Games like Hex Master
Games like Hex Master include Vampire Survivors, Megabonk, Project Lazarus, Goobies, and Crab Champions. We matched them by the tags players give Hex Master on Steam (Action, Casual, Strategy, Action Roguelike, and Arcade): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Casual

Megabonk
Shared: Action Roguelike · Action · Bullet Hell

Project Lazarus
Shared: Action · Action Roguelike · Casual

Goobies
Shared: Action Roguelike · Casual · Action

Crab Champions
Shared: Action Roguelike · Arcade · Casual

Nova Drift
Shared: Action Roguelike · Arcade · Bullet Hell

BALL x PIT
Shared: Action · Arcade · Action Roguelike

Brotato
Shared: Action Roguelike · Bullet Hell · Arena Shooter

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Casual

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

Astro Prospector
Shared: Casual · Action Roguelike · Bullet Hell

Octogeddon
Shared: Action · Action Roguelike · Casual

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

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

Bloodshed
Shared: Action · Action Roguelike · Boomer Shooter

SHOOPER NOVA
Shared: Strategy · Casual · Action

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

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

Windowkill
Shared: Action · Action Roguelike · Arcade

Pass the Fear
Shared: Action Roguelike · Action · Strategy

Retrowave
Shared: Casual · Action · 1980s

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Casual

UFO 50
Shared: Action · Strategy · Arcade

MARVEL Tōkon: Fighting Souls
Shared: Action · Casual · Arcade