Games like Nebula's Descent
Games like Nebula's Descent include Vampire Survivors, Megabonk, Enter the Gungeon, Soulstone Survivors, and Rogue: Genesia. We matched them by the tags players give Nebula's Descent on Steam (Action Roguelike, Twin Stick Shooter, Bullet Hell, Roguelite, and Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

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

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Roguelite

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike

Voidigo
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell

Roboquest
Shared: Action Roguelike · Roguelite · Shooter

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

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

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

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

SYNTHETIK: Legion Rising
Shared: Roguelite · Action Roguelike · Twin Stick Shooter

Atomicrops
Shared: Bullet Hell · Action Roguelike · Roguelike

Hades
Shared: Action Roguelike · Roguelite · Roguelike

The Spell Brigade
Shared: Bullet Hell · Roguelite · Action Roguelike

Dead Estate
Shared: Action Roguelike · Twin Stick Shooter · Roguelike

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

Pass the Fear
Shared: Action Roguelike · Roguelite · Bullet Hell

Blazing Beaks
Shared: Action Roguelike · Roguelite · Roguelike

Star of Providence
Shared: Action Roguelike · Bullet Hell · Roguelite