Inkanians
Inkanians is a puzzle game on you control a squared-inca moving boxes, slide blocks, teleport... to collect all the diamonds of the level.
History: Two incas stole a treasure and a mysterious magic turning them in to rocks inside the cave. Now they have to find the way to escape!
The game starts with easy levels to explain all the mechanics and increases the difficulty in various ways until the last levels. There is no constant difficulty increase, you can find a normal level and after that some a bit more easier to no get frustrated after something hard.