tuna

Mario is supposed to be small, and waits at the bottom until an icicle drops a vine from above. Spike traps make it so you cant climb the vine with diagonal joystick movement, and it shouldn't be possible to do a buffer jump since the vine won't come down for a while.

I'm not an expert in tech so if anyone manages to break it let me know!

I think he runs Gentoo

One big difference between new players and experiences players is sightread distance. When you first play geometry dash, you focus a lot on your character, but over time your eyes drift to the right to see what is ahead.

The idea goes that you can simulate what it feels like to be a new player by decreasing your sightread distance. You could black-out certain parts of the screen, play test, then remove it afterward.