Yes, StairRun3D is completely free to play online.

How to play StairRun3D?

You can play directly in your browser using keyboard, mouse, or touch controls.

Can I play StairRun3D on mobile?

Yes, it works on phones and tablets.

StairRun3D

Go for the high score in this distance running game with a steep twist! Collect stairs to lay down before you to climb over obstacles. Avoid the obstacles or you will lose! Once you pass the obstacles climb as high as you can to multiply your score, proceed to the next level and climb your way atop the leaderboard!