Undead Horde 2: Necropolis

This premium action RPG offers a deep loot-driven progression system with extensive customization for your undead horde, encouraging experimentation with different builds. While sessions can be medium-length and it's primarily a solo experience, the game is highly replayable and can be enjoyed offline. It's well-suited for players who enjoy ARPGs with a focus on character building and item acquisition, offering a console-like experience on mobile.