Achievement: Speed X

Speed X

Finish a collection of 4k or higher with an avg. time of under 30 seconds.*

*The collection must contain at least 100 problems.

158 users completed this achievement.

Completed by Галя, Irina, Bibigul Arzybaeva, Louise Roullier, Met, SofiaQu, Sun Tzu, DaAffegoat, TN BV, Araneae and more.