Solve 10 2d problems
800 XP
Solve 10 2d problems.
0/10
Uncommon
Recently completed by
MikoMiko93 1d, 
Игорь Наумов 1d, 
santiago rebolledo 2d, 
Jan šebela 1d, 
Елена Ефремова 2k, 
Ohm PP 1d,
and 371 others.