Games like Paper Nebula
Games like Paper Nebula include BALL x PIT, Vampire Survivors, Nova Drift, Bit Blaster XL, and Sky Force Reloaded. We matched them by the tags players give Paper Nebula on Steam (Arcade, Space, 2D, Bullet Hell, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.
BALL x PIT
Shared: Arcade · Bullet Hell · Roguelike
Vampire Survivors
Shared: Bullet Hell · 2D · Arcade
Nova Drift
Shared: Arcade · Bullet Hell · Shoot 'Em Up
Bit Blaster XL
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Sky Force Reloaded
Shared: Arcade · Bullet Hell · Shoot 'Em Up
Bot Vice
Shared: Bullet Hell · Top-Down Shooter · Arcade
Star Saviors
Shared: Bullet Hell · Space · Shoot 'Em Up
DoDonPachi Resurrection
Shared: Arcade · Top-Down Shooter · Bullet Hell
Cyberhunt
Shared: Arcade · Shoot 'Em Up · 2D
Planes, Bullets and Vodka
Shared: Arcade · Bullet Hell · Shoot 'Em Up
Slime 3K: Rise Against Despot
Shared: Bullet Hell · 2D · Roguelike
ZeroRanger
Shared: Bullet Hell · Shoot 'Em Up · Arcade
Enter the Gungeon
Shared: Bullet Hell · Roguelike · 2D
Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Arcade
LUFTRAUSERS
Shared: Arcade · Bullet Hell · 2D
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Female Protagonist
Halls of Torment
Shared: Bullet Hell · Arcade · Roguelike
Beat Hazard
Shared: Bullet Hell · 2D · Space
BLUE REVOLVER
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Chippy
Shared: Bullet Hell · Arcade · Top-Down Shooter
Brotato
Shared: Bullet Hell · Roguelike · Arcade
Deep Rock Galactic: Survivor
Shared: Bullet Hell · Top-Down Shooter · Arcade
Super Bit Blaster XL
Shared: Arcade · Bullet Hell · 2D
Nuclear Throne
Shared: Roguelike · Bullet Hell · Top-Down Shooter