As an interesting adventure game, 400 Years on www.flash-game.net will test your IQ to some extent. The calamity is coming. To stop it, the figure in stone wakes up and only has 400 years. Used Left/Right arrows to move, Up/Down to climb. Hit Space key to let years pass by. Use E to collect or plant the seed of trees. Try to make human being reproduce to build bridges. It’s your turn to save the world!