Damn, addictive is right! Once you start you just have to finish, especially after the first 20 levels or so. Played it through in one setting, not the greatest score (kept dying repeatedly, especially in the last few levels), but here it is:
1378 seconds
622 deaths
grade 0% (compared to creator's score of 581 seconds)
The trickiest thing is recovering your proper direction right after dying!
- Oshyan