In Stair Run 3D, you play as a cool little character who runs super fast up colorful stairs! You collect blocks to make your staircase taller and bigger! The more blocks you grab, the higher you can jump, and the more awesome your run becomes! Watch out for gaps and obstacles trying to trip you up, or you might tumble down! There are lots of fun levels with shiny surprises, and you can unlock new characters too! Can you reach the top and get the biggest staircase ever? Let's race and see who can build the highest stairs in this cool game!