Achievement: Solve a 2d problem
Solve a 2d problem
![](/img/ac000i.png)
400 XP
Solve a 2d problem.
460 users completed this achievement.
Completed by jdo555, Muramasa, HumbertH, ilja, GoDave89, Kurokishi, Neri, kprist, nikbary, wasdik and more.