The game is completely Offline. You can complete the game from start to finish without connecting the Internet. Key Keeper is a fascinating and beautiful 3D platformer made based on the best classic platformers. You need to find all the keys and open the doors and collect all the diamonds in order to open the last door. Pass obstacles, collect weapons, defeat enemies. The main thing you have to do is to learn how to jump from one platform to another. The game is based on real physics. You have to calculate the angle and the force to be adjusted for the jump. You can jump to platforms located at different distances from the character. EXCITING PROGRESS: Use a combination of speed, skill, wit and reaction to solve puzzles, earn upgrades and unlock previously unattainable zones.