| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,929 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| North America Map Quiz | 0 | - | 4.98 | 250,922 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,883 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,035 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,590 |
| Official European Union Languages | 0 | - | 4.97 | 239,475 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,482 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,556 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,580 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,655 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,874 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,657 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,716 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,687 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,293 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,684 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,352 |
| 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 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,833 |
| Slavic Languages | 0 | - | 4.67 | 54,623 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,979 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,337 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,636 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,068 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,816 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,241 |
| Top World Languages | 0 | - | 4.92 | 827,869 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,397 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,787 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,870 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,460 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,096 |
| Australian Capitals | 0 | - | 4.92 | 62,808 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,286 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,245 |
| Asia Map Quiz | 0 | - | 4.99 | 923,290 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,310 |
| Countries by Official Language | 0 | - | 4.95 | 195,744 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,043 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,258 |
| Countries in their Native Language | 0 | - | 4.99 | 199,518 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,737 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,423 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,337 |
| Wikipedia Languages | 0 | - | 4.97 | 127,428 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,220 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,305 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| New World Crops | 0 | - | 4.38 | 30,939 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,507 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,848 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,337 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,234 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,784 |
| The Only European Country ... | 0 | - | 4.91 | 218,436 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,201 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,005 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,713 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,647 |
| African East Coast | 0 | - | 4.96 | 96,589 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,433 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,688 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,896 |
| Top Five Languages by Language Family | 0 | - | 4.99 | 54,347 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,619 |
| All Wikipedia Languages | 0 | - | 4.95 | 28,665 |
| German-Speaking Countries | 0 | - | 4.92 | 145,934 |
| Italian Name Translation | 0 | - | 4.83 | 47,719 |
| French-Speaking Countries | 0 | - | 4.85 | 271,399 |
| Australia Map Quiz | 0 | - | 4.95 | 345,824 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,178 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,782 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,356 |
| Countries of Africa | 0 | - | 5.00 | 2,553,691 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,475 |
| Australian States and Territories | 0 | - | 4.96 | 142,648 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,452 |
| Australia True or False | 0 | - | 4.87 | 57,079 |
| Flags of North and South America | 0 | - | 4.99 | 375,979 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,422 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,306 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,761 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,176 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,297 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,307 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,097 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,234 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,946 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,314 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,858 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,299 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,626 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,901 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,243 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,073 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,112 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,967 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,653 |
| Slavic Countries | 0 | - | 4.96 | 112,207 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,630 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,347 |
| Counties of England | 0 | - | 4.97 | 801,443 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,268 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,474 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,641 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,385 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,737 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,016 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,605 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,140 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,912 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,293 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,435 |
| Countries of the Middle East | 0 | - | 4.96 | 202,317 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,413 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,992 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,107 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,324 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,100 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,989 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,363 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,970 |
| African Island Countries | 0 | - | 4.96 | 102,273 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,337 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,577 |
| English Speaking Countries | 0 | - | 4.64 | 357,992 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,236 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,857 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,667 |
| Flags of Oceania | 0 | - | 5.00 | 261,949 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,596 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,333 |
| Australia Country Quiz | 0 | - | 4.43 | 69,784 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,898 |
| Regions of New Zealand | 0 | - | 4.84 | 28,679 |
| The Only American Country ... | 0 | - | 4.92 | 122,074 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,523 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,275 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,653 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,738 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,783 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,626 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,820 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,828 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,180 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,392 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,580 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,351 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,258 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,252 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,634 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,699 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,302 |
| Monarchies of Europe | 0 | - | 4.90 | 98,679 |
| European Countries with One Border | 0 | - | 4.97 | 183,533 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,282 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,313 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,115 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,766 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,526 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,651 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,735 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,994 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,342 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,385 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,576 |
| States of Germany | 0 | - | 4.95 | 154,062 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,558 |
| Regions of Italy | 0 | - | 4.92 | 76,747 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,666 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,056 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,632 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,979 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,394 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,705 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,812 |
| Champions League Winners | 0 | - | 4.92 | 1,013,604 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,892 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,628 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,921 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,085 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,643 |
| Monarchies of Asia | 0 | - | 4.97 | 71,408 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,203 |
| Provinces of Turkey | 0 | - | 4.94 | 205,462 |
| Provinces of China | 0 | - | 4.97 | 207,132 |
| Japanese Prefectures | 0 | - | 4.98 | 138,533 |
| States of India | 0 | - | 4.95 | 195,267 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,921 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,511 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,205 |
| The Only African Country ... | 0 | - | 4.99 | 129,530 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,323 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,718 |
