Super BackupCat World 2D

Super BackupCat World 2D is a super world and the first of the series canon. It follows Loogi, after his brother Mayro left to Yosh Archipeligo, as Bowser, Bowser Jr., the Koopalings, and King Powderkeg as they invade the Shroom Island for the first time and kidnap Peach. Loogi must go through the island, defeating Bowser's minions on a quest to find the princess.

World 1
Theme: Grass (Standard Grasslands, same location as the grass worlds in World 3D)

World 1-1: Shroomish Plains

The first level. Has a long grass section and then a short cave section.

World 1-2: Mushroom Mines

Longish cave level.

World 1-3: Underground Pool

A mazelike water level.

World 1-4: Rugged Grasslands

Features a lot of Piranha Plants and Spikes.

World 1-5: Roy's Scuzzball Factory

A standard castle level featuring Roy.

World 2
Theme: Cave (does not reappear in World 3D)

World 2-1: Bumbling Mineshafts

Features a lot of Monty Moles

World 2-2: Sub-Ghost House

The first ghost house.

World 2-3: Industrial Pipeway

Has a lot of Piranha Plant pipes.

World 2-4: Seesaw Cavern

Features a lot of seesaws and lifts.

World 2-5: Morton's Casual Castle (later Cruel Castle)

Castle based off twisters and saws, features Morton.

World 3
Theme: Desert (Spikey Spike Desert, not the same desert as in World 3D

World 3-1: Spiky Sands

'Standard' desert level.

World 3-2: Fungi Steppes

Largely features mushroom platforms.

World 3-3: Windy Wasteland

Uses the desert wind night-time gimmick.

World 3-4: Mole Badlands

Mostly set in a desert cave filled with tons of Monty Moles and Rocky Wrenches.

World 3-5: Lemmy's Sand Castle

Has Lemmy. Interestingly Spike Tops appear here, while being strictly a volcano enemy.

World 4
Theme: Snow (Snowy Slides, same place as in World 3D)

4-1: Arctic Steeps

First snow level, with a lot of icicles and overhangs.

4-2: Glacial Grounds

Uses the slippery night-time gimmick for the Snow theme.

4-3: Glazy Caves

A long, icy cave.

4-4: Beneath the Ice Sheets

Set in and on top of a frozen lake.

4-5: Wendy's Billball Fortress

Has a lot of Bill Blasters and moving platforms.

World 5
Theme Sky/Unfinished theme park (eventually becomes the carnival world for World 3D)

5-1: Crayon Skies

Fairly standard.

5-2: Chain Chomp Underpass

Features Chain Chomps, as well as non-linear course design.

5-3: Robot Bridgeway

Features Mechakoopas and Bumpers.

5-4: Bob-omb Battleship

One of the few airships, owned by the miniboss character King Powderkeg.

5-5: Larry's Seesaw Land

Features seesaws, going with the carnival theme.

World 6
Theme: Swampland (Salty Swamps, borders the jungle of World 3D)

6-1: Loser Lagoon

Features Wigglers and varied course design.

6-2: Mildew Marsh

Features Hammer Bros.

6-3: Poison Pond

Features the night-time forest poison gimmick and Munchers.

6-4: Overgrown Mansion

A vine-covered ghost house.

6-5: Iggy's Greenery Castle

Features snake blocks and vines.

World 7
Theme: Space/Unfinished space city (becomes Neo Meowser City some time before World 3D)

7-1: Neo Meowser City Beta

Heavy platforming level.

7-2: Bob-omb Enterprise

The last airship. You fight King Powderkeg here.

7-3: Big Boo Waltz

Ghost House. Title references the character Big Boo.

7-4: Bullet Bill Highway

Features a lot of Bullet Bills.

7-5: Ludwig's Changeup Dungeon

A strange course, more geared off pink coin collection. Has four rooms, each with a pink coin, but two rooms intersect.

World 8
Theme: Volcano (Not to be confused with Volcanic Koopa Dome, becomes fully castles by World 3D)

World 8-1: Volcanic Castle Ruins

A very short lava-rising stage.

World 8-2: Meteor Rain

Features raining meteors (Bowser fireballs).

World 8-3: Blue Lifts Fly!

Features blue lifts. Boom Boom is fought at the end of the stage.

World 8-4: Groundbreaking Skewers

A very chaotic stage with skewers that destroy the ground and twice as many meteors as 8-2. Bowser Jr. is fought at the end.

World 8-5: Bowser's Castle

The level starts outside the castle, until you go in the back and travel through sewer pipes to a boss room containing Bowser and Bowser Jr. Boom Boom is also seen very early on in the level, trapped in a cage after Bowser got mad at him.