In case you missed it... http://toucharcade.com/2010/05/14/towermadness-hd-coming-soon-for-your-ipad/
TowerMadness HD launching Sunday May 23rd! TowerMadness HD launches tonight, just in time for the 1 year anniversary of TowerMadness on the App Store. A heads up to the forum members, we'll set it for sale a few hours before midnight tonight Pacific Time. Depending on how long it takes to activate on iTunes, some of you might be able to snag it a little early! Just a few of the new features in TowerMadness HD: ALL NEW HIGH DEFINITION GRAPHICS Get up close and personal with the aliens as you defend your sheep in stunning high definition 3D. LOCAL MULTIPLAYER Two-player split screen multiplayer battle mode featuring RoboSteal, the sheep stealing alien robot you can unleash upon your opponent. Grab a buddy and challenge them head to head on one iPad. NEW MAPS AND CAMPAIGN SYSTEM Includes every map from the iPhone version plus EIGHT all new maps in a new campaign progression system! ENDLESS SANDBOX MODE Once unlocked, you can challenge yourself and other players to see how many waves you can withstand with a plentiful $10000 starting supply of money. LOCAL HIGH SCORES Now you can see your personal best score on every level. MULTIPLE SAVE GAMES Play more than one map at the same time. Multiple save game support allows you to take a break in the middle of any map to play another map! ...and more refinements and enhancements to the original game based on fan feedback! We're looking forward to hearing your first impressions and suggestions for future updates. Thanks for your support!
It's out now! BazookaTime, it's $7.99, and any in app purchases from the iPhone/iPod Touch version can be transferred to the iPad version for free.