Simple Autobattler

Simple Autobattler is a desktop game that implements the basic mechanics of "autobattler" genre games. Autobattler is a genre of strategy videogames that have recently risen in popularity. The most widely played autobattler games today include Riot's Teamfight Tactics and Valve's Dota Underlords. The source code of this game is available here.

To help with strategy, note that the humanoid units are ranged damage dealers (longer range, higher attack speed, lower attack power, and lower health), whereas the monster units are tanks (shorter range, lower attack speed, higher attack power, and higher health).