World 1 | Throwback Town
1-1: World 1-1/2.0
1-2: Downtown
1-3: Ghibli Hill Zone
1-4: Familiar Fortress
World 2 | Lake Pain
2-1: The Plain Level
2-2: Adult Swim
2-3: Anchovies
2-4: Newbie Crucible
World 3 | The Hills Over There
3-1: Highland Anarchy
3-2: Area 6
3-3: Vanilla Hill Zone
3-4: Switch Palace
World 4 | Windswept Plateau
4-1: Enter Lakitu
4-2: Cavern of Doom & Gloom
4-3: Mongolia
4-4: The Bastille
World 5 | Sudden Tundra
5-1: Ice Level (Mild)
5-2: Ice Level (Freezing)
5-3: Bulletgrad
5-4: Castle Haxxor
World 6 | Crasslands
6-1: Sequence Breaking
6-2: Baltic Sea
6-3: Anchovies Pt. 2
6-4: Temple of Curses
World 7 | Canyon Crevasse
7-1: Lakeside Murderhole
7-2: Cliffside Lake
7-3: Flying Birdo Zone
7-4: Toluca Prison
World 8 | Hammer Mountains
8-1: ???
8-2: ???
8-3: ???
8-4: ???
1-1: World 1-1/2.0
1-2: Downtown
1-3: Ghibli Hill Zone
1-4: Familiar Fortress
World 2 | Lake Pain
2-1: The Plain Level
2-2: Adult Swim
2-3: Anchovies
2-4: Newbie Crucible
World 3 | The Hills Over There
3-1: Highland Anarchy
3-2: Area 6
3-3: Vanilla Hill Zone
3-4: Switch Palace
World 4 | Windswept Plateau
4-1: Enter Lakitu
4-2: Cavern of Doom & Gloom
4-3: Mongolia
4-4: The Bastille
World 5 | Sudden Tundra
5-1: Ice Level (Mild)
5-2: Ice Level (Freezing)
5-3: Bulletgrad
5-4: Castle Haxxor
World 6 | Crasslands
6-1: Sequence Breaking
6-2: Baltic Sea
6-3: Anchovies Pt. 2
6-4: Temple of Curses
World 7 | Canyon Crevasse
7-1: Lakeside Murderhole
7-2: Cliffside Lake
7-3: Flying Birdo Zone
7-4: Toluca Prison
World 8 | Hammer Mountains
8-1: ???
8-2: ???
8-3: ???
8-4: ???