Idle Knife Flipper is one of best idle game with flippy knifes. Idle flip knifes, unlock new ones and upgrade them. Flip, flip and idle flip some more on this Idle. Flipper game is so enjoyable. - Buy Auto Flips to make money while you're off the app! - Unlock more floppy knife. - Upgrade them to infinity. Can you unlock all the swords and become a multi millionaire, billionaire, trillionaire??? You get the idea about what is Idle Knife Flipper. Have a nice Idle Knife Flipper game.