No Error Streak V
2000 XP
Make no error for 100 problems.
100/100
Uncommon
Recently completed by
Simon Fadda 6k, 
Ilya Job 5k, 
Thomas Shehan 9k, 
Furisato Ritsuka 6k, 
Cyril Morel 6k, 
Eric Kinzel 6k,
and 1595 others.
