The "Deluxe" version of the game typically unlocks 100 extra weapons immediately. To reach the 320 or 385 weapon count, you must download expansion packs:
Pocket Tanks Deluxe with 320 weapons offers a rich, varied artillery experience suitable for casual and competitive play. For safety and to support the developers, obtain the Deluxe edition and expansions through official channels and keep your game updated via the platform’s store. pocket tanks deluxe 320 weapons free updated download
Upgrading to Deluxe unlocks 100 immediate new weapons, bringing the total to roughly 145. The "Deluxe" version of the game typically unlocks