Single-player games like NAUTUS
Below are 10 single-player Steam games similar to NAUTUS, 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 NAUTUS page.
Ranked picks
- 1
Sonorous | Deep Down Below
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Indie with NAUTUS.
SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.
- 2
Lunar Impact
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Indie and Adventure with NAUTUS.
Go to the Moon to explore its harsh nature and mysterious anomalies. Build your own lunar base, craft equipment, extract valuable resources and make many discoveries. Overcome the challenges of extreme lunar conditions, an oxygen-free atmosphere and much more unknown...
- 3
World In The Abyss
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Adventure with NAUTUS.
The aliens have caused the oceans to rise, plunging the world into the abyss. Survive, craft, and explore this mysterious underwater world. Build your base, defend it against relentless waves of enemies, and dive deep to uncover the secret that could stop the alien invasion once and for all!
- 4
Sea Warden
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Indie with NAUTUS.
Sea Warden is a co-op survival adventure set on the back of Ao, a giant sea turtle journeying across a shattered world. Build, craft, explore, and defend your living base as you travel between forgotten islands in search of lost knowledge and stranded souls.
- 5
Leaforia
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Indie and Casual with NAUTUS.
Run your own farm, craft unique items, and battle your way to success. Pay off your debt to the city, befriend the locals, and maybe even find true love. Raise animals, train your loyal dog, and ride across the land on horseback.
- 6
Rinthine
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Indie with NAUTUS.
Brave the depths of an ever-changing labyrinth in search of secrets, treasures—or simply a place to call home.
- 7
Habitat Toxica
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Indie with NAUTUS.
In Habitat Toxica, a mysterious virus mutates animals into hostile creatures, pushing them toward extinction. As one of the few chimpanzees who gained intelligence from the infection, you must fight for survival and save the remaining wildlife.
- 8
Project Castaway
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Adventure with NAUTUS.
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
- 9
Have a Nice Death
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Indie with NAUTUS.
Have a Nice Death is a 2D action roguelike where you play as an overworked Death, whose employees have run rampant, completely throwing off the balance of souls - and his vacation plans. In order to restore order, you'll have to grab your trusty scythe and show your employees who's boss.
- 10
Unruly Heroes
Single-player alternative to NAUTUS — playable solo, no multiplayer required. Shares Action and Indie with NAUTUS.
LET'S KUNG FU THEM ALL! Play solo or co-op and take control of four unlikely heroes that battle a diverse lineup of enemies, show off your Kung-Fu skills and journey west across stunning different environments in order to hunt for the scattered remnants of the Sacred Scroll.