| Australian Capitals | 0 | - | 4.92 | 62,858 |
| Australian States and Territories | 0 | - | 4.96 | 143,009 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,536 |
| Australia True or False | 0 | - | 4.86 | 57,199 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,091 |
| Australia Country Quiz | 0 | - | 4.43 | 69,883 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,161 |
| Word Chain - Australia | 0 | - | 4.38 | 38,259 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,583 |
| Animals of Australia | 0 | - | 4.53 | 42,524 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,901 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,455 |
| AFL Teams | 0 | - | 4.42 | 40,970 |
| Flags of Oceania | 0 | - | 5.00 | 263,361 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,797 |
| Regions of New Zealand | 0 | - | 4.84 | 28,781 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,758 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,249 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,612 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,708 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,242 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,258 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,194 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,258 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,088 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,516 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,895 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,925 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,564 |
| Name a Valid African Country | 0 | - | 4.98 | 155,223 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,146 |
| Palau Country Quiz | 0 | - | 4.89 | 23,159 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,559 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,972 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,634 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,957 |
| Austria... or Australia? | 0 | - | 4.67 | 104,825 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| Famous Australians by Description | 0 | - | 4.23 | 28,180 |
| Australian Slang | 0 | - | 4.24 | 28,756 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,239 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,206 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,834 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,859 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,097 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,725 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,946 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,555 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,612 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,377 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,314 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,835 |
| Official European Union Languages | 0 | - | 4.97 | 240,216 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,784 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,371 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,558 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,230 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,500 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,459 |
| German Groups of Things | 0 | - | 4.47 | 38,661 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,930 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,682 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,760 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,377 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,110 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,791 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,312 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,254 |
| Asia Map Quiz | 0 | - | 4.99 | 926,470 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,461 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,822 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,440 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,159 |
| Australia Map Quiz | 0 | - | 4.95 | 346,439 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 23,048 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,186 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,479 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,861 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,872 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,320 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,928 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,184 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,269 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,974 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,150 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,509 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,930 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,372 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,433 |
| The Only European Country ... | 0 | - | 4.91 | 219,499 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,783 |
| Word Chain - France | 0 | - | 4.38 | 42,956 |
| Italian Foods | 0 | - | 4.30 | 73,371 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,094 |
| British Groups of Things | 0 | - | 4.26 | 83,038 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,993 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,126 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,905 |
| Countries of Africa | 0 | - | 5.00 | 2,563,905 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,219 |
| African East Coast | 0 | - | 4.96 | 96,906 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,788 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,856 |
| Random Country to Capital | 0 | - | 4.98 | 929,806 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,731 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,743 |
| Flags of North and South America | 0 | - | 4.99 | 377,931 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,068 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,963 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,835 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,145 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,781 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,012 |
| North America Map Quiz | 0 | - | 4.98 | 252,641 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,031 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,943 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,225 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,645 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,233 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,855 |
| Celtic Nations | 0 | - | 4.61 | 47,124 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,743 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,494 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,187 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,891 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,119 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,099 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,390 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,701 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,340 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,896 |
| Slavic Countries | 0 | - | 4.96 | 112,483 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,740 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,505 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,555 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,641 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,357 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,010 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,103 |
| Counties of England | 0 | - | 4.97 | 804,025 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,469 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,691 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,912 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,697 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,054 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,290 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,979 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,459 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,192 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,856 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,769 |
| Countries of the Middle East | 0 | - | 4.96 | 203,211 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,644 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,797 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,449 |
| Countries that Beat India | 0 | - | 4.42 | 63,383 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,558 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,871 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,106 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,037 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,658 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,266 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,915 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,443 |
| African Island Countries | 0 | - | 4.96 | 102,709 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,825 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,788 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,703 |
| Countries by Emojis | 0 | - | 4.99 | 242,802 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,696 |
| Capital Cities Chain | 0 | - | 4.84 | 83,500 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,701 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,642 |
| The Only American Country ... | 0 | - | 4.92 | 122,331 |
| Countries that Beat Brazil | 0 | - | 4.50 | 69,322 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,396 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,935 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,289 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,271 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,947 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,948 |
| American Foods | 0 | - | 3.66 | 39,452 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,040 |
| Names of Generations | 0 | - | 4.09 | 45,584 |
| California Groups of Things | 0 | - | 4.26 | 45,800 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,168 |
| New York Groups of Things | 0 | - | 4.39 | 72,342 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,318 |
| American History Quotes #1 | 0 | - | 4.37 | 96,233 |
| American History Quotes #2 | 0 | - | 4.38 | 41,521 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,618 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,355 |
| US States Quiz | 0 | - | 5.00 | 17,017,733 |
| Movies by State | 0 | - | 4.27 | 40,618 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,601 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,080 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,963 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,695 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,809 |
