Players take on the role of a defensive commander, tasked with protecting their base from invading enemy forces. The gameplay revolves around constructing and upgrading a series of defensive structures, including towers and other barriers, to slow down and block enemy advances.
The main objective is to survive waves of increasingly difficult enemies, with each wave bringing new challenges and threats to overcome. The game runs directly in the browser, requiring no download or registration to start playing. As the enemy hordes approach, the player must strategically place and upgrade their defenses to succeed.