Flip Assassin is a free knife flipping game developed by D2D Games, available on Android devices. The game is simple and addictive, requiring players to move their finger and rotate a knife to hit and defeat enemies. The graphics are well-designed, and the slicing animations are smooth and satisfying.

The objective of the game is to complete various levels by flipping knives and hitting targets. The game is easy to learn, but challenging to master, with each level increasing in difficulty. There are also various knives to unlock and collect, adding to the game's replay value.

Overall, Flip Assassin is a fun and entertaining game for those who enjoy knife flipping games. It's a great way to pass the time and challenge your skills.