Do not let your enemies get past your defense! At first, you will be armed with just a bow that you can upgrade over time. Set-up your defenses with different upgrades like sentries and barbed wires. Make your arrows stronger with different power-ups such as bomb, multi-shot and freeze arrows, and use them to your tactical advantage. Come back daily to collect daily rewards. Uncover lootboxes to obtain cards that will unlock new and powerful bows. How long can your defenses hold out against a massive wave of enemies?