Replaceable Blocks GamePlay Replaceable Blocks Online at Infofully.com. This is a puzzle game in which your aim is to replace the Blocks and to remove the Red Blocks. By this way, you can earn the points. Click on the block to replace it. Make a strategy and activate a chain of reaction to complete the level. Try to play all the levels. However, if you feel that any of the levels is difficult or you did a wrong turn, you can restart the level or game anytime. Mute mode is good to play the game. Playing Method: Use your mouse to play this game. Click on the Block to replace it and try to remove the red block in all the levels.