Games like Soldier Rush
Games like Soldier Rush include Vampire Survivors, Brotato, Deep Rock Galactic: Survivor, Enter the Gungeon, and Megabonk. We matched them by the tags players give Soldier Rush on Steam (Incremental, Bullet Hell, Top-Down, Arena Shooter, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · 2D

Brotato
Shared: Bullet Hell · Action Roguelike · Singleplayer

Deep Rock Galactic: Survivor
Shared: Bullet Hell · Action Roguelike · Top-Down

Enter the Gungeon
Shared: Bullet Hell · Action Roguelike · Top-Down

Megabonk
Shared: Action Roguelike · Bullet Hell · Action

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

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

Nova Drift
Shared: Bullet Hell · Action Roguelike · Arena Shooter

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action

Astro Prospector
Shared: Incremental · Bullet Hell · Action Roguelike

Rocket Rats
Shared: Bullet Hell · Action Roguelike · Action

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

FatalZone
Shared: Bullet Hell · Action Roguelike · Arena Shooter

The Binding of Isaac
Shared: Action Roguelike · Top-Down · Action

Skul: The Hero Slayer
Shared: Action Roguelike · Action · 2D

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

Noobs Want to Live
Shared: Bullet Hell · Action · Action Roguelike

Glyphica: Typing Survival
Shared: Bullet Hell · Arena Shooter · Action Roguelike

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Hell · Action Roguelike · Top-Down

Time Wasters
Shared: Bullet Hell · Action Roguelike · Arena Shooter

Boneraiser Minions
Shared: Bullet Hell · Action Roguelike · 2D

Hades
Shared: Action Roguelike · Action · Singleplayer

Arms of God
Shared: Bullet Hell · Action Roguelike · Arena Shooter

Magicraft
Shared: Bullet Hell · Action Roguelike · Top-Down