First of all, Monsterra is free game optimized only for iPad. You need to have iOS 4.3 or higher in order to play this game. It's fresh, it was released just 3 days ago on App store.
Monsterra is practically a colorful logic game. When we say colorful, we mean very colorful and crisp. The developer did a nice job here. With logic and rationally selecting circles in different colors you need to beat the opponent. You need to be a great thinker in order to become the best.
As for the game, graphics and game play are great, and the so called monsters look like sweet, friendly and cool creatures. Practically is a game for every age. There are several game modes. You can play a multiplayer game in which your friends or family will be opponents. Or you can choose from Hot-Seat, Wi-Fi, Bluetooth or against monster machine.
Additionally there are three different matches for you to play and you'll gain experience and rank with every game you'll play. The game doesn't have any bags and runs smoothly.