Here are a handful of hints for each puzzle.
Obviously there are spoilers here.

Don't scroll too far or you might reveal extra hints!













































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 Puzzle 1 - Flooded Dock
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* sprites that spawn at the topmost tile of the level will respawn immediately
  after despawning

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
* if an activated p-switch despawns before the 'crush' animation completes,
  it can be respawned and used again

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
* items that are bounced by blocks will move away from mario



















* even though small and super mario can jump the same height, super mario's
  extra height allows him to touch things a tile higher

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
* some carryable items are solid to mario and will prevent him from walking
  through them

-------------------------end of hints for this level---------------------------
  
  
  
  
  
  
  
  
  

  
  

  
  
  
-------------------------------------------------------------------------------
 Puzzle 2 - Haunted Forest
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* In the Romhack Races baserom, thrown grey shells require 2 bounces to stop
  moving. It changes color to green after the first bounce is used.
  In vanilla SMW it would appear green at all times
















  
* The 'eating block' sprite (which has the appearance of a brown block) will
  activate when mario stands on an actual brown block.

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
* Yellow coins become solid if a coin block is activated the tile below



















* When a shell-less koopa climbs into a '2 bounce shell', it becomes a
  low-bouncing parakoopa.

-------------------------end of hints for this level---------------------------
















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 Puzzle 3 - Pentacastle
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* You can re-enter the pipe to reset the room



















* If a silver p-switch is carried through a pipe, it will act as a blue
  p-switch despite its appearance
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
* If an enemy is transformed into a coin, it can be respawned unless the coin
  is collected
   
-------------------------end of hints for this level---------------------------  