies is a vertical scrolling shooter with an open world and elements of trade.
- 12

Donjon Defense
Single-player alternative to Block of Rum — playable solo, no multiplayer required.
Donjon Defense is a game in the genre of tower defense. In this case, defense of the castle, consisting of... only one tower. Build walls, hire different warriors, resist attacks. Build a real fortress, hardened in countless assaults.