Games like OUMUAMUA
Use quick reflexes and sharp aim to simultaneously blow up enemies and block alike in this satisfying retro style action brick breaker! The third installment in the Game Buddy series that faithfully recreates the look, sounds, and feel of classic late 80's handheld games!

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Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
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Martian Invaders
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.
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Hyper Bullet
Hyper Bullet is a top-down action game replenished with agreeable vaporwave aesthetics, pure joy of combat and gunplay rhythm.
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2nd Shot
In the vast depths of space, lies a man with a dark past. Setting himself apart from that old life, and seeking justice against wrongdoing instead of being the cause of it, Captain Righteous uses the Freedom Fighter, his trusty space fighter to search for and combat the evil Captain Buster!
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Phrenetic Shooting Reunion
[CONTENTS] A playable shooting game "PHRENETIC SHOOTING REUNION" + All future updates/bug fixes. Phrenetic Shooting is a retro tasted shooting game. This game provides an exciting experience for retro 2D shooting game funs.
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Cosmic Cruiser
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.
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Distant Space
Distant Space are present the arcade game of cosmic fights in arcade style of the 80's, this is a game where you can control the spaceship and forced to destroy extraterrestrials, which are moving in the certain order.
- 8

THUNDER STRIKER
Blast your way through enemy territory and level up your versatile arsenal of high-tech weapons in this handheld game style retro shmup!
More from RETSUZAN
Other recommendable Steam games by RETSUZAN, ranked by review count so the studio's hits land first.
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CHAM THE CAT ADVENTURE
Jump, punch, and whip enemies as you guide Cham the Cat through her action packed treasure hunt in this retro action platformer!
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THUNDER STRIKER
Blast your way through enemy territory and level up your versatile arsenal of high-tech weapons in this handheld game style retro shmup!
- 4

RUMBLE DRAGON
Hit the streets and pummel baddies in this classic handheld game inspired Beat 'Em Up! Fight solo or double up with a friend for local co-op!
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ツクールシリーズ アルティエクエスト [RTA QUEST]
An RPG drawn in nostalgic pixel art has appeared!Three girls set out on a journey to catch up with their hero.Get your equipment in town and prepare for powerful enemies.Dreams and adventures await you!Only Japanese is supported.Other languages are not included.
Frequently asked about OUMUAMUA
- How much does OUMUAMUA cost?
- OUMUAMUA is listed on Steam at 1.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to OUMUAMUA?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside OUMUAMUA are Martian Invaders, Hyper Bullet, 2nd Shot.
- Who developed OUMUAMUA?
- OUMUAMUA was developed by RETSUZAN and published by Henteko Doujin.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on OUMUAMUA.
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