Uploaded February 2021 | Updated September 2026, 2 weeks ago

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I will note here that Nim (youtube.com/channel/UCG_b-lywDked3HfbZQXU8Gw) had spent several hours TASing this challenge with different methods, and that his last attempt did reach the sloped area at 0:46 before having to stop. As this was a simple final stretch, he already had it in the bag but hasn't had the ability to TAS recently.

Skip to 0:28 for the good stuff, I messed about with different slope jump ideas for a little bit beforehand.

Freezeflame Secret was the next most likely star to be proven itemless/transformationless, with walljumps being really close to getting up to the secret area to skip the sling star.

Freezeflame Purple Coins is free as there is no black hole covering the easiest route (slope jumping up from Baron Brr's arena). But there is a black hole here.

The main tricks here are an outer corner walljump and a hard-angled walljump, both aided by neutral walljump strain.
An outer corner walljump mirrors the well-known inner corner/90 degree walljump trick - rather than straining left or right to angle a walljump *towards* a 90 degree wall to grab it, you instead angle the walljump *away* from a 270 degree? wall.
By going neutral on the joystick after walljumping, you bypass a fixed speed and can strain harder than before.
The hard-angled walljump is done exactly like a 90 degree walljump.

Getting through the secret area itemless is the common speedrun route. For fun, I tried a weird route from the snowman, managing to get three walljumps off the same wall - first was normal, but the second was an adjoining walljump aka double walljump, where you grab a wall right at the joining between two perpendicular (inward corner) walls. You kick off one wall, but the game likely reads you as kicking off the other wall, as you can then regrab the kicked wall, which led to the third walljump.

#SuperMarioGalaxy