Fortress Defense is a tower defense strategy game with unusual drag-and-drop upgrade mechanics and tough bosses. Defend your Fortress , warrior! Place defensive towers and fight your way through wave after wave of enemies. Don't let any of them get to your base! To win, you'll need to think strategically and manage your resources carefully.
Besides, you should also explore other similar games with this game to relax and compete with the skills you have collected today like Yui Christmas Adventure 2 at friv 2020. They will be different lessons that you can hardly find in real life.
Instruction to play:
Use the mouse to play.
Racing 
Puzzle 
Sports 
Stickman 
Action 
Subway 
Girls 
Minecraft 
Food 
Christmas 
Basketball 
Running 
World Cup 
2 Player 
.IO 
Zombies 
Math 
Halloween