| European Countries by First 2 Letters | 0 | - | 4.96 | 491,940 |
| Uruguay Country Quiz | 0 | - | 4.82 | 29,010 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,573 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,336 |
| Australian Capitals | 0 | - | 4.92 | 61,117 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 31,960 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,932 |
| Official European Union Languages | 0 | - | 4.98 | 203,930 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,064 |
| Europe Map Quiz | 0 | - | 5.00 | 4,352,368 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,355,953 |
| Asia Map Quiz | 0 | - | 4.99 | 800,603 |
| Africa Map Quiz | 0 | - | 5.00 | 1,961,222 |
| Oceania Map Quiz | 0 | - | 4.98 | 576,856 |
| Celtic Nations | 0 | - | 4.76 | 45,043 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,646 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,353 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,825 |
| African East Coast | 0 | - | 4.97 | 85,796 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,259 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,639 |
| New World Crops | 0 | - | 4.33 | 22,918 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,768 |
| North American Physical Geography | 0 | - | 4.33 | 29,579 |
| Most Populous Native American Tribes | 0 | - | 4.32 | 11,826 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,994 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,375 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,122 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,292 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,358 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,308 |
| The Only European Country ... | 0 | - | 4.93 | 183,145 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,293,622 |
| Countries of Africa | 0 | - | 5.00 | 2,215,792 |
| Australia Map Quiz | 0 | - | 4.94 | 323,084 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,652 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,269 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 54,997 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,086 |
| United States Map Quiz | 0 | - | 4.98 | 3,933,867 |
| Counties of England | 0 | - | 4.97 | 704,308 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,853 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,667 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,630 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,193 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,184 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,796 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,236 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,059 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,186 |
| Countries of the Middle East | 0 | - | 4.96 | 176,917 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,468 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,637 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,320 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,751 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,609 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,475 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,641 |
| Top African Languages on a Map | 0 | - | 4.93 | 55,971 |
| African Island Countries | 0 | - | 4.96 | 91,073 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,126 |
| Australian States and Territories | 0 | - | 4.96 | 130,637 |
| Australian Immigration by Country | 0 | - | 4.81 | 72,322 |
| Australia Country Quiz | 0 | - | 4.44 | 58,238 |
| Australia True or False | 0 | - | 4.90 | 52,249 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,885 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,179 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,104 |
| South America Map Quiz | 0 | - | 5.00 | 1,436,807 |
| Countries of North America Quiz | 0 | - | 5.00 | 897,287 |
| North America Map Quiz | 0 | - | 4.98 | 204,024 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,201 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,203 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,273 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,034 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,035 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,066,531 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,208,781 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,188 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,180 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 190,540 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,661 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,799 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,441 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 288,944 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,594 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,410 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,930 |
| Slavic Countries | 0 | - | 4.96 | 101,581 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,087 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,712 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,380 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,503 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,041 |
| Counties of England Map Quiz | 0 | - | 4.97 | 290,006 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,408 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,505 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 93,429 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,364 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,396 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,450 |
| Monarchies of Asia | 0 | - | 4.95 | 54,799 |
| Provinces of Turkey | 0 | - | 4.95 | 180,829 |
| Provinces of China | 0 | - | 4.98 | 161,309 |
| Japanese Prefectures | 0 | - | 4.98 | 110,560 |
| States of India | 0 | - | 4.92 | 159,802 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,539 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,485 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,107 |
| The Only African Country ... | 0 | - | 4.99 | 121,154 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,252 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,784 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,624 |
| Flags of Oceania | 0 | - | 5.00 | 220,597 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,621 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 133,260 |
| Regions of New Zealand | 0 | - | 4.83 | 24,973 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,050 |
| The Only American Country ... | 0 | - | 4.94 | 111,508 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,298 |
| Paraguay... or Uruguay? | 0 | - | 4.53 | 25,567 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,341 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,810 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,502 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,996 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,260 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,488 |
| The U.S. Pledge of Allegiance | 0 | - | 3.97 | 17,715 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,269 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,018 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,368 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 85,457 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,308 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,025 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,314 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,997 |
| Monarchies of Europe | 0 | - | 4.89 | 88,214 |
| European Countries with One Border | 0 | - | 4.96 | 152,591 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,497 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,790 |
| Federal Subjects of Russia | 0 | - | 4.95 | 116,917 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,117 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,306 |
| France Immigration by Country | 0 | - | 4.81 | 70,270 |
| States of Germany Map Quiz | 0 | - | 4.91 | 121,994 |
| States of Germany | 0 | - | 4.94 | 127,095 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,351 |
| Counties of Ireland | 0 | - | 4.90 | 163,490 |
| Regions of Italy | 0 | - | 4.89 | 62,070 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,533 |
| UK Cities Map Quiz | 0 | - | 4.95 | 438,062 |
| Champions League Winners | 0 | - | 4.91 | 893,031 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 47,011 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 82,113 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.42 | 251,995 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 40,732 |
| China's Territorial Disputes | 0 | - | 4.42 | 33,216 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 295,587 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,284 |
| Mediterranean Geography on a Map | 0 | - | 4.50 | 34,995 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,890 |
| Word Scramble - European Countries | 0 | - | 4.76 | 127,933 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,427 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,308 |
| Slavic Languages | 0 | - | 4.64 | 49,439 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 87,586 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,577 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,401 |
| UK Immigration by Country | 0 | - | 4.94 | 127,369 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,627 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,378 |
| England or Wales? | 0 | - | 4.93 | 41,025 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,062 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,278 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 86,162 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,861 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,587 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,711 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,721 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 71,646 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,379 |
| China Cities Map Quiz | 0 | - | 4.88 | 90,057 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 84,497 |
| Japan Country Quiz | 0 | - | 4.92 | 121,466 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,254 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 53,183 |
| African Great Lakes | 0 | - | 4.85 | 55,042 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,459 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,348 |
| Palau Country Quiz | 0 | - | 4.87 | 20,798 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 85,212 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 61,161 |
| Countries Closest to Australia | 0 | - | 4.99 | 147,003 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,711 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,985 |
| States of Mexico | 0 | - | 4.94 | 145,181 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,862 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,140 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,820 |
| States of Brazil | 0 | - | 4.97 | 71,104 |
