Plain tower defense gameplay involves placing towers and defending a base from endless waves. I find the physics sometimes wonky which is frustrating.
Click on the screen to start action, place towers to defend against waves and upgrade them.
The controls are point and click. The game runs in a browser without downloads and has simple menus.
Most tips suggest saving points for upgrades when tougher enemies appear. Watch resources closely to manage them for later waves.
Q: What are the controls? A: Point and click menus.
Q: What is the objective? A: Survive endless waves as long as possible.
Q: Is there a timer? A: Not stated.
Q: What is the main mechanic? A: Placing towers to defend a base.