Games like Mage and Monsters
Games like Mage and Monsters include Mage and Monsters II, FTL: Faster Than Light, Balatro, Eslabong, and Loop Hero. We matched them by the tags players give Mage and Monsters on Steam (Auto Battler, Strategy, Perma Death, Magic, and Roguelike): closest matches first, and among equally close ones the better-known games.

Mage and Monsters II
Shared: Auto Battler · Strategy · Perma Death

FTL: Faster Than Light
Shared: Strategy · Roguelike · Perma Death

Balatro
Shared: Roguelike · Strategy · Pixel Graphics

Eslabong
Shared: Auto Battler · Strategy · Management

Loop Hero
Shared: Roguelike · Pixel Graphics · Choices Matter

Dwarves: Glory, Death and Loot
Shared: Auto Battler · Strategy · Roguelike

XCOM 2
Shared: Strategy · War · Perma Death

Total War: WARHAMMER II
Shared: Strategy · War · Fantasy

How Many Dudes? The Roguelike Autobattler
Shared: Strategy · Roguelike · War

Warpips
Shared: Strategy · Auto Battler · War

This War of Mine
Shared: Strategy · War · Choices Matter

Oaken Tower
Shared: Auto Battler · Strategy · Pixel Graphics

Teamfight Manager
Shared: Auto Battler · Strategy · Pixel Graphics

Peglin
Shared: Roguelike · Strategy · Perma Death

9 Kings
Shared: Strategy · Auto Battler · Roguelike

Hero's Hour
Shared: Strategy · Auto Battler · Pixel Graphics

Backpack Battles
Shared: Auto Battler · Strategy · Roguelike

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

The Last Flame
Shared: Auto Battler · Strategy · Roguelike

Dungeon of the ENDLESS™
Shared: Strategy · Roguelike · Pixel Graphics

Cluckmech Oasis
Shared: Strategy · Roguelike · Pixel Graphics

Time Walker: Dark World
Shared: Auto Battler · Strategy · Pixel Graphics

Stoneshard
Shared: Strategy · Roguelike · Pixel Graphics

Hogwarts Legacy
Shared: Magic · Singleplayer · Fantasy