All Switches route

-Wiggler's Woods (Secret Exit: enter pipe 3, hit switch right away, key drops, follow the solid coins to the hole)
-Haunted Ruins (Normal Exit: follow path to p-switch or clip the stairs)
-Iceberg (Normal Exit: swim under first section with a shell to skip underwater part)
-Revenant Barge (get tails)
-Red Passage (fly at the beginning or beat Mountain Pass first, get Yoshi in the secret section of Yellow Passage, hit p-switch and he drops on the solid coins)
-Dark Cave (Normal Exit)
-Block Tunnel (Normal Exit: keep tail to avoid invisible block trap pits)
-Forsaken Cabin
-Splunking Trip (baby yoshi in top path, parakoopas indicate lava holes)
-Ancient Ruins (tail in first top half, second top half after midpoint if you still have Yoshi.  don't fly over the top, you WILL get stuck)
-Abandoned Mines
-Doom Castle
-Gloomy Jungle
-Fire & Water (Secret Exit: p-switch in lone box, press right away, door near chain chomp, left and over the roof to the right, p-switch in first box, take it into the first pipe, press and grab key, take to third pipe(first from bottom, blue), go left until keyhole)
-Forest Cavern
-Water Works (Secret Exit: blue pipe near second dragon coin, under boomerang bro.  rng jump to key, keyhole up right)
-Factory (Blue Switch: take the second optional path, break blocks above vine block to get to the section with moon to skip a section)

-Water Works (Normal Exit: p-speed jump off a one tile ledge to skip a climbing section near the end)
-Forest Laboratory (go up at first chance then go right.  jump at wall twice for major shortcut)
-Fire Fortress (up left for shortcut.  run at full speed across water)
-Blue Passage (fly at the beginning, respeed at switch ledge, fly to the end)
-Frost Facility
-Frigid Pass
-Rime Passageway
-Glacier
-Wendy's Pipe Palace
-Ancient Tomb (Yellow Switch: take path down after third thwomp to get p-switch)

-Mountain Pass
-Yellow Passage (Normal Exit: take bottom path twice, kill second hammer bro to avoid dropping disco shell easier)
-Desert Cliffs
-Sun-Baked Pipe Maze (Normal Exit: go over)
-Sandstone Grotto
-Royal Pyramid (Normal Exit)
-Rocky Ridge
-Ludwig's Sandcastle
-Bullet Beach
-Dolphin's Playground (dolphins in second half can only be spun on)
-Haunted Forest
-Morton's Revenge
-Roy's Aquarium
-Emerald Hill (Green Switch: take the koopa jumps straight to the right in the cave)

-Wiggler's Woods (Normal Exit)
-Molten Volcano (Normal Exit)
-Labyrinth (top path)
-Mystery Mire (fly to skip a swimming section)
-Piranha Fort (fly over entire level)
-Giant Garden (Normal Exit)
-Castle Koopa
-Obstacle Course (Red Switch)

-Molten Volcano (Secret Exit: use the switch palace path near the green spring thing section)
-Lemmy's Power Plant (tail at the top)
-Riverside Ruins
-National Park
-Super Sized
-Dino Graveyard (invisible blocks at the end of the first screen to go over a ledge and skip the underground part)
-Scout Tower (false wall by the door at the end of the first section to skip a section)
-Excavation Tunnel (tail in first box after the door, after the midpoint)
-Swimming Hole
-Bowser's Keep (fly over the second roof in the first section, room 1 is harder bur faster if flown, room 3 is safest either way)

aterraformer

Mario's Amazing Adventure

Super Nintendo

Wii Virtual Console

Super Mario

Super Mario World ROM Hacks

GarbitheGlitcheress

barnowl

Bunnie_Goddess