Single-player games like Cosmica
Below are 8 single-player Steam games similar to Cosmica, 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 Cosmica page.
Ranked picks
- 1

The Last Team 最后的小队
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmica.
This is a Roguelike card building strategy game. There are 9 heroes, nearly 600 cards, and 180+ relics for you to choose from. Now is the time to form your 3-person team, the time for the decisive battle has come!
- 2

For The Warp
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmica.
A roguelike deckbuilding game in space! Explore randomly generated systems, enemies and strange encounters. Build your deck, survive and reach For The Warp gate!
- 3

Cobalt Core
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmica.
A sci-fi roguelike deckbuilder with a deep new single-axis spin on tactics games! Dodge missiles, line up your cannons, and blast 'em out of the sky... Then get to the bottom of these time loops, before it's too late!
- 4

Galaxy Squad
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy with Cosmica.
Galaxy squad is a hardcore turn-based tactical roguelike, inspired by FTL and XCOM.
- 5

Deep Sky Derelicts
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmica.
Deep Sky Derelicts is an original combination of turn-based strategy and RPG, enriched with tactical card combat and popular roguelike elements. Explore derelict alien ships, fight, loot and upgrade your gear, all in distinctive retro-futuristic comic book aesthetic style.
- 6

Relapse
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy with Cosmica.
A 3D deck building roguelike game. Collect over 240 abilities; level them up, enchant them, pair them up with over 100 trinkets, and synergize them with your companions' abilities to create endless combinations to defeat your foes.
- 7

Clonizer
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmica.
Clonizer combines Hex-based tactics and roguelike deckbuilding! Play cards, manage clones, explore unique charming planets and outsmart aliens. Craft a powerful deck through your expedition and Clonize the universe to become employee of the month of CLONPO!
- 8

Circadian Dice
Single-player alternative to Cosmica — playable solo, no multiplayer required. Shares Strategy with Cosmica.
Circadian Dice is a game inspired by single-player deck-building games, but instead of upgrading a deck, you build up a set of dice! Use 10 different heroes and 60 game-warping relics to take on 13 hand-crafted scenarios, in runs that take 10-30 minutes. Lots of secrets and unlocks to discover!