| Uruguay Country Quiz | 0 | - | 4.83 | 31,347 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,136 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,143 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,598 |
| North America Map Quiz | 0 | - | 4.98 | 244,332 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,370 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,594 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,876 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,009 |
| States of Mexico | 0 | - | 4.95 | 173,290 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,128 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,913 |
| States of Brazil | 0 | - | 4.98 | 86,344 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,252 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,482 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,073 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,577 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,594 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,884 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,361 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,232 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,874 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,120 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,425 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,568 |
| Official European Union Languages | 0 | - | 4.97 | 236,475 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,676 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,088 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,470 |
| Asia Map Quiz | 0 | - | 4.99 | 906,756 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,788 |
| African East Coast | 0 | - | 4.96 | 95,014 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,899 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,773 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,192 |
| New World Crops | 0 | - | 4.33 | 23,501 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| North American Physical Geography | 0 | - | 4.35 | 30,352 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,404 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,256 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,061 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,187 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,916 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,525 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,488 |
| The Only European Country ... | 0 | - | 4.91 | 213,739 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,472 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,555 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,431 |
| Countries of Africa | 0 | - | 5.00 | 2,506,875 |
| Australia Map Quiz | 0 | - | 4.94 | 342,420 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,611 |
| History of Mexico | 0 | - | 4.58 | 15,228 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,187 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,467 |
| Word Chain - South America | 0 | - | 4.51 | 23,761 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,253 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,083 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,517 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,787 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,249 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,635 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,426 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,053 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,583 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,542 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,232 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,485 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,052 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,385 |
| African Island Countries | 0 | - | 4.96 | 100,755 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,595 |
| Australian States and Territories | 0 | - | 4.95 | 140,669 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,008 |
| Australia True or False | 0 | - | 4.87 | 56,494 |
| Flags of North and South America | 0 | - | 4.99 | 366,865 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,120 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,970 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,311 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,743 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,795 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,486 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,979 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,480 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,679 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,258 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,252 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,449 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,828 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,764 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,798 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,311 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,222 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,168 |
| Slavic Countries | 0 | - | 4.96 | 110,827 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,039 |
| Counties of England | 0 | - | 4.97 | 788,960 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,281 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,329 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,735 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,207 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,676 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,457 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,654 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,733 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,137 |
| Countries of the Middle East | 0 | - | 4.96 | 198,853 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,237 |
| States of India | 0 | - | 4.94 | 189,956 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,144 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,237 |
| The Only African Country ... | 0 | - | 4.99 | 128,334 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,769 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,041 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,286 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,074 |
| Flags of Oceania | 0 | - | 5.00 | 255,038 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,905 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,403 |
| Australia Country Quiz | 0 | - | 4.43 | 69,268 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,042 |
| Regions of New Zealand | 0 | - | 4.85 | 28,122 |
| The Only American Country ... | 0 | - | 4.92 | 120,725 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,315 |
| Famous People from South America | 0 | - | 4.15 | 21,784 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,716 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,927 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,912 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,937 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,287 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,846 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,286 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,040 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,471 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,660 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,346 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,312 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,334 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,812 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,191 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,129 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,770 |
| Monarchies of Europe | 0 | - | 4.90 | 97,290 |
| European Countries with One Border | 0 | - | 4.97 | 181,582 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,491 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,205 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,898 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,916 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,165 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,088 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,663 |
| States of Germany | 0 | - | 4.96 | 149,978 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,993 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,513 |
| Regions of Italy | 0 | - | 4.92 | 74,674 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,786 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,283 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,124 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,071 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,886 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,048 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,402 |
| Champions League Winners | 0 | - | 4.92 | 996,022 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,982 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,998 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,325 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,711 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,373 |
| Monarchies of Asia | 0 | - | 4.97 | 70,587 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,422 |
| Provinces of Turkey | 0 | - | 4.95 | 200,890 |
| Provinces of China | 0 | - | 4.97 | 200,038 |
| Japanese Prefectures | 0 | - | 4.98 | 134,499 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,193 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,839 |
| States of India Map Quiz | 0 | - | 4.82 | 26,019 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,764 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,318 |
| African Great Lakes | 0 | - | 4.82 | 65,107 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,844 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,343 |
| Name a Valid African Country | 0 | - | 4.98 | 152,907 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,475 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,810 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,031 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,040 |
| Palau Country Quiz | 0 | - | 4.89 | 22,833 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,199 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,468 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,179 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,291 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,343 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,058 |
