No Error Streak V
2000 XP
Make no error for 100 problems.
3/100
Uncommon
Recently completed by
sango chan 9k, 
Hidoshito 5k, 
Eugène Onéguine 3k, 
Ashenbark 2k, 
Vit Duginov 8k,
and 1613 others.
sango chan 9k, Hidoshito 5k, Eugène Onéguine 3k, Ashenbark 2k, Vit Duginov 8k,