Single-player games like Cosmic Shell
Below are 8 single-player Steam games similar to Cosmic Shell, 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 Cosmic Shell page.
Ranked picks
- 1
Starlight: Eye of the Storm
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action with Cosmic Shell.
SHOOT 'EM UP!Starlight: Eye of The Storm is a 2D Vertical SHMUP set in a 3D background. Unleash your special powers, upgrade your weapons! Take on 10 Arcade stages or 15 Campaign missions! Drift (auto-pivot mode) behind your enemies and take them on with style!
- 2
Astro Fighters 3
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action with Cosmic Shell.
The aliens have returned. Fight through relentless waves of enemies, dodge impossible bullet patterns, unleash devastating special weapons, and unlock 70 powerful cards that reshape future runs in this action-packed arcade shoot 'em up.
- 3
Meteor Storm
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action with Cosmic Shell.
Welcome back to 1996! This shared screen space shooter is the perfect 4-player competitive game for some casual fun!
- 4
Merkava: The Sacred Armour of Meirav
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action with Cosmic Shell.
Save the world from Dinah's threat by defeating angels, demons, beasts, and aliens.
- 5
Rock 'N Roll: G.E.O.S. Wars
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action with Cosmic Shell.
Rock 'N Roll G.E.O.S. Wars is a completely new dimension of the original Rock 'N Roll game. In this game, players can work together to vanquish the space rocks that threaten Earth... or they can choose to face each other in a wide variety of duel modes!
- 6
MIHASHIRA
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action with Cosmic Shell.
A 2D top-down arena shooter. A freely scrolling shooter. Pixel graphics reminiscent of the SNES. Easy to control with the directional pad, two shot buttons, and a bomb button. Make full use of your two shots to smash through enemies.
- 7
Squid Commando
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Shell.
Squid Commando is an action-packed, classic arcade run & gun game that can be played solo or in co-op.
- 8
WAVECADE
Single-player alternative to Cosmic Shell — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Shell.
WAVECADE is a sci-fi, arcade-style #shmup where YOU control the speed of the game. Destroy blocks, minions and bosses in style as you collect powerups and avoid hazards. How far can you go?