--Instructions-- • Open the shop in the top right corner • Buy cells from the shop with cash • Use cash to upgrade your immune system • Earn enough cash to buy undiscovered cells to discover them • Click the next wave button in the top left corner to start the next wave • Defend against the approaching army of virus • Earn cash by defeating each virus • Don't let them reach the other side • Go for as long as you can • Don’t forget to save your game before you go! Click the three dots in the top right and press save. Store the save code somewhere safe!
