I'm uploading this here so I can submit it for the Glorious Trainwrecks & Babycastles event.
This level is compatible with standard KS v1.21.
Seven stages of puzzle platforming purple-and-greenness.
Get to the exit!
Jump on green blocks (X key) and press up and down to grow and shrink the blocks.
Don't crush yourself, get lazered, or fall into the spikes!