Round 81

This round's challenge:
Goodbye Charlie
Guajiboan languages

Round 80

This round's challenge:
Deforestation of the Amazon Rainforest
Convoy's Wharf

Round 79

This round's challenge:
Allal Ab Aljallil Abd Al Rahman Abd
Fromentières, Mayenne

Round 78

This round's challenge:
Gerald J. Ford
1991 World Championships in Athletics

Round 77

This round's challenge:
Zhuxi
Leandre Griffit

Round 76

This round's challenge:
Independiente Records
Kosice (Hradec Králové Region)

Round 75

This round's challenge:
Telesoft Technologies
Vacaria