Hello. This is a classical tower defense game.
You face various enemies coming in waves.
run from a starting point to an end point along a specific
You can kill those enemies placing on the cells nearest to
this path some defenders (left-click on the cell and choose the
defender you want to build).
That's all. Your objective is to survive.
Every killed enemy gives you resources to build more defenders
Every end of the waves, if you are still alive, you earn other resources
Every enemy that cross entirely the path subtract some life from you, until you die