| Australia True or False | 0 | - | 4.87 | 56,685 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,208 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,461 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,904 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,451 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,188 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,228 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,123 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,483 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,620 |
| Australian Capitals | 0 | - | 4.92 | 62,665 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,436 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,872 |
| Official European Union Languages | 0 | - | 4.97 | 237,715 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,354 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,275 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,178 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,793 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,653 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,192 |
| Asia Map Quiz | 0 | - | 4.99 | 911,343 |
| France Multiple Choice | 0 | - | 4.38 | 40,686 |
| Countries of Africa | 0 | - | 5.00 | 2,522,449 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,306 |
| African East Coast | 0 | - | 4.96 | 95,563 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,393 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,240 |
| Australia Map Quiz | 0 | - | 4.94 | 343,341 |
| New World Crops | 0 | - | 4.37 | 30,662 |
| North American Physical Geography | 0 | - | 4.35 | 30,386 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,178 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,484 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,023 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,317 |
| Celtic Nations | 0 | - | 4.69 | 46,877 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,764 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,378 |
| The Only European Country ... | 0 | - | 4.91 | 215,265 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,390 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,675 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,253 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,314 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,497 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,668 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,283 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,932 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,717 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,862 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,801 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,262 |
| African Island Countries | 0 | - | 4.96 | 101,198 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,690 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,998 |
| Australian States and Territories | 0 | - | 4.96 | 141,399 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,150 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,419 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,548 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,913 |
| North America Map Quiz | 0 | - | 4.98 | 246,755 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,559 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,072 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,889 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,697 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,321 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,190 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,739 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,533 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,794 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,127 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,418 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,608 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,414 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,783 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,553 |
| Slavic Countries | 0 | - | 4.96 | 111,288 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,774 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,847 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,267 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,759 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,606 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,366 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,015 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,060 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,643 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,557 |
| Countries of the Middle East | 0 | - | 4.96 | 199,927 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,366 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,707 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,171 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,411 |
| Australia Country Quiz | 0 | - | 4.43 | 69,453 |
| Flags of North and South America | 0 | - | 4.99 | 370,468 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,092 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,656 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,747 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,052 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,014 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,352 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,752 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,302 |
| Counties of England | 0 | - | 4.97 | 792,869 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,728 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,391 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,715 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,436 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,566 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,072 |
| States of India | 0 | - | 4.94 | 191,818 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,211 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,490 |
| The Only African Country ... | 0 | - | 4.99 | 128,729 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,941 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,446 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,815 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,748 |
| Flags of Oceania | 0 | - | 5.00 | 257,153 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,143 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,883 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,322 |
| Regions of New Zealand | 0 | - | 4.85 | 28,409 |
| The Only American Country ... | 0 | - | 4.92 | 121,199 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,757 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,916 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,467 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,328 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,545 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,226 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,894 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,188 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,327 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,505 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,709 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,758 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,638 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,456 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,978 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,552 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,635 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,275 |
| Monarchies of Europe | 0 | - | 4.90 | 97,726 |
| European Countries with One Border | 0 | - | 4.97 | 182,171 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,036 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,719 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,588 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,899 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,014 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,519 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,383 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,424 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,561 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,849 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,203 |
| States of Germany | 0 | - | 4.96 | 151,178 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,599 |
| Regions of Italy | 0 | - | 4.92 | 75,248 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 49,897 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,234 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,763 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,412 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,373 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,695 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,624 |
| Champions League Winners | 0 | - | 4.92 | 1,001,076 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,180 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,536 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,819 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,761 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,820 |
| Monarchies of Asia | 0 | - | 4.97 | 70,850 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,651 |
| Provinces of Turkey | 0 | - | 4.95 | 203,031 |
| Provinces of China | 0 | - | 4.97 | 202,409 |
| Japanese Prefectures | 0 | - | 4.98 | 135,830 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,539 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,365 |
| States of India Map Quiz | 0 | - | 4.83 | 26,240 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,988 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,557 |
| African Great Lakes | 0 | - | 4.82 | 65,733 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,203 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,800 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,817 |
| Name a Valid African Country | 0 | - | 4.98 | 153,467 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,663 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,932 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,263 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,202 |
| Palau Country Quiz | 0 | - | 4.90 | 22,927 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,403 |
| Countries that Visit Australia the Most | 0 | - | 4.91 | 68,791 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,572 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,371 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,449 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,149 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,491 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,156 |
| States of Mexico | 0 | - | 4.95 | 174,846 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,209 |
