| Australia True or False | 0 | - | 4.87 | 56,753 |
| Australian Capitals | 0 | - | 4.92 | 62,693 |
| Has Anyone Ever Done It #1 | 0 | - | 4.81 | 55,165 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,278 |
| Germany True or False? | 0 | - | 4.61 | 48,733 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,576 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,247 |
| Australia Country Quiz | 0 | - | 4.43 | 69,505 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,441 |
| Regions of New Zealand | 0 | - | 4.85 | 28,456 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,594 |
| Has Anyone Ever Done It #3 | 0 | - | 4.56 | 51,119 |
| Has Anyone Ever Done It #2 | 0 | - | 4.46 | 47,053 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,818 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,006 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,621 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,606 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,646 |
| General Knowledge True False #1 | 0 | - | 4.58 | 55,420 |
| General Knowledge True False #2 | 0 | - | 4.44 | 36,832 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,094 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,945 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,982 |
| Official European Union Languages | 0 | - | 4.97 | 238,078 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,582 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,598 |
| Country Confusion | 0 | - | 4.98 | 62,146 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,321 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,348 |
| Word Chain - Australia | 0 | - | 4.38 | 38,108 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,420 |
| France Multiple Choice | 0 | - | 4.38 | 40,701 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,338 |
| Asia Map Quiz | 0 | - | 4.99 | 914,194 |
| Has Anyone Ever Done It - U.S. Sports | 0 | - | 4.43 | 16,344 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,592 |
| Countries of Africa | 0 | - | 5.00 | 2,529,148 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,570 |
| African East Coast | 0 | - | 4.96 | 95,782 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,592 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,032 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,435 |
| Australia Map Quiz | 0 | - | 4.95 | 343,767 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,294 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,378 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,672 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,566 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,861 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,473 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,886 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,867 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,775 |
| The Only European Country ... | 0 | - | 4.91 | 215,912 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,720 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,744 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,590 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,661 |
| Major League Baseball True False | 0 | - | 4.13 | 8,591 |
| What's Bigger? #1 | 0 | - | 4.87 | 149,826 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,740 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,859 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,002 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,606 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,363 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,967 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,044 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,120 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,604 |
| African Island Countries | 0 | - | 4.96 | 101,396 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,008 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,105 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,671 |
| Australian States and Territories | 0 | - | 4.96 | 141,664 |
| Famous Australians by Description | 0 | - | 4.23 | 27,868 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australian Slang | 0 | - | 4.24 | 28,593 |
| Flags of North and South America | 0 | - | 4.99 | 371,749 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,503 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,066 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,247 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,050 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,183 |
| North America Map Quiz | 0 | - | 4.98 | 247,543 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,634 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,110 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,033 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,023 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,779 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,054 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,190 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,469 |
| Celtic Nations | 0 | - | 4.69 | 46,905 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,878 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,396 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,942 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,100 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,958 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,229 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,910 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,476 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,748 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,970 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,693 |
| Slavic Countries | 0 | - | 4.96 | 111,462 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,864 |
| Counties of England | 0 | - | 4.97 | 794,550 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,068 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,214 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,060 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,495 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,948 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,783 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,241 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,226 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,959 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,730 |
| Countries of the Middle East | 0 | - | 4.96 | 200,688 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,426 |
| States of India | 0 | - | 4.94 | 192,495 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,517 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,266 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,620 |
| The Only African Country ... | 0 | - | 4.98 | 128,903 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,048 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,624 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,303 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,963 |
| Flags of Oceania | 0 | - | 5.00 | 258,061 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,142 |
| The Only American Country ... | 0 | - | 4.92 | 121,378 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,906 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,509 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,418 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,684 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,527 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,807 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,344 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,135 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,312 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,711 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,801 |
| US States Quiz | 0 | - | 5.00 | 16,826,768 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,913 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,647 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,214 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,878 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,868 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,381 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,472 |
| Monarchies of Europe | 0 | - | 4.90 | 97,926 |
| European Countries with One Border | 0 | - | 4.97 | 182,474 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,284 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,887 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,853 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,097 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,250 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,682 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,574 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,652 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,258 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,702 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,094 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,516 |
| States of Germany | 0 | - | 4.96 | 151,792 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,858 |
| Regions of Italy | 0 | - | 4.92 | 75,516 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,789 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,599 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,975 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,960 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,522 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,997 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,656 |
| Champions League Winners | 0 | - | 4.92 | 1,003,504 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,391 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,745 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,012 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,237 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,985 |
| Monarchies of Asia | 0 | - | 4.97 | 70,960 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,762 |
| Provinces of Turkey | 0 | - | 4.95 | 203,564 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,748 |
| Provinces of China | 0 | - | 4.97 | 203,342 |
| Japanese Prefectures | 0 | - | 4.98 | 136,344 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,785 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,491 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,631 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,125 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,686 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,584 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,134 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,166 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,176 |
| States of India Map Quiz | 0 | - | 4.83 | 26,348 |
| Countries Bordering India | 0 | - | 4.98 | 163,308 |
| Countries Closest to India | 0 | - | 4.97 | 102,610 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,105 |
