Achievement: Solve 10 4d problems
Solve 10 4d problems
![](/img/ac000i.png)
1400 XP
Solve 10 4d problems.
58 users completed this achievement.
Completed by Jslate, JaiSouisTravail, John, ecdave, Vincible, akirag, Alpha2.0, Meeeeew, lawliet, KuzKuz and more.