osunator / human or machine?

What this is

You'll watch 10 pairs of osu! replay clips (~20 seconds each). In every pair, one clip is a real human play and the other was generated by a neural network same map, same section. Your job: pick the human.

Takes about 15 minutes. You can change any answer on the review screen before submitting. After you submit, you'll see your score and which clips were which.

What we store: your answers, an experience bracket you choose, rough timing, and a hashed (non-reversible) network identifier to detect duplicate submissions. No account, no name, no email.

Results feed an academic writeup on whether generated replays are distinguishable from human play. Please don't participate twice.