Perfect Circle Lab
Designed and built by James Sawyer

Perfect Circle Challenge

Warm up with as many practice circles as you like, then take three timed attempts. Highest accuracy wins.

Time Left 10 s
Current Accuracy 0%
Attempt 0 / 3
Best Accuracy 0%

Start by drawing a few practice circles. When you are ready for a timed run that counts, press "Start attempt 1" and draw one smooth loop without lifting your finger or mouse.

Leaderboard

Best scores are saved after three attempts. Only the highest score per name is kept. The top entries can be consumed by a dashboard via the scores API.

Latest score ghliu · 97.41% · 2026-01-16T17:01:17+00:00 · 172.18.0.2
Name Accuracy Added (UTC) IP
KarleyM 97.89% 2026-01-01T10:02:48+00:00 172.18.0.2
ghliu 97.41% 2026-01-16T17:01:17+00:00 172.18.0.2
ghilu 97.07% 2026-01-16T17:00:34+00:00 172.18.0.2
Js 96.45% 2025-12-26T18:01:54+00:00 172.18.0.5
more of an oval really 95.59% 2026-01-01T14:03:07+00:00 23.234.103.246
tob 94.97% 2026-01-16T16:43:14+00:00 172.18.0.2
noif 94.39% 2026-01-14T10:29:40+00:00 172.19.0.2
gg 93.82% 2026-01-06T04:03:21+00:00 172.19.0.4
BartM 91.14% 2025-12-16T21:04:57+00:00 80.1.117.75
Terry S 87.54% 2025-12-16T18:00:40+00:00 80.1.117.75
square 85.32% 2026-01-01T14:01:18+00:00 23.234.103.246