[In this weekly column, Gamasutra rounds up the most popular paid and free iPad gaming applications on the App Store as of today, with Kingdom Rush, Hamlet HD and Paper Monsters currently ranking among the platform's top downloads.] This week's top paid titles are: 1. Where's My Water? ($0.99) 2. Kingdom Rush ($0.99) 3. Paper Monsters ($0.99) 4. Angry Birds Seasons HD ($1.99) 5. Words With Friends HD ($0.99) 6. Angry Birds Rio HD ($2.99) 7. NFL Flick Kicker HD ($0.99) 8. Reckless Racing 2 ($4.99) 9. Angry Birds HD ($4.99) 10. Fruit Ninja HD ($2.99) Armor Games' tower defense title Kingdom Rush storms the App Store charts following the recent release of a content-expanding update, challenging Disney's reigning sales leader Where's My Water? for top honors. Crescent Moon Games' well-received platformer Paper Monsters moves up to third place after debuting at fifth last week, meanwhile, as Polarbit's Reckless Racing 2 claims eighth place in its premiere week. Here are this week's top free iPad applications: 1. Temple Run 2. Where's My Water? Free 3. VIP Poker HD 4. Hamlet! HD 5. Pinball HD Collection 6. Pet Shop Story: Valentine's Day 7. Baseball Superstars 2012 8. Top Girl HD 9. Tap Battlefield HD Free 10. Angry Birds HD Free Imangi's Temple Run ranks as the iPad's top free download for the fourth week in a row, outpacing a trial version of Where's My Water? and TinyCo's recently launched VIP Poker HD. Big Fish Games' Hamlet! HD takes fourth place during a limited-time free download promotion, as Gamevil's sports franchise update Baseball Superstars 2012 ranks in at seventh place in its first week of release.