Happy Fix is the one of the best puzzle games in the market and without a doubt the best pipe connection game. HOW TO PLAY: - Connecting pipe to each other. - Will have some decoy pipes on levels, try to avoid or use hint to clear that. - When all pipe can make water flow to tank, you win. level from easy to hard and vice versa. Use hints If you are stuck and cannot pass the level. If you like puzzles, then this game is definitely for you.