The source code was a mess. It was written in Notch-era Java, messy and unoptimized, but the variable names were unsettling. There were no arrays for "Level 1," "Level 2," or "Boss." There was only one variable:
There was no title screen. No music. Just a pixellated, heavy-set silhouette standing on a platform of grey bricks. Below him, there was nothing but black. deep abyss 2d.jar
Always exercise caution when downloading .jar files from third-party sites, as they can be used to deliver malware if not sourced from reputable archival repositories. The source code was a mess