Games like Escape from the Cosmic Abyss
Games like Escape from the Cosmic Abyss include Orbt XL, pureya, Timberman, Ding Dong XL, and Vampire Survivors. We matched them by the tags players give Escape from the Cosmic Abyss on Steam (Runner, Casual, Arcade, Score Attack, and Side Scroller): closest matches first, and among equally close ones the better-known games.

Orbt XL
Shared: Arcade · Casual · Score Attack

pureya
Shared: Casual · Arcade · Side Scroller

Timberman
Shared: Casual · Arcade · Indie

Ding Dong XL
Shared: Runner · Arcade · Casual

Vampire Survivors
Shared: Casual · Arcade · 2D

ALTF4
Shared: Runner · Arcade · Casual

WAVESHAPER
Shared: Casual · Runner · Score Attack

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

StrikeForce Kitty
Shared: Arcade · Runner · Casual

MARVEL Tōkon: Fighting Souls
Shared: Casual · Arcade · Action

Among Us
Shared: Space · Casual · Cartoony

Serious Sam: Kamikaze Attack!
Shared: Runner · Arcade · Side Scroller

Streets of Rage 4
Shared: Arcade · Side Scroller · 2D

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Side Scroller · Arcade · Casual

PAC-MAN™ Championship Edition DX+
Shared: Arcade · Score Attack · Casual

Hextech Mayhem: A League of Legends Story™
Shared: Runner · Cartoony · Arcade

Cyberhunt
Shared: Casual · Arcade · Indie

Bit Blaster XL
Shared: Arcade · Casual · 2D

Dino Run DX
Shared: Arcade · Runner · Side Scroller

Sixtar Gate: STARTRAIL
Shared: Casual · Arcade · Action

BEHEMOTH
Shared: Casual · Side Scroller · Arcade

Supercow
Shared: Casual · Arcade · Runner

Thank Goodness You're Here!
Shared: Casual · Hand-drawn · Side Scroller

Turbo Pug
Shared: Casual · Runner · Side Scroller