Mega Man 1
General Tips & Glitches
Screen Wrap Ladder Grabs
If you jump off the top of a screen at a location where a ladder is on the bottom of the screen, notably in Cut Man and Wily 1, you can press Up and grab the ladder at the bottom of the screen.
This is considered a glitch and not allowed in Glitchless.
The Select Button
The intended function of the Select button is to pause the game without entering the menu.
The specific trick against Yellow Devil is that enemy Invincibility Frames "run out" during a select pause. This allows the player to "mash" select (though it's better pressed with timing) to hit most bosses multiple times.
Elec Man
Early Magnet Beam
You can grab the Magnet Beam without Guts (or Elec) by executing a ladder zip.
Setup
Get Mega Man to the top of the right ladder below the magnet beam (it does not matter how you entered the screen). To get Mega Man into the glitch position, you must push down+shoot at the same time to get Mega Man into a climbing position above the top of the ladder. Then, if needed, shoot left so Mega Man is looking left.
Pushing UP will zip Mega Man into the wall.
Grabbing the Beam and Escaping
Once in the wall, jump, and at the peak of the jump, tap left. Mega Man should "get stuck" higher on the screen.
If you are not even with the magnet beam, jump and land to try again.
If you are on the level of the magnet beam, tap left until you collect the beam.
Do not walk all the way out of the wall. You will not be able to zip back inside. This is the so called GDQ Jail.
Jump to escape (much like reseting the zip to try again). Wiggle left and right at the bottom to get out and continue through the stage.
An advanced strat is to jump and try to tap left again at an even higher height to escape out the top