Tetrads.io is a free iogame. The tetrads are coming the tetrads are here, it is your job to take care of the tetradic threat. Tetrads is a retro-blip animation polynomial game. Strap in for a minimalistic ride where you are but a cube in a world of shapes. You'll want to survive, and that means you'll have to finds other shapes and absorb them to stay alive and find other smaller shapes. Every battle will cost you the sum of your blocks and the opposing players blocks when you destroy them so choose your opponents carefully and always pick on someone smaller. As you play through the game because you will  be attacked by players bigger than you. Outsmart them and make judicious use of your 'boost' power by pressing the left mouse button So you can speed away from a potential attack, or get the jump on a potential victim. The boost has its own power bar which will quickly run out as you use it and then will slowly re-charge at half the speed.