| Australian Capitals | 0 | - | 4.92 | 62,858 |
| Australian States and Territories | 0 | - | 4.96 | 143,016 |
| 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 | 62,092 |
| Australia Country Quiz | 0 | - | 4.43 | 69,883 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,181 |
| Word Chain - Australia | 0 | - | 4.38 | 38,259 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,584 |
| Animals of Australia | 0 | - | 4.53 | 42,524 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,926 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,456 |
| AFL Teams | 0 | - | 4.42 | 40,970 |
| Flags of Oceania | 0 | - | 5.00 | 263,374 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,799 |
| Regions of New Zealand | 0 | - | 4.84 | 28,781 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,760 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,255 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,612 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,714 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,255 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,260 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,203 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,280 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,094 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,521 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,896 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,929 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,567 |
| Name a Valid African Country | 0 | - | 4.98 | 155,231 |
| 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 | 532,973 |
| Austria... or Australia? | 0 | - | 4.67 | 104,826 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| Famous Australians by Description | 0 | - | 4.23 | 28,181 |
| Australian Slang | 0 | - | 4.24 | 28,756 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,241 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,208 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,835 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,864 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,098 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,728 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,950 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,557 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,616 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,379 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,315 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,838 |
| Official European Union Languages | 0 | - | 4.97 | 240,254 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,788 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,467 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,558 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,231 |
| 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 | 38,662 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,931 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,684 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,761 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,378 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,110 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,793 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,330 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,261 |
| Asia Map Quiz | 0 | - | 4.99 | 926,493 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,490 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,822 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,440 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,160 |
| Australia Map Quiz | 0 | - | 4.95 | 346,441 |
| 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 | 44,321 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,929 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,212 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,278 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,975 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,156 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,518 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,930 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,438 |
| The Only European Country ... | 0 | - | 4.91 | 219,507 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,789 |
| Word Chain - France | 0 | - | 4.38 | 42,958 |
| Italian Foods | 0 | - | 4.30 | 73,373 |
| 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 | 46,994 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,129 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,909 |
| Countries of Africa | 0 | - | 5.00 | 2,563,980 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,221 |
| African East Coast | 0 | - | 4.96 | 96,909 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,788 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,901 |
| Random Country to Capital | 0 | - | 4.98 | 929,820 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,732 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,743 |
| Flags of North and South America | 0 | - | 4.99 | 377,957 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,070 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,963 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,837 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,175 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,782 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,045 |
| North America Map Quiz | 0 | - | 4.98 | 252,654 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,032 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,956 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,235 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,647 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,235 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,895 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,746 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,498 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,194 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,893 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,122 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,103 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,400 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,705 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,342 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,898 |
| Slavic Countries | 0 | - | 4.96 | 112,485 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,740 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,558 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,641 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,359 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,011 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,104 |
| Counties of England | 0 | - | 4.97 | 804,054 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,483 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,710 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,915 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,699 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,055 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,294 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,984 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,460 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,193 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,857 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,771 |
| Countries of the Middle East | 0 | - | 4.96 | 203,216 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,644 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,799 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,451 |
| Countries that Beat India | 0 | - | 4.42 | 63,385 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,559 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,896 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,111 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,039 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,664 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,295 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,926 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,446 |
| African Island Countries | 0 | - | 4.96 | 102,714 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,830 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,789 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,715 |
| Countries by Emojis | 0 | - | 4.99 | 242,809 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,696 |
| Capital Cities Chain | 0 | - | 4.84 | 83,505 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,702 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,642 |
| The Only American Country ... | 0 | - | 4.92 | 122,333 |
| Countries that Beat Brazil | 0 | - | 4.50 | 69,325 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,416 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,936 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,291 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,276 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,949 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,951 |
| American Foods | 0 | - | 3.66 | 39,452 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,042 |
| Names of Generations | 0 | - | 4.09 | 45,586 |
| 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 | 72,348 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,319 |
| 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 | 17,018,186 |
| Movies by State | 0 | - | 4.27 | 40,618 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,604 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,082 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,965 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,698 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,812 |
