Please note the rules for the Jam. You're welcome to resubmit an entry that follows them.

Summarized rules: (full ones on gbdev.io)

This competition is about making software that can run on actual game boy hardware.

• The entry must implement/interpret the jam theme (applies to Game category only).
• The final deliverable must consist of a GB or GBC ROM file.
• GBC features are allowed (entries may be GBC only)
• SGB features are allowed (but don't rely on them)
• You can use RGBDS (ASM), GBDK (C), ZGB (C), GB Studio, GBSDK(C+RGBDS ASM) or anything that produces a valid ROM.