Super Mario Bros.: The Lost Levels · walkthrough
World 4
Underground and castle pressure increase. Warps here skip ahead and cost World 9. Previous and next stage links sit under each area.
World 4-1
Flagpole.
How to progress
- Overworld with cruel pit placement. Check for invisible blocks before committed jumps.
- Poison still in the pool of ? blocks.
- Flagpole.
Hazards that matter
- Pits
- poison mushrooms
World 4-2
Underground flagpole or warp.
How to progress
- Underground. Ceiling warp possible. Skip it for World 9.
- Piranhas in unexpected pipes.
- Exit pipe, flagpole.
Hazards that matter
- Piranha Plants
- warp temptation
World 4-3
Athletic flagpole.
How to progress
- Athletic wind. Super Spring if present — it launches farther than it looks.
- Flagpole.
- Do not bounce backward into a pit.
Hazards that matter
- Wind
- springs
World 4-4
Axe.
How to progress
- Castle. Axe. Impostor.
- Maze-like bars. Move when they are vertical or horizontal, not diagonal across your path.
- Toad.
Hazards that matter
- Fire-bars
- lava