Train units and merge them to get stronger units, start the mission and clear the wave to get extra coins, these coins will help you train more units.
Make you place most elite units on defense positions as they the ones that will attack at the enemies.
Desktop Controls:
Use mouse click to interact with game ui to train units.
Pull and drop units of same level to merge them
Pull and drop units to move them on different slots
Mobile Controls:
Use screen touch to interact with game ui to train units.
Pull and drop units of same level to merge them
Pull and drop units to move them on different slots
