Weido free online puzzle game. If you are bored and you need something to play for free here on vitalitygames we present a free online puzzle game called Weido. Use mouse key to aim, left click to shoot. Alien invaders are attacking our mother earth! Take up your cannon to shoot those alien invaders down into the scalding lava, but don't shoot our war correspondents! Collect as many coins as possible so that you can get the gold medal!