Here's a video of me performing the skip: With great thanks to lapogne36 and Balneor for helping exploiting the glitch so that it's useful even through the second wall!
for the first, you hold the enemy and stand against the door, Once you did this, hit up and down on your dpad until you're through.
at the second wall, jump from the corner as seen in the video and right as you land press up on your dpad to face away from the camera allowing you to clip through again!
and tadaaaa skip the level!
-Peeko
It's true ! It has been done ! After more than 25 years ! A new dimension of play for this game is now upon you !
All four categories ! And submissions compatible with full-game run footage ! So you can port all of your best and proudest stage performances !
You can read about the making of start