| Australian Capitals | 0 | - | 4.92 | 62,651 |
| Australian States and Territories | 0 | - | 4.96 | 141,306 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,119 |
| Australia True or False | 0 | - | 4.87 | 56,660 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,126 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,276 |
| Australia Country Quiz | 0 | - | 4.43 | 69,416 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,222 |
| Word Chain - Australia | 0 | - | 4.37 | 38,071 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,156 |
| Animals of Australia | 0 | - | 4.52 | 42,224 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,004 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,182 |
| Flags of Oceania | 0 | - | 5.00 | 256,773 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,111 |
| Regions of New Zealand | 0 | - | 4.85 | 28,354 |
| 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 | 91,539 |
| Name a Valid African Country | 0 | - | 4.98 | 153,361 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,704 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,641 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,638 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,987 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,475 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,829 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,240 |
| 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 | 22,909 |
| AFL Teams | 0 | - | 4.40 | 40,116 |
| 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 | 527,582 |
| Austria... or Australia? | 0 | - | 4.68 | 104,073 |
| Famous Australians by Description | 0 | - | 4.23 | 27,772 |
| Australian Slang | 0 | - | 4.25 | 28,537 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,422 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,621 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,309 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,092 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,100 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,220 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,085 |
| 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 | 32,885 |
| New Zealand Country Quiz | 0 | - | 4.69 | 75,714 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,850 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,834 |
| Official European Union Languages | 0 | - | 4.97 | 237,585 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,273 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,198 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,111 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,752 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,063 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,102 |
| German Groups of Things | 0 | - | 4.46 | 38,373 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,808 |
| 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 | 2,110,045 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,378 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,401 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,690 |
| Asia Map Quiz | 0 | - | 4.99 | 910,491 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 234,222 |
| Countries of Africa | 0 | - | 5.00 | 2,519,813 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,217 |
| African East Coast | 0 | - | 4.96 | 95,467 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,324 |
| 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 | 343,184 |
| 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 | 4,147,693 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,050 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,982 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,439 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,818 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,119 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,505 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,731 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,229 |
| The Only European Country ... | 0 | - | 4.91 | 214,989 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,231 |
| 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 | 46,596 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,139 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,913 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,619 |
| Random Country to Capital | 0 | - | 4.98 | 914,640 |
| Countries that Beat India | 0 | - | 4.41 | 62,724 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,616 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,492 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,152 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,856 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,634 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,805 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,688 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,136 |
| African Island Countries | 0 | - | 4.96 | 101,111 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,428 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,943 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,651 |
| Flags of North and South America | 0 | - | 4.99 | 369,847 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,381 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,483 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,761 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,145 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,698 |
| North America Map Quiz | 0 | - | 4.98 | 246,287 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,520 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,673 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,677 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,847 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,659 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,312 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,770 |
| Celtic Nations | 0 | - | 4.69 | 46,869 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,097 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,669 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,272 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,734 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,074 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,178 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,314 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,227 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,684 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,499 |
| Slavic Countries | 0 | - | 4.96 | 111,199 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,180 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,727 |
| 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 | 69,546 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,963 |
| Counties of England | 0 | - | 4.97 | 792,163 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,301 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,656 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,789 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,192 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,702 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,552 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,252 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,933 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,990 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,497 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,459 |
| Countries of the Middle East | 0 | - | 4.96 | 199,763 |
| Countries that Beat Saudi Arabia | 0 | - | 4.73 | 46,211 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,349 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,706 |
| Countries by Emojis | 0 | - | 4.99 | 237,683 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,410 |
| Capital Cities Chain | 0 | - | 4.84 | 82,206 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,312 |
| States of India | 0 | - | 4.94 | 191,551 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,368 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,433 |
| The Only African Country ... | 0 | - | 4.98 | 128,679 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,905 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,375 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,604 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,687 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,781 |
| The Only American Country ... | 0 | - | 4.92 | 121,136 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,175 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,435 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,664 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,337 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,239 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,422 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,181 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,771 |
| American Foods | 0 | - | 3.66 | 39,323 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,137 |
| California Groups of Things | 0 | - | 4.25 | 45,333 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,404 |
| 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 | 95,794 |
| American History Quotes #2 | 0 | - | 4.38 | 41,280 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,331 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,135 |
| US States Quiz | 0 | - | 5.00 | 16,771,715 |
