
STP: Backflip Studios’ move to ad-supported free games is looking like a better and better idea with every new game. NinJump, which plays like an on-rails version of Ninjatown: Trees of Doom, proves that they're bringing the same quality to their free titles as they did with their premium content.

The Quality Index champions the best endless climbers on iPhone.

STP - Backflip’s line-up of games is pretty legendary. Many of their games have held a position in the top 10 paid or free charts. NinJump, one of our favorites from their collection, recently got the premium treatment. While this version may put you out a dollar, it offers two new levels with additional challenges.

AppVee: With games like Doodle Jump and many more casual apps topping the charts consistently, it comes as no surprise that the latest craze in games falls easily into the same category. NinJump is a free game created by the same group who brought us PaperToss. But this time you won’t be wasting time throwing paper into baskets, you’ll be scaling walls and attacking other ninjas.