Games like RANDOMAX
Games like RANDOMAX include BALL x PIT, Vampire Survivors, Nova Drift, 20 Minutes Till Dawn, and Slime 3K: Rise Against Despot. We matched them by the tags players give RANDOMAX on Steam (Shoot 'Em Up, Top-Down Shooter, Bullet Hell, Roguelite, and Visual Novel): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Roguelite · Bullet Hell · Shoot 'Em Up

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

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

20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Roguelite

Slime 3K: Rise Against Despot
Shared: Bullet Hell · Roguelite · Shoot 'Em Up

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

Halls of Torment
Shared: Bullet Hell · Roguelite · Roguelike

Nuclear Throne
Shared: Bullet Hell · Roguelike · Top-Down Shooter

Megabonk
Shared: Roguelite · Bullet Hell · Roguelike

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Roguelite

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

Voidigo
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

Brotato
Shared: Bullet Hell · Roguelike · Roguelite

I Am Legion: Stand Survivors
Shared: Bullet Hell · Shoot 'Em Up · Roguelite

Turnip Boy Robs a Bank
Shared: Shoot 'Em Up · Top-Down Shooter · Roguelite

Deep Rock Galactic: Survivor
Shared: Roguelite · Bullet Hell · Top-Down Shooter

Greedland
Shared: Shoot 'Em Up · Roguelite · Bullet Hell

Bot Vice
Shared: Top-Down Shooter · Shoot 'Em Up · Bullet Hell

SNKRX
Shared: Top-Down Shooter · Roguelite · Shoot 'Em Up

The Spell Brigade
Shared: Bullet Hell · Roguelite · Top-Down Shooter

Yet Another Zombie Survivors
Shared: Top-Down Shooter · Roguelite · Arcade

Apocalypse Party
Shared: Top-Down Shooter · Bullet Hell · Shoot 'Em Up

Time Wasters
Shared: Bullet Hell · Shoot 'Em Up · Roguelite

Enter the Gungeon
Shared: Bullet Hell · Roguelike · Indie