Pocket Chess – Chess Puzzles

This is a solo, portrait-oriented chess puzzle game that offers a high replay value through a vast number of challenging puzzles. While it's free-to-play with frequent ads, it's playable offline, one-handed, and can be enjoyed without sound, making it highly interruptible and suitable for short sessions. It's ideal for players looking to improve their chess tactics in a relaxing, low-stakes environment without strict energy timers.