Merge Ninja Star is a free idle game developed by MOUSE_DUCK for Android devices. If you enjoyed Merge Pigeon, you will definitely have fun with this one. The game features simple controls and a highly addictive gameplay. All you have to do is merge ninja stars and throw them at your enemies. As you progress, you can upgrade your ninja stars and collect new ones to help you in battle.

The game also offers boss battles and simple mini-games to keep you entertained. Every time you get a new ninja star, you can share it with your friends and see who can upgrade to the final ninja star first. Complete various achievements to earn rewards and challenge yourself to reach the top of the leaderboard. Your progress is automatically saved on your phone and you can safely save it on the cloud. Merge Ninja Star is a fun and addictive idle game that is perfect for those who don't have a lot of time to play.