Up arrow/w/space/swipe up to jump. Holding "jump" makes you jump farther. Left arrow/A and Right arrow/D to move. Or, swipe left/right. Try to get the farthest you can without falling into the holes! Get a score of over 100 to unlock the child. You can click the "Pause" button to pause. This is a remake of the classic game Run 3. But, it is not an exact remake. Everything that you're seeing is stamped besides the pause button and the character select. The map is never the same(Unless you do it like one quadrillion times then there might be 2 identical maps) This was about 2 hours of work.
All code is from the original project which is 95% by me (@Nitro_Tom ). This version of Run 3 is extra hard because you are going backwards!