Kill all enemy virus. Protect your cells from virus!!!!
after each level is clear, you can buy items at upgrade store.
Spend your money(gold) for upgrade.
a,s,w,d key is availble instad of each arrow keys.
I added "pause" and "replay" button on the game(right under).
You can start with $500 money for first level.
Added on 2013-10-31 14:47:59 PDT
Played 317 times