Jump over the gaps and keep walking as long as you can. You will start with 20 energy points, each jump will cost 1 energy point. Collect bones to gain energy. Catch the wings bubble to fly, collect all the other items and unlock the achievements. Watch out for the fire and volcanoes, it will reduce your health. It will become more difficult the further you walk. Find all things out yourself. Good luck! Press the left mouse button to jump (hold for a bigger jump).