| Countries With One Word And Two O's | 0 | - | 4.92 | 56,276 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,866 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,460 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,815 |
| African East Coast | 0 | - | 4.96 | 96,461 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,186 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,486 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,784 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,162 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,507 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,032 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,414 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,771 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,575 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,951 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,123 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,773 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,918 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,147 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,110 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,405 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,599 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,317 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,417 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,857 |
| African Great Lakes | 0 | - | 4.82 | 66,717 |
| Name a Valid African Country | 0 | - | 4.98 | 154,621 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,324 |
| Word Chain - Africa | 0 | - | 4.47 | 31,675 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,650 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,976 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,825 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,127 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,707 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,249 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,102 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,231 |
| African Physical Geography | 0 | - | 4.51 | 31,768 |
| Africa A-Z | 0 | - | 4.57 | 46,723 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,873 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,306 |
| Australian Capitals | 0 | - | 4.92 | 62,787 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,478 |
| Official European Union Languages | 0 | - | 4.97 | 239,250 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,316 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,854 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,418 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,075 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,370 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,341 |
| German Groups of Things | 0 | - | 4.47 | 38,568 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,569 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,598 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,658 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,319 |
| Famous People from Africa | 0 | - | 4.45 | 10,977 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,444 |
| Four Letter African Geography | 0 | - | 4.67 | 19,586 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,206 |
| Geography of South Africa | 0 | - | 4.54 | 17,287 |
| History of South Africa | 0 | - | 4.60 | 17,730 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,950 |
| Word Chain - Australia | 0 | - | 4.38 | 38,197 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,640 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,824 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,589 |
| Asia Map Quiz | 0 | - | 4.99 | 921,831 |
| Africa Map Quiz | 0 | - | 5.00 | 2,124,367 |
| Provinces of South Africa | 0 | - | 4.74 | 21,846 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,108 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,102 |
| Australia Map Quiz | 0 | - | 4.95 | 345,557 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,821 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,777 |
| United States Map Quiz | 0 | - | 4.98 | 4,166,088 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,190 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,801 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,049 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,477 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,800 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,180 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,466 |
| The Only European Country ... | 0 | - | 4.91 | 217,997 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,981 |
| Word Chain - France | 0 | - | 4.38 | 42,881 |
| Italian Foods | 0 | - | 4.30 | 73,057 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,968 |
| British Groups of Things | 0 | - | 4.25 | 82,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,076 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,887 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,579 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,717 |
| Countries of Africa | 0 | - | 5.00 | 2,550,028 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,485 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,786 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,331 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,920 |
| Random Country to Capital | 0 | - | 4.98 | 924,556 |
| Australian States and Territories | 0 | - | 4.96 | 142,477 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,414 |
| Australia True or False | 0 | - | 4.87 | 57,021 |
| Flags of North and South America | 0 | - | 4.99 | 375,264 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,814 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,565 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,300 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,024 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,679 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,620 |
| North America Map Quiz | 0 | - | 4.98 | 250,088 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,879 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,587 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,563 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,408 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,026 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,458 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,734 |
| Celtic Nations | 0 | - | 4.69 | 47,042 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,176 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,737 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,932 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,525 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,805 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,857 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,339 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,921 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,795 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,552 |
| Slavic Countries | 0 | - | 4.96 | 112,080 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,559 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,283 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,262 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,495 |
| Most Common First Names in Spain | 0 | - | 4.29 | 52,810 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,866 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,062 |
| Counties of England | 0 | - | 4.97 | 800,411 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,368 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,343 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,547 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,250 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,611 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,857 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,440 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,994 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,803 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,085 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,305 |
| Countries of the Middle East | 0 | - | 4.96 | 202,052 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,508 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,655 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,211 |
| Countries that Beat India | 0 | - | 4.42 | 63,173 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,341 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,824 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,903 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,207 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,953 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,868 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,161 |
| African Island Countries | 0 | - | 4.96 | 102,130 |
| Countries by Emojis | 0 | - | 4.99 | 240,867 |
| Capital Cities Chain | 0 | - | 4.84 | 83,104 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,250 |
| Flags of Oceania | 0 | - | 5.00 | 261,308 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,501 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,162 |
| Australia Country Quiz | 0 | - | 4.43 | 69,737 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,811 |
| Regions of New Zealand | 0 | - | 4.84 | 28,636 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,659 |
| The Only American Country ... | 0 | - | 4.92 | 121,953 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 42,918 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,967 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,386 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,372 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,963 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,554 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,709 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,485 |
| American Foods | 0 | - | 3.66 | 39,421 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,738 |
| Names of Generations | 0 | - | 4.09 | 45,313 |
| California Groups of Things | 0 | - | 4.26 | 45,671 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,646 |
| New York Groups of Things | 0 | - | 4.38 | 70,883 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,128 |
| American History Quotes #1 | 0 | - | 4.37 | 96,136 |
| American History Quotes #2 | 0 | - | 4.38 | 41,468 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,541 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,299 |
| US States Quiz | 0 | - | 5.00 | 16,945,061 |
| Movies by State | 0 | - | 4.27 | 40,583 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,310 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,274 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,220 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,098 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,021 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,521 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,658 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,164 |
