is a clever mashup of a roguelike deck-builder and a real-time lane-defense game, but it’s important to address the "free download" part of your search.
Unlike turn-based card games like Slay the Spire , you play your cards in real-time. Units spawn and march down lanes toward the enemy base.
You collect cards representing different undead units (skeletons, zombies, wraiths) and powerful spells.
In Necronator, you play as a young necromancer graduate trying to conquer the world. The gameplay loop is fast-paced and addictive: