| Australian Capitals | 0 | - | 4.92 | 62,651 |
| Australian States and Territories | 0 | - | 4.96 | 141,311 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,120 |
| Australia True or False | 0 | - | 4.87 | 56,662 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,134 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,278 |
| Australia Country Quiz | 0 | - | 4.43 | 69,416 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,231 |
| Word Chain - Australia | 0 | - | 4.37 | 38,071 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,158 |
| Animals of Australia | 0 | - | 4.52 | 42,224 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,005 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,183 |
| Flags of Oceania | 0 | - | 5.00 | 256,776 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,113 |
| Regions of New Zealand | 0 | - | 4.85 | 28,360 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,706 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,733 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,540 |
| Name a Valid African Country | 0 | - | 4.98 | 153,362 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,706 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,643 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,639 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,989 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,482 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,832 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,244 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,997 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,430 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,011 |
| Palau Country Quiz | 0 | - | 4.90 | 22,911 |
| AFL Teams | 0 | - | 4.40 | 40,119 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,356 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,427 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,600 |
| Austria... or Australia? | 0 | - | 4.68 | 104,081 |
| Famous Australians by Description | 0 | - | 4.23 | 27,775 |
| Australian Slang | 0 | - | 4.25 | 28,537 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,425 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,623 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,311 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,094 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,101 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,220 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,087 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,458 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 154,257 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,887 |
| New Zealand Country Quiz | 0 | - | 4.69 | 75,714 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,851 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,834 |
| Official European Union Languages | 0 | - | 4.97 | 237,586 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,278 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,264 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,116 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,754 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,064 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,103 |
| German Groups of Things | 0 | - | 4.46 | 38,374 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,809 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,393 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,419 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,189 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,067 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,378 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,419 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,699 |
| Asia Map Quiz | 0 | - | 4.99 | 910,513 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 234,223 |
| Countries of Africa | 0 | - | 5.00 | 2,519,887 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,219 |
| African East Coast | 0 | - | 4.96 | 95,473 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,325 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,604 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,167 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,968 |
| Australia Map Quiz | 0 | - | 4.94 | 343,187 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,796 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,986 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,236 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,594 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,706 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,667 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,244 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,512 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,721 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,053 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,987 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,440 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,826 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,122 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,506 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,732 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,231 |
| The Only European Country ... | 0 | - | 4.91 | 214,991 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,236 |
| Word Chain - France | 0 | - | 4.38 | 42,669 |
| Italian Foods | 0 | - | 4.31 | 72,425 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,658 |
| British Groups of Things | 0 | - | 4.25 | 82,759 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,989 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,597 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,140 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,918 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,640 |
| Random Country to Capital | 0 | - | 4.98 | 914,655 |
| Countries that Beat India | 0 | - | 4.41 | 62,724 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,620 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,502 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,155 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,856 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,636 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,807 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,690 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,141 |
| African Island Countries | 0 | - | 4.96 | 101,115 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,439 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,946 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,651 |
| Flags of North and South America | 0 | - | 4.99 | 369,850 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,382 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,484 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,762 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,159 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,714 |
| North America Map Quiz | 0 | - | 4.98 | 246,292 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,520 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,675 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,679 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,847 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,660 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,313 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,805 |
| Celtic Nations | 0 | - | 4.69 | 46,869 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,098 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,669 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,279 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,737 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,076 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,184 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,316 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,233 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,685 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,501 |
| Slavic Countries | 0 | - | 4.96 | 111,199 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,181 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,728 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,231 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,530 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,548 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,963 |
| Counties of England | 0 | - | 4.97 | 792,173 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,312 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,665 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,789 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,193 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,703 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,553 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,255 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,935 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,992 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,505 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,462 |
| Countries of the Middle East | 0 | - | 4.96 | 199,766 |
| Countries that Beat Saudi Arabia | 0 | - | 4.73 | 46,211 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,351 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,707 |
| Countries by Emojis | 0 | - | 4.99 | 237,687 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,411 |
| Capital Cities Chain | 0 | - | 4.84 | 82,208 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,313 |
| States of India | 0 | - | 4.94 | 191,556 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,368 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,434 |
| The Only African Country ... | 0 | - | 4.98 | 128,680 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,906 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,377 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,604 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,688 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,786 |
| The Only American Country ... | 0 | - | 4.92 | 121,138 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,177 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,435 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,665 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,337 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,241 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,425 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,181 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,774 |
| American Foods | 0 | - | 3.66 | 39,323 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,138 |
| California Groups of Things | 0 | - | 4.25 | 45,334 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,407 |
| New York Groups of Things | 0 | - | 4.38 | 60,016 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,663 |
| American History Quotes #1 | 0 | - | 4.37 | 95,795 |
| American History Quotes #2 | 0 | - | 4.38 | 41,281 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,331 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,136 |
| US States Quiz | 0 | - | 5.00 | 16,771,987 |
