| Australian Capitals | 0 | - | 4.92 | 62,642 |
| Australian States and Territories | 0 | - | 4.96 | 141,249 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,108 |
| Australia True or False | 0 | - | 4.87 | 56,631 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,240 |
| Australia Country Quiz | 0 | - | 4.43 | 69,394 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,804 |
| Word Chain - Australia | 0 | - | 4.37 | 38,059 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Animals of Australia | 0 | - | 4.52 | 42,208 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,644 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,987 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,162 |
| Flags of Oceania | 0 | - | 5.00 | 256,562 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,089 |
| Regions of New Zealand | 0 | - | 4.85 | 28,337 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,661 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,700 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,484 |
| Name a Valid African Country | 0 | - | 4.98 | 153,315 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,644 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,513 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,500 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,903 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,248 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,749 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,178 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,952 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,379 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,007 |
| Palau Country Quiz | 0 | - | 4.90 | 22,901 |
| AFL Teams | 0 | - | 4.40 | 40,083 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,351 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,422 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,382 |
| Austria... or Australia? | 0 | - | 4.68 | 104,053 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,986 |
| Famous Australians by Description | 0 | - | 4.23 | 27,753 |
| Australian Slang | 0 | - | 4.25 | 28,529 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,373 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,210 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,034 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,073 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,184 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,011 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,439 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,873 |
| New Zealand Country Quiz | 0 | - | 4.69 | 75,691 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,837 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,802 |
| Official European Union Languages | 0 | - | 4.97 | 237,502 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,225 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,467 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,098 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,742 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,043 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,090 |
| German Groups of Things | 0 | - | 4.46 | 38,368 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,765 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,389 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,406 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,186 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,342 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,368 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,236 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,378 |
| Asia Map Quiz | 0 | - | 4.99 | 909,997 |
| Countries of Africa | 0 | - | 5.00 | 2,517,940 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,165 |
| African East Coast | 0 | - | 4.96 | 95,422 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,285 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,595 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,160 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,965 |
| Australia Map Quiz | 0 | - | 4.94 | 343,084 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,789 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,980 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,234 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,574 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,704 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,660 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,242 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,508 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,934 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,877 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,420 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,723 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,038 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,492 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,711 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,158 |
| The Only European Country ... | 0 | - | 4.91 | 214,863 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,148 |
| Word Chain - France | 0 | - | 4.38 | 42,661 |
| Italian Foods | 0 | - | 4.31 | 72,412 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,647 |
| British Groups of Things | 0 | - | 4.25 | 82,752 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,583 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,073 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,653 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,872 |
| Random Country to Capital | 0 | - | 4.98 | 914,223 |
| Countries that Beat India | 0 | - | 4.41 | 62,706 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,587 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,005 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,827 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,600 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,762 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,607 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,073 |
| African Island Countries | 0 | - | 4.96 | 101,072 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,284 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,923 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,647 |
| Flags of North and South America | 0 | - | 4.99 | 369,532 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,345 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,452 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,718 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,732 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,069 |
| North America Map Quiz | 0 | - | 4.98 | 246,114 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,504 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,442 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,406 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,829 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,636 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,302 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,949 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,044 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,627 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,152 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,700 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,050 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,050 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,156 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,626 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,431 |
| Slavic Countries | 0 | - | 4.96 | 111,153 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,163 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,708 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,722 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,225 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,521 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,529 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Counties of England | 0 | - | 4.97 | 791,836 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,066 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,202 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,760 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,129 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,668 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,524 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,172 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,879 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,945 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,423 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,413 |
| Countries of the Middle East | 0 | - | 4.96 | 199,670 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,194 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,333 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,680 |
| Countries by Emojis | 0 | - | 4.99 | 237,564 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,366 |
| Capital Cities Chain | 0 | - | 4.84 | 82,165 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,272 |
| States of India | 0 | - | 4.94 | 191,372 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,336 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,411 |
| The Only African Country ... | 0 | - | 4.98 | 128,639 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,890 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,336 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,465 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,646 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,720 |
| The Only American Country ... | 0 | - | 4.92 | 121,096 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,144 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,427 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,553 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,299 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,197 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,343 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,152 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,713 |
| American Foods | 0 | - | 3.66 | 39,317 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,108 |
| California Groups of Things | 0 | - | 4.25 | 45,328 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,365 |
| New York Groups of Things | 0 | - | 4.38 | 60,012 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,649 |
| American History Quotes #1 | 0 | - | 4.37 | 95,771 |
| American History Quotes #2 | 0 | - | 4.38 | 41,262 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,322 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,130 |
| US States Quiz | 0 | - | 5.00 | 16,762,369 |
| Movies by State | 0 | - | 4.27 | 40,481 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,678 |
