Gravity Runner

Take your typical Run 'n Jump game. Spruce it up with the ability to switch gravity. Slot in over 25 challenging levels, an endless level and you have one of the most addictive games you'll ever play... * You get to switch gravity at high speeds! * Test your skill on over 25 challenging levels * Find the hidden keys to unlock more levels * Enjoy infinite play in Endless Mode * Relive your pixeled past with retro visuals * Online leaderboards to show who is best * A bunch of achievements to unlock * Highly addictive gameplay Source: The Developer Website.