Games like BOXHEAD:Immortal
Games like BOXHEAD:Immortal include Gunfire Reborn, Yet Another Zombie Survivors, 20 Minutes Till Dawn, SYNTHETIK: Legion Rising, and Apocalypse Party. We matched them by the tags players give BOXHEAD:Immortal on Steam (Top-Down Shooter, Shoot 'Em Up, Roguelite, Shooter, and Action RPG): closest matches first, and among equally close ones the better-known games.

Gunfire Reborn
Shared: Roguelite · Roguelike · Online Co-Op

Yet Another Zombie Survivors
Shared: Top-Down Shooter · Roguelite · Singleplayer

20 Minutes Till Dawn
Shared: Roguelite · Shoot 'Em Up · Top-Down Shooter

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Roguelite · Shooter

Apocalypse Party
Shared: Top-Down Shooter · Singleplayer · Roguelite

Brotato
Shared: Singleplayer · Roguelike · Roguelite

The Ascent
Shared: Top-Down Shooter · Shooter · RPG

Hades
Shared: Roguelite · Singleplayer · Roguelike

BALL x PIT
Shared: Roguelite · Shoot 'Em Up · Top-Down Shooter

ELDEN RING NIGHTREIGN
Shared: Singleplayer · Online Co-Op · Roguelite

Hades II
Shared: Roguelite · Roguelike · Action RPG

Wolcen: Lords of Mayhem
Shared: Action RPG · Singleplayer · RPG

Warframe
Shared: Action RPG · RPG · Online Co-Op

Sky Force Reloaded
Shared: Shoot 'Em Up · Top-Down Shooter · Local Co-Op

Ship of Fools
Shared: Roguelite · Top-Down Shooter · Local Co-Op

The Last Stand: Aftermath
Shared: Top-Down Shooter · Roguelite · Shooter

Nova Drift
Shared: Shoot 'Em Up · Roguelite · Action RPG

Children of Morta
Shared: Roguelite · Roguelike · Online Co-Op

Vampire Survivors
Shared: Roguelite · Singleplayer · Roguelike

Bounty of One
Shared: Top-Down Shooter · RPG · Roguelite

SNKRX
Shared: Roguelite · Top-Down Shooter · Shoot 'Em Up

Soulstone Survivors
Shared: Roguelite · Action RPG · RPG

Escape From Duckov
Shared: Top-Down Shooter · Shooter · Adventure

Nuclear Throne
Shared: Top-Down Shooter · Roguelite · Roguelike