These notes go over the differences from TPE Glitchless for the optimal NGNAG route. This route includes a few required quads and loses time to the old route if you miss a required quad, so it's not recommended for beginners. Thanks to chair547 for discovering that it's faster to kill Mettaton and for lunarezi for routing in the Cowboy Hat strat using gold from killing Temmie.

Pastebin link: https://pastebin.com/siMMrZp3

For anything not mentioned, follow the same route as TPE Glitchless.

Ruins

• Kill First Froggit.

• Don't grind for any extra Ruins encounters.

• Get the Spider Donut.

• Do not get the Faded Ribbon.

• Do not get the pie.

Snowdin

• Get and equip the Tough Glove.

• Do not buy the Manly Bandana.

• Do not date Papyrus.

Waterfall:

• Do not get the Old Tutu.

• Get an Astronaut Food for Kindergarten Undyne.

• Do not get the Cloudy Glasses.

• Kill Temmie

Hotland:

• Do not water Undyne.

• Kill Vulkin.

• Get and equip the Burnt Pan.

• Do not drop the Tough Glove.

• Kill Pyrope (requires a quad to 1-shot).

• Do not get the Stained Apron.

• Kill RG01 and RG02 (each requires a quad to 1-shot).

• Menu buffer past the encounter in the North puzzle room (skips a cutscene after Muffet).

• Use the Spider Donut to spare Muffet.

• Buy the Cowboy Hat.

Core:

• Kill Madjick (requires a quad to 1-shot).

• Flee Astigmatism.

• Equip the Cowboy Hat during Mettaton's first phase.

• Kill Mettaton.

New Home:

• Don't save in Throne Room.