Games like Outnumbered
Games like Outnumbered include Vampire Survivors, Megabonk, 20 Minutes Till Dawn, BALL x PIT, and Apocalypse Party. We matched them by the tags players give Outnumbered on Steam (Casual, Action, Bullet Hell, Action Roguelike, and Indie): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Roguelite
Megabonk
Shared: Action Roguelike · Bullet Hell · Indie
20 Minutes Till Dawn
Shared: Bullet Hell · Action Roguelike · Roguelite
BALL x PIT
Shared: Action · Bullet Hell · Roguelite
Apocalypse Party
Shared: Casual · Action Roguelike · Bullet Hell
Goobies
Shared: Action Roguelike · Bullet Hell · Casual
Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite
Hades
Shared: Action Roguelike · Action · Roguelite
Brotato
Shared: Bullet Hell · Action Roguelike · Singleplayer
Yet Another Zombie Survivors
Shared: Action Roguelike · Indie · Roguelite
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite
Planes, Bullets and Vodka
Shared: Casual · Action · Bullet Hell
Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Death Must Die
Shared: Bullet Hell · Action Roguelike · Roguelite
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite
Nuclear Throne
Shared: Action Roguelike · Indie · Bullet Hell
Boneraiser Minions
Shared: Bullet Hell · Action Roguelike · Roguelite
Time Wasters
Shared: Bullet Hell · Action Roguelike · Roguelite
Rocket Rats
Shared: Casual · Action Roguelike · Bullet Hell
Bit Blaster XL
Shared: Bullet Hell · Action · Shoot 'Em Up
The Spell Brigade
Shared: Bullet Hell · Roguelite · Action Roguelike
Star of Providence
Shared: Bullet Hell · Action Roguelike · Roguelite
SNKRX
Shared: Action Roguelike · Roguelite · Shoot 'Em Up
SYNTHETIK: Legion Rising
Shared: Action · Indie · Roguelite