Single-player games like Alien Space Bastards
Below are 16 single-player Steam games similar to Alien Space Bastards, 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 Alien Space Bastards page.
Ranked picks
- 1
Space Waves
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Space Waves is a procedurally generated 2D arcade style shooter with multiple collectable power ups and varying enemy types. This game will casually draw you in and then increase the pace and difficulty as you progress through the never ending levels.
- 2
Astro Fighters
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Astro Fighters is a tough old school vertical scrolling bullet hell shooter designed to test your skills with non-stop arcade style action. Fight against large bosses at the end of every level and compete for the high score across 4 difficulty modes to be the best fighter pilot in the game.
- 3
Eagles of World War 2
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
A fantasy based arcade shooter set in World War 2 with frantic bullet hell shooter style gameplay and a bullet time slo motion mechanic. Take on the enemy forces solo or with a friend either in local co-op or online with STEAM's remote play together.
- 4
Crush The Rebellion!
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
The galactic empire is under siege from the rebel scum in all directions! Fight through endless waves of rebel ships using all of the weapons and resources at your disposal as you execute your sole orders: to Crush The Rebellion!
- 5
Neon Invaders
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Neon Invaders will take you back to your gaming roots with its constant action and relentlessly brutal enemies. Absorb enemy shots of the same colour to trigger a flurry of fire to decimate the alien invaders. Dodge and Match your way to victory through 40 levels and 5 difficulty settings.
- 6
DoDonPachi Resurrection Reignite
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
CAVE's arcade bullet hell shooter returns as DoDonPachi Resurrection Reignite. New stages, a new character, new music, and other new elements set the stage for a new challenge.
- 7
Energy Fighters
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
A modern retro inspired side scrolling shooter with a deep upgrade system and the ability to absorb enemy fire and also deflect it back to your enemies. A fast paced shooter that can be played solo or local co-op with 12 difficulty modes and lots of boss battles.
- 8
Planet Killer
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.
- 9
Snowman Saves Christmas
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Snowman Saves Christmas is a 1980s Inspired 2D platformer. Featuring 250 Levels of retro inspired platforming fun split across 5 game modes and Multiple PowerUp items.
- 10
Power Ball 2021
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Power Ball 2021 is here to provide block busting, ball bouncing, gun shooting action for 1 or 2 players. Inspired by great bat and ball games of the past with powerups thrown in to help you defeat the increasingly challenging levels.
- 11
Retro Wars
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Take on an entire army in this 80s inspired retro top down vertical scrolling shooter. Be a one man war machine or take a friend into battle for some fun 2 player local co-op.
- 12
Astro Fighters 2178
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Battle through 16 action-packed levels, defeat massive alien bosses, unlock powerful ship upgrades, and fight to save humanity in this retro-inspired side-scrolling arcade shooter. Play solo or team up with a friend in local co-op.
- 13
Asteroid Blasters
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Asteroid Blasters is a non-stop action space shooter. Inspired by Asteroids, this game will see you choose between 6 different ships each with their own characteristics and utilize a variety of weapon powerups to eradicate your enemies. Play 2 players to increase your chance of survival.
- 14
Super Hot Potato
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
A self aware Super Hot Potato is on a quest to free his fellow potato kind from their imminent doom. Help Super Hot Potato navigate treacherous screens filled with obstacles, collecting potato's and finally making your way to each screens exit. Retro inspired 80s style grid movement gameplay
- 15
Freddy Frog
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Leap, climb, and survive in this endless arcade platformer. Collect flies, avoid dangerous wasps, conquer procedurally generated levels, and climb as high as possible while chasing the ultimate high score.
- 16
Wings Of WW2
Single-player alternative to Alien Space Bastards — playable solo, no multiplayer required. Shares Action with Alien Space Bastards.
Take to the skies in this action-packed WWII arcade flight combat game. Engage enemy fighters, complete critical missions, and fight for control of the battlefield.