Games like Devastation - Annihilate the Alien Race
Games like Devastation - Annihilate the Alien Race include Vampire Survivors, Planes, Bullets and Vodka, Bit Blaster XL, Cyberhunt, and LUFTRAUSERS. We matched them by the tags players give Devastation - Annihilate the Alien Race on Steam (Action, Indie, Casual, Bullet Hell, and Score Attack): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Indie · Casual

Planes, Bullets and Vodka
Shared: Action · Casual · Bullet Hell

Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Action

Cyberhunt
Shared: Action · Indie · Casual

LUFTRAUSERS
Shared: Indie · Action · Bullet Hell

Geometry Wars: Retro Evolved
Shared: Casual · Arcade · Bullet Hell

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Indie

Star Saviors
Shared: Action · Indie · Bullet Hell

ZeroRanger
Shared: Indie · Action · Bullet Hell

Revolution Ace
Shared: Action · Indie · Shoot 'Em Up

Windowkill
Shared: Action · Indie · Bullet Hell

Timberman
Shared: Casual · Indie · Action

Megabonk
Shared: Indie · Bullet Hell · Action

Ikaruga
Shared: Bullet Hell · Action · Shoot 'Em Up

Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up

Exit the Gungeon
Shared: Indie · Action · Arcade

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Action · Bullet Hell · Indie

BALL x PIT
Shared: Action · Bullet Hell · Arcade

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

Sky Force Reloaded
Shared: Bullet Hell · Shoot 'Em Up · Action

Chicken Invaders 5
Shared: Action · Indie · Casual

Waves
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Distant Space
Shared: Indie · Shoot 'Em Up · Action