Cirplosion

Cirplosion is a skill/puzzle game where you create circles in the gaps between moving orbs. You have limited time and explosions on each of the 20 levels. Complete the challenges to unlock Cirvival mode. Some of the challenges are quite, um, challenging – good luck :)
1. Hold down mouse button to expand a circle
2. Release mouse button before circle touches orange orbs or the edges
3. Position transparent circle over orbs and click to destroy!