Cube Siege

Cube Siege is a voxel tank action game with destructible environments and crystal defense. It features 30 campaign stages playable solo or in two-player co-op, top-down and first-person views, squad missions for up to four players across six zones, and 3v3 and 5v5 online battles. Players can customize tanks with classes, modules and cosmetic items. The game is free to download on iPhone and iPad, with optional in-app purchases.