Marketplace
Looks like this App goes free every 4 months or so, decent shooter.
From iTunes:
More levels, more enemies, more weapons… GET THE BEST MONSTER SHOOTER EVER - NOW!
Monster Shooter: The Lost Levels is the totally ad-free, premium edition of quite possibly the best dual-stick shooter mobile game ever – with brand-new content and exclusive features!
★★★ "Exploding Alien Faces Is Quite Fun, Actually" - TouchArcade review ★★★
Your mission: survive wave after wave of alien baddies and save the cute, cuddly kitten. Find all you need to annihilate your extraterrestrial antagonists in the fully-stocked armory. Upgrade your weapons to unleash even greater destruction. Improve your chances of success with useful perks and items. Challenge your friends to beat your high-score in Survival Mode. Will you emerge victorious? Time will tell. The only thing we can guarantee is many, many hours of the most exciting gameplay you’ll find on a mobile!
HIGHLIGHTS:
- New levels, new enemies, new weapons!
- 80 challenging levels on 4 different planets
- 12 upgradeable weapons
- Over 80 Game Center achievements
- Game Center leaderboards in survival mode
- Over 100 missions
- Ultra-cute hand-drawn 2D graphics
- Stunning visual and audio effects
Thanks for this !