If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Safe the farm and vaccinate all infected piggies in this chain reaction game.ou got only one load of antiviral serum. Release it anywhere on the screen and start a chain reaction. Do not hit the pink piggies as they are healthy. 3 modes, 19 levels each, 4 kinds of piggies and 4 different obstacles.
This game is played with mouse only.
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