| African Countries by First 2 Letters | 0 | - | 4.96 | 267,475 |
| African East Coast | 0 | - | 4.96 | 95,572 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,284 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,699 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,003 |
| Australia True or False | 0 | - | 4.87 | 56,692 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,211 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,211 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,855 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,119 |
| Geography of South Africa | 0 | - | 4.54 | 17,201 |
| History of South Africa | 0 | - | 4.60 | 17,642 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,413 |
| African Great Lakes | 0 | - | 4.82 | 65,749 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,828 |
| Provinces of South Africa | 0 | - | 4.74 | 21,556 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,945 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,454 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,513 |
| African Physical Geography | 0 | - | 4.51 | 31,626 |
| Africa A-Z | 0 | - | 4.57 | 46,509 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,603 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,215 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,492 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,240 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,621 |
| Famous People from Africa | 0 | - | 4.45 | 10,925 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,912 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,310 |
| Word Chain - Africa | 0 | - | 4.47 | 31,548 |
| Four Letter African Geography | 0 | - | 4.67 | 18,785 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.70 | 38,591 |
| Australian Capitals | 0 | - | 4.92 | 62,667 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,877 |
| Official European Union Languages | 0 | - | 4.97 | 237,739 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,368 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,693 |
| Germany True or False? | 0 | - | 4.61 | 48,668 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,297 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,887 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,683 |
| France Multiple Choice | 0 | - | 4.38 | 40,686 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,245 |
| Asia Map Quiz | 0 | - | 4.99 | 911,483 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,501 |
| Countries of Africa | 0 | - | 5.00 | 2,522,869 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,319 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,729 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,402 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,243 |
| Australia Map Quiz | 0 | - | 4.94 | 343,378 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,212 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,211 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,487 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,047 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,339 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,771 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,390 |
| The Only European Country ... | 0 | - | 4.91 | 215,301 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,417 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,683 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,261 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,405 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,709 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,684 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,274 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,300 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,941 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,728 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,870 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,816 |
| African Island Countries | 0 | - | 4.96 | 101,209 |
| Malawi Country Quiz | 0 | - | 4.58 | 19,951 |
| Mozambique Country Quiz | 0 | - | 4.46 | 22,092 |
| Namibia Country Quiz | 0 | - | 4.70 | 23,136 |
| Australian States and Territories | 0 | - | 4.96 | 141,423 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,154 |
| Flags of North and South America | 0 | - | 4.99 | 370,549 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,422 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,558 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,933 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,178 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,857 |
| North America Map Quiz | 0 | - | 4.98 | 246,792 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,563 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,108 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,058 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,898 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,702 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,323 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,573 |
| Celtic Nations | 0 | - | 4.69 | 46,878 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,863 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,200 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,746 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,561 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,806 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,132 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,463 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,636 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,429 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,791 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,556 |
| Slavic Countries | 0 | - | 4.96 | 111,296 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,780 |
| Counties of England | 0 | - | 4.97 | 792,961 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,791 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,495 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,858 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,279 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,767 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,624 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,378 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,030 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,076 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,655 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,567 |
| Countries of the Middle East | 0 | - | 4.96 | 199,962 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,368 |
| States of India | 0 | - | 4.94 | 191,857 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,497 |
| African Geography A-Z | 0 | - | 4.33 | 21,449 |
| The Only African Country ... | 0 | - | 4.99 | 128,742 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,946 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,452 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,756 |
| Flags of Oceania | 0 | - | 5.00 | 257,198 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,148 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,912 |
| Australia Country Quiz | 0 | - | 4.43 | 69,457 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,331 |
| Regions of New Zealand | 0 | - | 4.85 | 28,418 |
| The Only American Country ... | 0 | - | 4.92 | 121,208 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,762 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,467 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,949 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,476 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,333 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,556 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,230 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,898 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,196 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,517 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,711 |
| US States Quiz | 0 | - | 5.00 | 16,788,417 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,765 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,639 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,469 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,984 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,570 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,645 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,306 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,277 |
| Monarchies of Europe | 0 | - | 4.90 | 97,736 |
| European Countries with One Border | 0 | - | 4.97 | 182,185 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,052 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,723 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,598 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,523 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,397 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,506 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,563 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,870 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,225 |
| States of Germany | 0 | - | 4.96 | 151,209 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,613 |
| Regions of Italy | 0 | - | 4.92 | 75,269 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,190 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,250 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,782 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,440 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,384 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,713 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,624 |
| Champions League Winners | 0 | - | 4.92 | 1,001,186 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,188 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,548 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,829 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,792 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,828 |
| Monarchies of Asia | 0 | - | 4.97 | 70,859 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,658 |
| Provinces of Turkey | 0 | - | 4.95 | 203,075 |
| Provinces of China | 0 | - | 4.97 | 202,456 |
| Japanese Prefectures | 0 | - | 4.98 | 135,839 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,719 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,438 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,568 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,072 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,547 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,375 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,011 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,061 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,134 |
| States of India Map Quiz | 0 | - | 4.83 | 26,249 |
| Countries Bordering India | 0 | - | 4.98 | 163,223 |
| Countries Closest to India | 0 | - | 4.97 | 102,488 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,994 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,564 |
| Every African Country Shape | 0 | - | 4.90 | 86,697 |
