Balloon Boy (Sega Genesis/Mega Drive). NTSC. Score: 265 600. Stage: 1-8.

Game options shown at 0:04.
The attempt starts at 0:18.
Score at 12:49.
Full video (non-cropped and/or shortened): • Balloon Boy (Sega Gene...
It may also include: more details about the attempt or the run, other settings (not shown in this video), failed or worse attempts, system boot-up, name/initials, loading sequence, etc.
Played for Lvlupscore, Twin Galaxies, and the now-defunct Highscore dot com.