Rumble Paws: Backpack Fight

Rumble Paws is a portrait-oriented auto-battler with short, interruptible sessions that can be played one-handed. While the core gameplay loop offers high replayability and a mindless mood, its monetization is heavily criticized for being pay-to-win, forcing players to watch excessive ads or pay for progression. This makes it a game best suited for players who can tolerate aggressive monetization for a casual, solo experience.