Games like Nelumbra
Games like Nelumbra include Vampire Survivors, Megabonk, Brotato, 20 Minutes Till Dawn, and Halls of Torment. We matched them by the tags players give Nelumbra on Steam (Action Roguelike, Pixel Graphics, Bullet Hell, Singleplayer, and Survival): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelike
Brotato
Shared: Action Roguelike · Bullet Hell · Singleplayer
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Survival
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
BALL x PIT
Shared: Bullet Hell · Action Roguelike · Roguelite
Death Must Die
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Yet Another Zombie Survivors
Shared: Action Roguelike · Top-Down Shooter · Singleplayer
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Roguelike
Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Roguelike
Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Boneraiser Minions
Shared: Action Roguelike · Pixel Graphics · Bullet Hell
Hades
Shared: Action Roguelike · Roguelite · Singleplayer
Noobs Want to Live
Shared: Bullet Hell · Pixel Graphics · Action Roguelike
Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · Roguelike
Rocket Rats
Shared: Action Roguelike · Pixel Graphics · Bullet Hell
Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelike
Rogue Legacy
Shared: Action Roguelike · Roguelike · Singleplayer
Atomicrops
Shared: Bullet Hell · Pixel Graphics · Action Roguelike
Hero Siege
Shared: Pixel Graphics · Action Roguelike · Roguelike
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite
Dead Cells
Shared: Action Roguelike · Pixel Graphics · Roguelike
Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter