Collect one Energy Tank before acquiring the Morph Ball Bombs

Defeat Crocomire with a single shot

In a single session, collect all of the items that are available without going out of bounds in Crateria and Blue Brinstar before taking the elevator to Green Brinstar for the first time

Get the Ice Beam without the Speed Booster or the Varia Suit

Defeat Ridley in Ceres Station using only the Murder Beam (see the comments for more information)

Without a single upgrade, escape from Ceres Station without being hit by anything

Moonfall down the Old Tourian escape shaft like a speedrunner

Shinespark through the "Gauntlet" from the ledge above Samus' ship

Kill Bomb Torizo only with default beam without being hit

Find the hidden third eye

Die after collecting your 327th Energy Tank

Kill Gold Torizo without being hit

Free the Dachora from its pit

Defeat Phantoon before any other boss

Leave the "Early Supers Room" from the "Brinstar Reserve Tank Room" without going through the upper path of the room

Cross the "Pillar Room" in Lower Norfair without using the Screw Attack, Bombs, or Power Bombs

Get the Spore Spawn Super Missile before fighting Spore Spawn

Kill Mother Brain with a single shot of the Murder Beam (see the comments for more information)

Defeat Draygon with a single shot and without using the Grapple Beam

Kill Crocomire's Tongue

Get through the "Moat" before the Wrecked Ship without the Speed Booster, the Grappling Beam, or the Space Jump

Perform a 4-tap short charge with the Speed Booster

Defeat Draygon before any other boss

Defeat Kraid without allowing him to rise to the top of the screen