Games like Hero and Monster
Games like Hero and Monster include Balatro, Vampire Survivors, Legend Creatures(传奇生物), Luck be a Landlord, and Into the Breach. We matched them by the tags players give Hero and Monster on Steam (Auto Battler, Strategy, Singleplayer, Pixel Graphics, and Roguelite): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Singleplayer · Strategy · Pixel Graphics

Vampire Survivors
Shared: Pixel Graphics · Roguelite · Singleplayer

Legend Creatures(传奇生物)
Shared: Auto Battler · Roguelite · Strategy

Luck be a Landlord
Shared: Strategy · Roguelite · Pixel Graphics

Into the Breach
Shared: Strategy · Pixel Graphics · Indie

Plague Inc: Evolved
Shared: Strategy · Singleplayer · Indie

Despot's Game: Dystopian Battle Simulator
Shared: Auto Battler · Pixel Graphics · Indie

Endgame of Devil
Shared: Strategy · Singleplayer · Pixel Graphics

The Escapists
Shared: Strategy · Pixel Graphics · Singleplayer

Papers, Please
Shared: Indie · Pixel Graphics · Singleplayer

9 Kings
Shared: Strategy · Auto Battler · Roguelite

The Legend of Bum-Bo
Shared: Strategy · Roguelite · Indie

Game Dev Tycoon
Shared: Strategy · Singleplayer · Indie

Skul: The Hero Slayer
Shared: Indie · Pixel Graphics · Singleplayer

Wall World
Shared: Roguelite · Pixel Graphics · Strategy

DAVE THE DIVER
Shared: Pixel Graphics · Singleplayer · Casual

Megabonk
Shared: Roguelite · Indie · Singleplayer

Time Walker: Dark World
Shared: Auto Battler · Roguelite · Strategy

Slots & Daggers
Shared: Strategy · Casual · Roguelite

Astronarch
Shared: Strategy · Auto Battler · Indie

Plants vs. Zombies GOTY Edition
Shared: Strategy · Singleplayer · Casual

Ballionaire
Shared: Singleplayer · Strategy · Casual

Book of Yog Idle RPG
Shared: Auto Battler · Singleplayer · Strategy

Crying Suns
Shared: Strategy · Pixel Graphics · Roguelite