The goal is to infect all monster on field so that there was only one sort of monster. You start your way from top-left corner and have 25 moves to infect all field. Also you can play vs computerInstuctions:
Click on one of six colored buttons in the bottom-right to infect your corner.
Or use keys [Q] [W] [E] [A] [S] [D]
[N] if for new game
[ESC] opens menuKeywords:
infect flood monsters en