Single-player games like Cosmos Kitten
Below are 11 single-player Steam games similar to Cosmos Kitten, 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 Cosmos Kitten page.
Ranked picks
- 1

Chrome Survivor
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
In this bullet heaven roguelite combine weapons into powerful evolutions, collect items to enhance your runs, equip and craft powerful cybernetic augments that change the way you play. Can you complete a 9 modded nightmare difficulty run and become John Cyberpunk?
- 2

Castleborne Survivors
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
A survivors-like game with side-scrolling action combat. Slash, dodge, and mow down endless monsters in a gothic horror castle. Upgrade with every choice, snowball out of control, and survive until the very end.
- 3

Royal Revolt Survivors
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
Unleash chaos in an electrifying 1-4 player co-op where survival and action-roguelite collide! Battle through relentless enemy hordes with a powerful mix of melee and ranged combat, navigating varied and dynamic environments.
- 4

I'm No Demonlord
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
"I'm No Demonlord" is a Roguelike shooter bullet hell game. High freedom in mechanics leads to unique playthroughs. As a demon-possessed hero, battle enemies, grow, and unveil dark schemes. Can he accept his new role? Save "kinds" or destroy "outsiders"? Good or evil? The choice is yours.
- 5

Cosmic Tails
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
Become the Cat Bounty Hunter. Blast off through deep space as you decimate hordes of space creatures with bounties on their heads. Upgrade unique cat-themed abilities, unlock pulverizing weapons, and survive until your contract expires -- or join the ranks of fallen bounty hunters before you.
- 6

God, Save the Queens!
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
You are God. The king’s five daughters have been taken. Fight thousands of enemies, unlock powerful skills, and crush the evil wizard Zaharad in this brutal 2.5D roguelike!
- 7

Tiny Bomber
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action and Indie with Cosmos Kitten.
Survive the countdown in a fast-paced vertical bullet-hell roguelite. Collect coins to extend your run, graze bullets to trigger aircraft-specific boosts, build wild upgrade combos, and push toward the final boss.
- 8

ARCADE LOOP: ROGUELIKE
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Indie with Cosmos Kitten.
Dive into ARCADE LOOP, a massive, ever-expanding collection of classic and modern arcade simulations. Featuring deep meta-progression, unlockable characters, powerful relics, weapons, bosses and a dynamic scaling system that keeps every run fresh.
- 9

Classic Solitaire
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Casual with Cosmos Kitten.
Play classic Solitaire card games! Experience the fun and strategy of sequencing cards in different game types. Use helpful features, including undo and hints. Play casually at your leisure or beat your best time in the fewest possible moves.
- 10

Simple Sudoku
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Casual with Cosmos Kitten.
Play the classic puzzle game of Sudoku with difficulty levels, achievements, custom colors, and daily puzzles! Use notes to rule out options and undo to backtrack just like on pencil and paper. Play casually or beat your highest score by completing the puzzle in the quickest time.
- 11

Cry from the Abyss
Single-player alternative to Cosmos Kitten — playable solo, no multiplayer required. Shares Action with Cosmos Kitten.
Fight through the monstrosities from the abyss with fast-paced physics combat using light. Experience thrilling first-person shooter action and obtain powerful upgrades to survive in this horror roguelite.