| Countries With One Word And Two O's | 0 | - | 4.94 | 55,030 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,358 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,974 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,985 |
| African East Coast | 0 | - | 4.96 | 94,939 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 50,360 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,265 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,459 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,607 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,686 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,786 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,201 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,270 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,254 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,103 |
| African Great Lakes | 0 | - | 4.82 | 65,046 |
| Name a Valid African Country | 0 | - | 4.98 | 152,825 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,035 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,250 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,992 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,925 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,324 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,047 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,569 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,453 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,941 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,029 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,174 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,866 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,491 |
| Africa A-Z | 0 | - | 4.57 | 46,345 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,422 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,399 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,789 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,789 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,940 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,121 |
| Famous People from Africa | 0 | - | 4.45 | 10,852 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,189 |
| Word Chain - Africa | 0 | - | 4.47 | 31,429 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,666 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,836 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,529 |
| Official European Union Languages | 0 | - | 4.97 | 236,367 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,606 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,782 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,963 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,585 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,912 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,953 |
| German Groups of Things | 0 | - | 4.46 | 38,290 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,864 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,305 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,302 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,139 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,912 |
| African Physical Geography | 0 | - | 4.51 | 31,557 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,037 |
| Geography of South Africa | 0 | - | 4.53 | 17,131 |
| History of South Africa | 0 | - | 4.60 | 17,592 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,524 |
| Word Chain - Australia | 0 | - | 4.37 | 38,001 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,233 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,894 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,106 |
| Asia Map Quiz | 0 | - | 4.99 | 905,959 |
| Countries of Africa | 0 | - | 5.00 | 2,504,775 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,726 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,802 |
| Provinces of South Africa | 0 | - | 4.74 | 21,326 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,968 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,725 |
| Australia Map Quiz | 0 | - | 4.94 | 342,255 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,603 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,174 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,455 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,854 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,852 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,754 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,080 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,373 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,487 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,352 |
| The Only European Country ... | 0 | - | 4.91 | 213,525 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,341 |
| Word Chain - France | 0 | - | 4.38 | 42,567 |
| Italian Foods | 0 | - | 4.30 | 72,125 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,530 |
| British Groups of Things | 0 | - | 4.25 | 82,657 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,484 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,330 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,926 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,414 |
| Random Country to Capital | 0 | - | 4.98 | 910,612 |
| Countries that Beat India | 0 | - | 4.41 | 62,550 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,280 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,322 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,490 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,473 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,164 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,428 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,936 |
| African Island Countries | 0 | - | 4.96 | 100,671 |
| Australian States and Territories | 0 | - | 4.95 | 140,557 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,990 |
| Australia True or False | 0 | - | 4.87 | 56,469 |
| Flags of North and South America | 0 | - | 4.99 | 365,711 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,115 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,081 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,962 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,367 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,544 |
| North America Map Quiz | 0 | - | 4.98 | 244,038 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,345 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,354 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,376 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,544 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,459 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,226 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,367 |
| Celtic Nations | 0 | - | 4.69 | 46,797 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,592 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,201 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,065 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,406 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,785 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,584 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,566 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,189 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,156 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,077 |
| Slavic Countries | 0 | - | 4.96 | 110,775 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,014 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,541 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,122 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,460 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,421 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,904 |
| Counties of England | 0 | - | 4.97 | 788,425 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,231 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,594 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,270 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,678 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,138 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,596 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,369 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,603 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,617 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,026 |
| Countries of the Middle East | 0 | - | 4.96 | 198,722 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,067 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,217 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,509 |
| Countries by Emojis | 0 | - | 4.99 | 235,852 |
| Capital Cities Chain | 0 | - | 4.84 | 81,817 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,890 |
| States of India | 0 | - | 4.94 | 189,724 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| African Geography A-Z | 0 | - | 4.33 | 21,411 |
| The Only African Country ... | 0 | - | 4.99 | 128,272 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,737 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,969 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,020 |
| Flags of Oceania | 0 | - | 5.00 | 254,668 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,882 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,309 |
| Australia Country Quiz | 0 | - | 4.43 | 69,237 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,017 |
| Regions of New Zealand | 0 | - | 4.85 | 28,102 |
| The Only American Country ... | 0 | - | 4.92 | 120,667 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,807 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,331 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,524 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,870 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,827 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,801 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,857 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,182 |
| American Foods | 0 | - | 3.66 | 39,269 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,767 |
| California Groups of Things | 0 | - | 4.25 | 45,252 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,973 |
| New York Groups of Things | 0 | - | 4.38 | 59,912 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,440 |
| American History Quotes #1 | 0 | - | 4.37 | 95,658 |
| American History Quotes #2 | 0 | - | 4.38 | 41,214 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,219 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,062 |
| US States Quiz | 0 | - | 5.00 | 16,681,298 |
| Movies by State | 0 | - | 4.27 | 40,435 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,299 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,270 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,968 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,232 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,671 |
