In this game hand/eye co-ordination and a lightning-quick reaction time spell the difference between success and failure.

Hundreds of colorful particles floating in the ether – and it’s your job to put them all together. Click and hold down the mouse button to make a ring around the dots, and watch them all gather in the center. With every ring you create you’ll get closer and closer to your target… but miss the target, even by one, and the nucleus is ruined.

How quickly can you complete all fifteen levels without making a single mistake? The challenge is on…