Archer Guardian VR : The Chapter Zero

-Background-
A fantasy gaming environment with plenty of magic!
The player plays elf archer who is guarding Crystal Tower
To protect crystal with super magic power, using the power of the bow and arrow and elements to fight Orc's attack!

-Game Rule-
player has to protect crystal tower from the monster force and do not let them destroy it
if player can not protect crystal tower , player failed this stage.