Achievement: Solve 10 2d problems
Rare
Solve 10 2d problems
800 XP
Solve 10 2d problems.
Recently completed by
Alexey11 5k, Nicezuka 4d, Lethologian 1d, Jérôme Riou 1k, Rikikilord3 1k, bianyang 1k, Nevare 1k, Bibigul Arzybaeva 5k, Michal Kruk 2k, swerch 1k
and 246 others.
