This online game which title is Longest stair is a very exciting game which is available on Geko absolutely for free. Longest stair has a vast list of categories, for example action and 3d and many more such as one-player, uphill-rush games as well. This is an HTML5 game and it can be played on tablets and mobile phones. To operate, just use your finger on mobile and mouse and keyboard on PC to be the best at this game. Be our guest playing Longest stair online game for free on aifreegame.com.