Dead Force: Zombie Strike Ops

This is a solo, likely portrait-oriented zombie shooter with short sessions and high interruptibility, making it suitable for quick play on the go. While the core gameplay is free, progression is heavily gated by pay-to-win mechanics, requiring players to spend money to advance quickly or access better weapons. It's best suited for players who enjoy intense, action-packed shooting against zombies and don't mind a pay-to-win structure.