This guide is for unlocking the Murawski Memorial easter egg within The Wonderful End of the World, as well as a 3rd secret (albeit very small) level.

STEPS TO UNLOCK

Unlock the in-game Grandmaster trophy by getting an A+ ranking on all 12 levels in the game.
This must be the in-game version, the game does not check your Steam achievements for this prerequisite.


Once Grandmaster is obtained, head to the title screen.


While on the title screen, press Alt+Shift+G simultaneously.
If done correctly, the message "Murawski Memorial Easter Egg Activated!" will be displayed on screen.


Hop into any level in the game to see its effects.

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WHAT DOES IT DO?

Gameplay is altered in various ways while this easter egg is active.

• The puppet starts at a larger size.
  
• The puppet will continue to walk in the last direction you put it on, and will get faster if you don't influence its movement in another direction.
  
• The puppet's is capable of running at huge speeds.
  
• Camera distance is absurdly up close to the puppet.
  
• The Most Refreshing graphic is replaced by an alternate Murawski Memorial Easter Egg graphic.
  
• All humans are replaced by dogs. This also applies to some other non-human models, but not all.

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The puppet becomes uncontrollable after a few seconds, and dog.
Dog.

• These gameplay modifications persist until you close the game.
  
• The accompanying UI element does not overwrite In The Beginning's controls tutorial.

The puppet at uncontrollable speeds will cause the camera to freak out. If you are sensitive to flashy images, I'd be cautious about trying this if I were you.


Note that you don't have to repeatedly re-input the code to unlock the easter egg after exiting a level, you only have to do it once. This was recorded before I realized the effects persist whether you re-input it or not.

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I do not know for sure, but this is what I found.

Within the game's code, this easter egg is referred to as "easter_egg_jimmy" and the code for its trigger condition is titled "Jimmy Koobrick Memorial Easter Egg." Although I couldn't find much information about a Jimmy Koobrick, there was a Jimmy Murawski who unfortunately passed in 2007, around the time of this game's development cycle.

I assume at least one or some of the developers knew of this Jimmy and wanted to honor him within this game after his passing, which is very sweet of them if that's the case.

There are two secret levels in the game that are already known and have guides on how to access them, those being the Crate and Portal levels. However, there is also a third secret level that can be accessed.

To access it, you must hold Shift+1 while entering the Megalopolis level, the same process as accessing the Crate and Portal levels.

The level is contained within a very small room, and not much can be absorbed at all. It doesn't play like an actual level that can be beaten. It also doesn't have its own song unlike the other two secret levels, reusing the Megalopolis level's song.

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Starting point is above this table.

Well lady.

All of the level's absorbable content is within that cubicle.

View of the level using GameStudio map viewer.

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Thank you for reading. If theres anything more about this easter egg or 3rd secret level then put it in the comments or something idk.