| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Australian States and Territories | 0 | - | 4.96 | 140,935 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,027 |
| Australia True or False | 0 | - | 4.87 | 56,519 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,067 |
| Australia Country Quiz | 0 | - | 4.43 | 69,297 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,558 |
| Word Chain - Australia | 0 | - | 4.37 | 38,016 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,824 |
| Animals of Australia | 0 | - | 4.52 | 42,160 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,142 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,881 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,010 |
| Flags of Oceania | 0 | - | 5.00 | 255,357 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,933 |
| Regions of New Zealand | 0 | - | 4.85 | 28,173 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,372 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,406 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,130 |
| Name a Valid African Country | 0 | - | 4.98 | 152,980 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,218 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,638 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,314 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,243 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,938 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,301 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,752 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,597 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,085 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,982 |
| Palau Country Quiz | 0 | - | 4.89 | 22,849 |
| AFL Teams | 0 | - | 4.40 | 39,754 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,301 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,356 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,474 |
| Austria... or Australia? | 0 | - | 4.68 | 103,891 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,952 |
| Famous Australians by Description | 0 | - | 4.23 | 27,628 |
| Australian Slang | 0 | - | 4.25 | 28,482 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,005 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,527 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,599 |
| Countries that Beat New Zealand | 0 | - | 4.69 | 26,182 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,626 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,874 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,931 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,154 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,212 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,811 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,488 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,724 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,600 |
| Official European Union Languages | 0 | - | 4.97 | 236,882 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,723 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,512 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,003 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,635 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,959 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,000 |
| German Groups of Things | 0 | - | 4.46 | 38,309 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,007 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,333 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,338 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,160 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,842 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,273 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,330 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,078 |
| Asia Map Quiz | 0 | - | 4.99 | 907,373 |
| Countries of Africa | 0 | - | 5.00 | 2,508,922 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,842 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,529 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,099 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,926 |
| Australia Map Quiz | 0 | - | 4.94 | 342,565 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,739 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,940 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,177 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,507 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,651 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,620 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,201 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,391 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,216 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,231 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,077 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,396 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,411 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,554 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,639 |
| The Only European Country ... | 0 | - | 4.91 | 213,950 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,617 |
| Word Chain - France | 0 | - | 4.38 | 42,586 |
| Italian Foods | 0 | - | 4.31 | 72,218 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,575 |
| British Groups of Things | 0 | - | 4.25 | 82,688 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,524 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,514 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,328 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,455 |
| Random Country to Capital | 0 | - | 4.98 | 911,883 |
| Countries that Beat India | 0 | - | 4.41 | 62,596 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,445 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,673 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,666 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,605 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,314 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,519 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,175 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,508 |
| African Island Countries | 0 | - | 4.96 | 100,820 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,723 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,728 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,634 |
| Flags of North and South America | 0 | - | 4.99 | 367,570 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,192 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,276 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,457 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,168 |
| North America Map Quiz | 0 | - | 4.98 | 244,583 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,383 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,065 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,177 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,638 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,510 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,246 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,380 |
| Celtic Nations | 0 | - | 4.69 | 46,819 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,326 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,427 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,496 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,876 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,912 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,022 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,536 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,299 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,228 |
| Slavic Countries | 0 | - | 4.96 | 110,888 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,601 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,158 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,476 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,451 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,925 |
| Counties of England | 0 | - | 4.97 | 789,493 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,150 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,867 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,373 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,808 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,449 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,288 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,767 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,528 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,719 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,822 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,189 |
| Countries of the Middle East | 0 | - | 4.96 | 199,006 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,105 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,563 |
| Countries by Emojis | 0 | - | 4.99 | 236,270 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,135 |
| Capital Cities Chain | 0 | - | 4.84 | 81,947 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,023 |
| States of India | 0 | - | 4.94 | 190,312 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,175 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,263 |
| The Only African Country ... | 0 | - | 4.99 | 128,392 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,787 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,103 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,393 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,136 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,449 |
| The Only American Country ... | 0 | - | 4.92 | 120,788 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,906 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,359 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,892 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,011 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,918 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,028 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,975 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,377 |
| American Foods | 0 | - | 3.66 | 39,280 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,894 |
| California Groups of Things | 0 | - | 4.25 | 45,278 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,095 |
| New York Groups of Things | 0 | - | 4.38 | 59,948 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,517 |
| American History Quotes #1 | 0 | - | 4.37 | 95,699 |
| American History Quotes #2 | 0 | - | 4.38 | 41,231 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,251 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,081 |
| US States Quiz | 0 | - | 5.00 | 16,707,430 |
| Movies by State | 0 | - | 4.27 | 40,445 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,385 |
