Space Stairwell is a free Arcade game you can play instantly in your browser, with no download and no registration. How to play: Controls The game can be played on both Mobile and PC Mobile Jump Tap directly on the platform you want to jump to PC Jump Click with your mouse on the platform you want to jump to Slide Use the A D or the Left Right Arrow Keys to slide Smart-J. It renders at 1920 by 1080 pixels and scales to your window. It joined SaGo Games on October 29, 2026. It is an HTML5 build, so it loads in any modern desktop or mobile browser.
Space Stairwell is a fast-paced survival game. You control a sphere and must jump up an endless series of platforms rising from the bottom of the screen. The goal is to survive as long as possible by completing levels. Every jump consumes energy, so you must collect items to recharge. The game gets harder in higher levels, with platforms that collapse faster and require quicker reflexes. You can unlock new levels by successfully completing the previous ones.