Games like Genesis Survivors
Games like Genesis Survivors include Vampire Survivors, Megabonk, Brotato, Hades, and Death Must Die. We matched them by the tags players give Genesis Survivors on Steam (Action Roguelike, Bullet Hell, 3D, Mechs, and Cyberpunk): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Indie

Megabonk
Shared: Action Roguelike · Bullet Hell · Indie

Brotato
Shared: Bullet Hell · Action Roguelike · Singleplayer

Hades
Shared: Action Roguelike · Indie · Action

Death Must Die
Shared: Action Roguelike · Bullet Hell · Action

Project Lazarus
Shared: Action Roguelike · Bullet Hell · Action

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Combat

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Action

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action

Crab Champions
Shared: Action Roguelike · 3D · Bullet Hell

Goobies
Shared: Action Roguelike · Bullet Hell · 3D

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Action

Hades II
Shared: Action Roguelike · Action · Indie

UBERMOSH
Shared: Cyberpunk · Action · Indie

Yet Another Zombie Survivors
Shared: Action Roguelike · Indie · Arcade

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Indie

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Indie

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Action

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Mechs · Action · 3D

UBERMOSH:BLACK
Shared: Bullet Hell · Indie · Action Roguelike

Windowkill
Shared: Action Roguelike · Bullet Hell · Indie

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Action

Brigador: Up-Armored Edition
Shared: Mechs · Action · Cyberpunk

Vital Shell
Shared: Action Roguelike · Mechs · Bullet Hell