Just get the box. If the box is touching the edge, it won't count. "r" to reset score, "s" to show your cursors x and y position, "h" to hide it.
May 17, 2025: I accidentally shared this onto Scratch yesterday. It's not currently finished yet. May 19, 2025: It's harder to catch than before. May 20, 2025: I'm bored and I literally do not sleep.