| Uruguay Country Quiz | 0 | - | 4.84 | 31,517 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,083 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,686 |
| North America Map Quiz | 0 | - | 4.98 | 247,661 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,652 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,036 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,545 |
| States of Mexico | 0 | - | 4.95 | 175,489 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,776 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,662 |
| States of Brazil | 0 | - | 4.97 | 87,634 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,195 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,692 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,694 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,867 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,172 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,234 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,497 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,675 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,847 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,469 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,997 |
| Official European Union Languages | 0 | - | 4.97 | 238,122 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,611 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,393 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,600 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,567 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,447 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,489 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,503 |
| Asia Map Quiz | 0 | - | 4.99 | 914,439 |
| Countries of Africa | 0 | - | 5.00 | 2,530,022 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,598 |
| African East Coast | 0 | - | 4.96 | 95,827 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,605 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,451 |
| Australia Map Quiz | 0 | - | 4.95 | 343,831 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,249 |
| New World Crops | 0 | - | 4.37 | 30,835 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,713 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,311 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| Word Chain - South America | 0 | - | 4.51 | 23,872 |
| North American Physical Geography | 0 | - | 4.35 | 30,401 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,910 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,435 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,257 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,601 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,958 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,732 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,578 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,533 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,938 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,878 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,826 |
| The Only European Country ... | 0 | - | 4.91 | 215,980 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,766 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,755 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,631 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,833 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,867 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,238 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,637 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,383 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,994 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,157 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,673 |
| African Island Countries | 0 | - | 4.96 | 101,421 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,056 |
| Australian States and Territories | 0 | - | 4.96 | 141,693 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,230 |
| Australia True or False | 0 | - | 4.87 | 56,767 |
| Flags of North and South America | 0 | - | 4.99 | 371,875 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,281 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,286 |
| South American Physical Geography | 0 | - | 4.58 | 18,329 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,531 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,344 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,149 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,788 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,360 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,906 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,190 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,421 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,967 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,162 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,982 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,245 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,962 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,599 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,795 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,999 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,723 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,284 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,873 |
| Counties of England | 0 | - | 4.97 | 794,787 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,179 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,414 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,083 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,525 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,968 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,806 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,651 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,273 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,247 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,998 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,757 |
| Countries of the Middle East | 0 | - | 4.96 | 200,731 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,436 |
| States of India | 0 | - | 4.94 | 192,603 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,529 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,277 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,635 |
| The Only African Country ... | 0 | - | 4.98 | 128,924 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,646 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,406 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,983 |
| Flags of Oceania | 0 | - | 5.00 | 258,153 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,257 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,176 |
| Australia Country Quiz | 0 | - | 4.43 | 69,518 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,449 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| The Only American Country ... | 0 | - | 4.92 | 121,400 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,931 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,010 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,481 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,700 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,840 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,358 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,167 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,343 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,735 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,818 |
| US States Quiz | 0 | - | 5.00 | 16,830,920 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,768 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,931 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,245 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,904 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,902 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,390 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,499 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| European Countries with One Border | 0 | - | 4.97 | 182,510 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,316 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,943 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,881 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,387 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,723 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,145 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,539 |
| States of Germany | 0 | - | 4.96 | 151,903 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,885 |
| Regions of Italy | 0 | - | 4.92 | 75,539 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,866 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,633 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,005 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,018 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,550 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,020 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| Champions League Winners | 0 | - | 4.92 | 1,003,707 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,405 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,772 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,044 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,286 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,997 |
| Monarchies of Asia | 0 | - | 4.97 | 70,977 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,774 |
| Provinces of Turkey | 0 | - | 4.95 | 203,652 |
| Provinces of China | 0 | - | 4.97 | 203,459 |
| Japanese Prefectures | 0 | - | 4.98 | 136,425 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,707 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,609 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,145 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,177 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,181 |
| States of India Map Quiz | 0 | - | 4.83 | 26,372 |
| Countries Bordering India | 0 | - | 4.98 | 163,321 |
| Countries Closest to India | 0 | - | 4.97 | 102,631 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,122 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,651 |
| African Great Lakes | 0 | - | 4.82 | 66,032 |
| Every African Country Shape | 0 | - | 4.90 | 87,014 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,445 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,065 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,335 |
| Name a Valid African Country | 0 | - | 4.98 | 153,754 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,720 |
