While not explicitly listed as a "68th Jam" in the snippet, discussions on the Decade Club Facebook page celebrate 68th birthdays and synth/retro, indicating a focus on older, established work.

are these RPGs for (GameMaker, RPG Maker, etc.)?

The archives show a continuous, high-quality output for these jams, focusing on unique, rapid-development RPGs and arcade-style games. To make this review more useful, could you tell me:

The 9th GMC Jam entry (often listed together in archives) includes A Beautiful Nightmare Livid .