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

Dwarf Star
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
Dwarf Star: 16 bit inspired game where mercenary go shoot shoot on evil alien guys who were accidentally fabricated by the government. Top down space shooter with a mission based structure. However, you can do these missions in plenty of different orders with different amounts of upgrades.
- 2

Arcadia
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action with Zenvader.
In this highly addictive top-down arcade shoot-em-up from 1982, originally for the ZX Spectrum, defend yourself from wave upon wave of deadly alien combatants using your Ion Thrust Drive and dual Plasma Disruptors.
- 3

Lober Lobe
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
Shoot psychic orbs, collect useful thoughts, upgrade your Probe with speed, maneuverability, satellites, resistance and suppress negative thoughts in this Brain centric, procedurally generated bullet hell shoot 'em up.
- 4

Space Pew Pew
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
Aboard your ship, destroy the hordes of aliens attacking you by choosing your weapons and upgrades as you play, and defeat the final boss! In this roguelite, each ship has a different weapon layout, giving each one its own unique playstyle. Then create your ship and develop your own strategy!
- 5

Storm Mined
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
Inspired by the cult classic Mine Storm, Storm Mined modernizes arcade space shooting with rogue-lite upgrades and rhythm-based stages.
- 6

Martian Invaders
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.
- 7

Astro Attack
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
A single-stick arcade shoot 'em up inspired by the golden years of retro gaming. Blast to the synthwave beat to combine powerups and destroy waves of invaders. Complete missions, compete on leaderboards, discover secrets, and unlock over 80 unique ships from every era of gaming.
- 8

AST-Hero
Single-player alternative to Zenvader — playable solo, no multiplayer required. Shares Action and Indie with Zenvader.
Fight for survival in this top-down shoot ‘em up in space, featuring unique hand-drawn visuals and sounds. It offers a challenging experience that is easy to learn, but difficult to master.