Simple platformer with color changing mechanic

This game is from ldjam.com, which is currently unavailable.
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I spent worst 48 hours of my life doing this. Bugs, bugs and bugs :/
Download & Source Code: https://www.dropbox.com/sh/bov2wsglxt6uk3x/AAAi9Z_uYnXB7kZ0SIlwFCAqa?dl=0
You need Java 8 to run this "masterpiece"