Single-player games like Survivors of the Mare Vitalis
Below are 8 single-player Steam games similar to Survivors of the Mare Vitalis, 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 Survivors of the Mare Vitalis page.
Ranked picks
- 1

Reality Core
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
Blast through chaotic dungeons and unleash powerful weapons as you journey through the multiverse in search of a way home. Dodge, loot, and survive against deadly foes, extracting hard-won treasures to repair your ship and make it back!
- 2

Madville+
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
Madville+ is a rogue-lite / arena shooter with ridiculous upgrades. It is designed to have short play sessions (30-40 min) and replayability.
- 3

Cyberscape
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
Cyberscape is a top down round based action game with some rougelike elements. Play as different heroes with unique abilities and fight against the evil robot army. Level up and complete achievements to unlock new items and fight your way through different locations.
- 4

Angelstruck
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
Angelstruck is a 2D roguelite shooter where you demolish the forces of Heaven as you attempt to reach the pearly gates. Overcharge your holy rifle, and min-max your way into insane game-breaking builds. Unlock permanent capabilities and powerful screen-destroying weapons that feed on kills.
- 5

Crab Champions
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
Claw your way across exotic islands combining fluid movement with fast paced combat to become a Crab Champion in this third person roguelike shooter.
- 6

Roboquest
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
Roboquest is a fast FPS Roguelite in a scorched futureworld. You're a rebooted Guardian, ready to kick some metal ass! Fight with your buddy or by yourself and annihilate hordes of deadly bots in ever-changing environments.
- 7

Genome Guardian
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action and Indie with Survivors of the Mare Vitalis.
COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!
- 8

Void Scrappers
Single-player alternative to Survivors of the Mare Vitalis — playable solo, no multiplayer required. Shares Action with Survivors of the Mare Vitalis.
Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Unlock new characters and weapons and upgrade your stats between runs.