Single-player games like Crazy Invader ShootEm Down
Below are 11 single-player Steam games similar to Crazy Invader ShootEm Down, 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 Crazy Invader ShootEm Down page.
Ranked picks
- 1
Gates of Zendocon
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action with Crazy Invader ShootEm Down.
In this classic side-scrolling shoot-em-up, originally published in 1989 for the Atari Lynx handheld console, take on the role of a starship pilot trapped in a web of 51 interconnected hostile universes by the evil spider Zendocon.
- 2
Alien Decimation
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
Destroy waves of UFOs in a arcade style space shooter with an array of powerful weaponry.
- 3
Netherspace
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.
- 4
Martian Invaders
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
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.
- 5
White Eyes
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
Embark on an interstellar race as the universe collapses. Swing swords, fire projectiles, and reflect hazards to save nomads. 60 challenging missions. Random encounters. Simple mouse controls. Conquer diverse hazards. Will you guide them home?
- 6
Cosmic Cruiser
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action with Crazy Invader ShootEm Down.
In this unique shooter from 1984. take on the role of a pilot of an out-dated Cosmic Cruiser, fighting to rescue the crew of a distant space station that had been captured by a raiding party from the sinister Rallom Empire.
- 7
Stop the Saturnians!
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action with Crazy Invader ShootEm Down.
Stop the Saturnians is a shooter inspired by classic arcade games. Dodge enemy fire, destroy procedurally generated alien waves and fight massive bosses. Collect resources in the midst of combat to upgrade your ship or improve Earth's defenses. Protect yourself and the planet both!
- 8
Gastro Force
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
The player takes the role of the last soldier of the highly specialized "Gastro Force", elite troopers trained to infiltrate the enormous alien guts to fight them from the inside!
- 9
Boing
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
"Boing" redefines retro space shooters with its potent weaponry. Defend, attack, and level up as you twist through challenges. Endless fun for all!
- 10
Jump Malcolm Jump
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
Embark on a jump-filled odyssey in "Jump Malcolm Jump," a 3D platformer that blends arcade excitement with daring dashes. Collect Energy Orbs across stunning worlds and dash past obstacles. Casual fun meets high-flying action!
- 11
Tunnel Assault
Single-player alternative to Crazy Invader ShootEm Down — playable solo, no multiplayer required. Shares Action and Indie with Crazy Invader ShootEm Down.
Pilot your spaceship through unyielding tunnels, dodging obstacles, and unleashing dual lasers in this procedurally generated, fast-paced adventure. Unlock new ships and upgrade your arsenal as you advance, race against time, and emerge as the ultimate tunnel ace 🚀🌠