Max Damage is currently available on iOS for free! This version features:

• a whopping 150 levels
• new shot types and features like the wrecking ball, TNT and rocket shot
• a 3 star rating system for maximum replay value
• GameCenter achievements

But don't take my word for it, check out what the reviewers are saying:

"...genuinely inventive puzzles and a fun idea at its core." - pocketgamer.co.uk

"Max Damage remains both fun and challenging to to the very final level." - 148Apps.com

"It's a neat approach to what is already a well established genre." - appspy.com

MechaniPig, Gravity Shift and Rubble Racer are all available on the Android Market for free.