Your goal is to make all of the blocks happy! Place the green blocks onto the field to turn all of the yellow blocks green. Think ahead then place each block in the correct location in order to pass each of the 20 levels.
How to play: Click or tap to place the blocks.
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Happy Blocks is an online puzzle game that we hand picked for Lagged.com. This is one of our favorite mobile puzzle games that we have to play. Simply click the big play button to start having fun. If you want more titles like this, then check out Pipe or Connect the Dots. To play even more free games, view our all time top games page.