Bloblokin is a free online block stacker — a block-stacking puzzle game: guide the falling pieces into the well, stack them, clear lines, and send Sludge to your rivals. Play solo modes (Marathon, Sprint, Time Attack, Endless, Dig, Survival and a worldwide Daily), ranked 1v1 duels, five-player battle-royale rumbles, item battles, and private lobbies with friends — instantly in your browser, no download. JavaScript is required to play — please enable it and reload.