| Australian Capitals | 0 | - | 4.92 | 62,887 |
| Australian States and Territories | 0 | - | 4.96 | 143,145 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,565 |
| Australia True or False | 0 | - | 4.87 | 57,253 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,151 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,642 |
| Australia Country Quiz | 0 | - | 4.43 | 69,910 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,867 |
| Word Chain - Australia | 0 | - | 4.38 | 38,271 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,326 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,158 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,664 |
| Animals of Australia | 0 | - | 4.53 | 42,540 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,494 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,825 |
| AFL Teams | 0 | - | 4.43 | 41,034 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,596 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,268 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,538 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,494 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,701 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,787 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,393 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,122 |
| Flags of Oceania | 0 | - | 5.00 | 263,751 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,832 |
| Regions of New Zealand | 0 | - | 4.84 | 28,815 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,825 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,373 |
| Palau Country Quiz | 0 | - | 4.89 | 23,203 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,580 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,999 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,662 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,944 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,031 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,966 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,529 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,483 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,419 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,676 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,213 |
| Austria... or Australia? | 0 | - | 4.67 | 104,883 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,655 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 98,013 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,029 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,670 |
| Name a Valid African Country | 0 | - | 4.98 | 155,379 |
| Famous Australians by Description | 0 | - | 4.23 | 28,205 |
| Australian Slang | 0 | - | 4.24 | 28,772 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,595 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,020 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,173 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,344 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,819 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,624 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,857 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,417 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,285 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,478 |
| Geography of Spain | 0 | - | 4.59 | 22,303 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,432 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,343 |
| Papua New Guinea Country Quiz | 0 | - | 4.63 | 33,261 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,530 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,645 |
| German Groups of Things | 0 | - | 4.47 | 38,684 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 104,003 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,149 |
| Geography of Egypt | 0 | - | 4.60 | 21,734 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,768 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,819 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,892 |
| Official European Union Languages | 0 | - | 4.97 | 240,476 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,897 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,615 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,788 |
| Asia Map Quiz | 0 | - | 4.99 | 927,299 |
| Geography of China | 0 | - | 4.35 | 19,301 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,573 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,775 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,837 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,457 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,172 |
| Australia Map Quiz | 0 | - | 4.95 | 346,652 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 23,063 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,196 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,492 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,892 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,443 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,509 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,537 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,521 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,012 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,406 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,729 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,415 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,625 |
| The Only European Country ... | 0 | - | 4.91 | 219,806 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,942 |
| Word Chain - France | 0 | - | 4.38 | 42,976 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,590 |
| Italian Foods | 0 | - | 4.30 | 73,433 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,666 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,414 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,051 |
| British Groups of Things | 0 | - | 4.26 | 83,052 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,118 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,136 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,043 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,271 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,331 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,677 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,504 |
| Countries that Beat India | 0 | - | 4.42 | 63,431 |
| Countries of Africa | 0 | - | 5.00 | 2,566,742 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,330 |
| African East Coast | 0 | - | 4.96 | 96,979 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,877 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,534 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,396 |
| Random Country to Capital | 0 | - | 4.98 | 931,029 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,749 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,752 |
| Flags of North and South America | 0 | - | 4.99 | 378,568 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,108 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,034 |
| The Only American Country ... | 0 | - | 4.92 | 122,410 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,948 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,146 |
| Countries that Beat Brazil | 0 | - | 4.50 | 69,381 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,800 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,656 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,114 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,049 |
| North America Map Quiz | 0 | - | 4.98 | 253,081 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,362 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,410 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,997 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,048 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,054 |
| American Foods | 0 | - | 3.66 | 39,461 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,117 |
| Names of Generations | 0 | - | 4.09 | 45,632 |
| California Groups of Things | 0 | - | 4.26 | 45,817 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,327 |
| New York Groups of Things | 0 | - | 4.39 | 72,421 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,356 |
| American History Quotes #1 | 0 | - | 4.37 | 96,269 |
| American History Quotes #2 | 0 | - | 4.38 | 41,547 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,643 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,379 |
| US States Quiz | 0 | - | 5.00 | 17,033,772 |
| Movies by State | 0 | - | 4.27 | 40,622 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,438 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,695 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,701 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,656 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,271 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,715 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,288 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,860 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,602 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,043 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,472 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,812 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,964 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,981 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,179 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,941 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,367 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,808 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,729 |
| Monarchies of Europe | 0 | - | 4.90 | 99,103 |
| European Countries with One Border | 0 | - | 4.97 | 184,120 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,835 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,362 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,858 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,659 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,095 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,246 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,450 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,966 |
| Slavic Countries | 0 | - | 4.96 | 112,570 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,060 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,634 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,879 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,074 |
| States of Germany | 0 | - | 4.95 | 155,069 |
| Word Chain - Germany | 0 | - | 4.31 | 22,704 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,777 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,867 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,535 |
| Regions of Italy | 0 | - | 4.92 | 77,337 |
| Word Chain - Italy | 0 | - | 4.07 | 23,237 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,977 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,507 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,690 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,971 |
