| Uruguay Country Quiz | 0 | - | 4.84 | 31,718 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,878 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,661 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,761 |
| North America Map Quiz | 0 | - | 4.98 | 250,946 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,038 |
| States of Mexico | 0 | - | 4.96 | 177,722 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,337 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,587 |
| States of Brazil | 0 | - | 4.97 | 89,306 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,352 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,898 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,817 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,896 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,581 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,656 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,346 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,077 |
| Australian Capitals | 0 | - | 4.92 | 62,809 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,295 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,556 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,593 |
| Official European Union Languages | 0 | - | 4.97 | 239,487 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,483 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,594 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,140 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,789 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,685 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,309 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,270 |
| Asia Map Quiz | 0 | - | 4.99 | 923,331 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,354 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,306 |
| Australia Map Quiz | 0 | - | 4.95 | 345,847 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| New World Crops | 0 | - | 4.38 | 30,939 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,836 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,531 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,830 |
| Word Chain - South America | 0 | - | 4.51 | 23,977 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,251 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,416 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,143 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,517 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,848 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,355 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,794 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,236 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,791 |
| The Only European Country ... | 0 | - | 4.91 | 218,456 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,208 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,006 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,714 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,384 |
| Countries of Africa | 0 | - | 5.00 | 2,553,813 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,654 |
| African East Coast | 0 | - | 4.96 | 96,594 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,436 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,476 |
| Australian States and Territories | 0 | - | 4.96 | 142,660 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia True or False | 0 | - | 4.87 | 57,082 |
| Flags of North and South America | 0 | - | 4.99 | 375,996 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,444 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,332 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,245 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,320 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,336 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,103 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,315 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,990 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,318 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,862 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,317 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,628 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,905 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,288 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,093 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,123 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,971 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,656 |
| Slavic Countries | 0 | - | 4.96 | 112,209 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,633 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,356 |
| Counties of England | 0 | - | 4.97 | 801,482 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,310 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,498 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,645 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,393 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,740 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,018 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,612 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,145 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,913 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,303 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,437 |
| Countries of the Middle East | 0 | - | 4.96 | 202,324 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,690 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,413 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,019 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,118 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,329 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,105 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,993 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,374 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,979 |
| African Island Countries | 0 | - | 4.96 | 102,278 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,347 |
| Flags of Oceania | 0 | - | 5.00 | 261,967 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,616 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,340 |
| Australia Country Quiz | 0 | - | 4.43 | 69,786 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,901 |
| Regions of New Zealand | 0 | - | 4.84 | 28,679 |
| The Only American Country ... | 0 | - | 4.92 | 122,076 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,529 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,064 |
| Famous People from South America | 0 | - | 4.15 | 22,061 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,287 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,657 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,750 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,784 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,628 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,822 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,397 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,829 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,181 |
| US States Quiz | 0 | - | 5.00 | 16,966,555 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,871 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,399 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,585 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,354 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,263 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,256 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,639 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,700 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,308 |
| Monarchies of Europe | 0 | - | 4.90 | 98,685 |
| European Countries with One Border | 0 | - | 4.97 | 183,540 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,291 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,319 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,118 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,023 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,345 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,393 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,584 |
| States of Germany | 0 | - | 4.95 | 154,074 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,564 |
| Regions of Italy | 0 | - | 4.92 | 76,755 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,675 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,061 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,633 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,000 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,398 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,717 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,813 |
| Champions League Winners | 0 | - | 4.92 | 1,013,707 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,894 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,634 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,925 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,102 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,646 |
| Monarchies of Asia | 0 | - | 4.97 | 71,411 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,205 |
| Provinces of Turkey | 0 | - | 4.94 | 205,469 |
| Provinces of China | 0 | - | 4.97 | 207,148 |
| Japanese Prefectures | 0 | - | 4.98 | 138,542 |
| States of India | 0 | - | 4.95 | 195,293 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,925 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,513 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,210 |
| The Only African Country ... | 0 | - | 4.99 | 129,533 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,323 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,741 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,304 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,883 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,660 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,347 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,747 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,901 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,619 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,668 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,875 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,080 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,528 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,630 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,769 |
| Palau Country Quiz | 0 | - | 4.90 | 23,109 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,828 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,492 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,439 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,310 |
