What exactly is the issue? Did you download the EXE or the Game Maker project? The EXE is what you need.
Lovecraftian and psychological survival horror RTS
Consume each world as you fight an eternal war for energy. A blend of RTS, TBS, and Tower Defense.
Game Maker Undertale Battle Engine
A reimagining of the Battle at Pelennor Fields.
Your City is being invaded. Commence TitanFlap!
Play in browser
Patience is a virtue.