Games like King of Pickaxe
Games like King of Pickaxe include Vampire Survivors, BALL x PIT, Death Must Die, Hades II, and Hades. We matched them by the tags players give King of Pickaxe on Steam (Action, Casual, Simulation, Hack and Slash, and Point & Click): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Casual · Roguelite

BALL x PIT
Shared: Action · Bullet Hell · Roguelite

Death Must Die
Shared: Bullet Hell · Action · Hack and Slash

Hades II
Shared: Action · Hack and Slash · Roguelike

Hades
Shared: Hack and Slash · Action · Roguelite

Megabonk
Shared: Action · Roguelike · Bullet Hell

Brotato
Shared: Bullet Hell · Roguelike · Hack and Slash

Halls of Torment
Shared: Bullet Hell · Action · Roguelite

Rocket Rats
Shared: Casual · Bullet Hell · Action

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

Tower of Babel: Survivors of Chaos
Shared: Action · Bullet Hell · Hack and Slash

Skul: The Hero Slayer
Shared: Action · Roguelike · Roguelite

Asgard's Fall — Viking Survivors
Shared: Casual · Bullet Hell · Hack and Slash

Astro Prospector
Shared: Casual · Roguelike · Bullet Hell

Book of Yog Idle RPG
Shared: Simulation · Hack and Slash · Casual

Apocalypse Party
Shared: Casual · Bullet Hell · Top-Down Shooter

Nuclear Throne
Shared: Action · Roguelike · Bullet Hell

Soulstone Survivors
Shared: Bullet Hell · Action · Hack and Slash

Maniac
Shared: Simulation · Action · Top-Down Shooter

Dead Cells
Shared: Roguelike · Hack and Slash · Action

Blazing Beaks
Shared: Action · Roguelike · Top-Down Shooter

Noobs Are Coming
Shared: Action · Bullet Hell · Roguelite

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

Army of Ruin
Shared: Bullet Hell · Hack and Slash · Top-Down Shooter