| Australian Capitals | 0 | - | 4.92 | 62,760 |
| Australian States and Territories | 0 | - | 4.96 | 142,269 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,372 |
| Australia True or False | 0 | - | 4.87 | 56,962 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,724 |
| Australia Country Quiz | 0 | - | 4.43 | 69,678 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,449 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,979 |
| Animals of Australia | 0 | - | 4.52 | 42,378 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,079 |
| Capital Cities Chain | 0 | - | 4.84 | 82,986 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,273 |
| AFL Teams | 0 | - | 4.42 | 40,577 |
| Flags of Oceania | 0 | - | 5.00 | 260,693 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,442 |
| Regions of New Zealand | 0 | - | 4.84 | 28,599 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,302 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,594 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,403 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,906 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,006 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,435 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,706 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,407 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,086 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,375 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,121 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,262 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,628 |
| Name a Valid African Country | 0 | - | 4.98 | 154,403 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,080 |
| Palau Country Quiz | 0 | - | 4.90 | 23,060 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,485 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,872 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,557 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,734 |
| Austria... or Australia? | 0 | - | 4.68 | 104,517 |
| Word Chain - France | 0 | - | 4.38 | 42,852 |
| Famous Australians by Description | 0 | - | 4.23 | 28,013 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,411 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,870 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,550 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,864 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,540 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,090 |
| Word Chain - Germany | 0 | - | 4.31 | 22,631 |
| Word Chain - Italy | 0 | - | 4.07 | 23,191 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,364 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,748 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,120 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,643 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,097 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,124 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,351 |
| Official European Union Languages | 0 | - | 4.97 | 238,973 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,164 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,460 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,363 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,023 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,316 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,304 |
| German Groups of Things | 0 | - | 4.46 | 38,530 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,466 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,562 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,616 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,295 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,011 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,834 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,607 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,176 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,846 |
| Asia Map Quiz | 0 | - | 4.99 | 920,005 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,294 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 38,065 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,744 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,324 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,082 |
| Australia Map Quiz | 0 | - | 4.95 | 345,259 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,963 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,113 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,390 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,744 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,803 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 40,524 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,638 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,017 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,869 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,746 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,647 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,125 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,754 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,122 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,747 |
| The Only European Country ... | 0 | - | 4.91 | 217,492 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,636 |
| Italian Foods | 0 | - | 4.30 | 72,960 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,921 |
| British Groups of Things | 0 | - | 4.25 | 82,916 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,845 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,356 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,030 |
| Countries of Africa | 0 | - | 5.00 | 2,546,027 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,141 |
| African East Coast | 0 | - | 4.96 | 96,315 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,177 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,194 |
| Random Country to Capital | 0 | - | 4.98 | 923,210 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| Flags of North and South America | 0 | - | 4.99 | 374,510 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,425 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,145 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,027 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,646 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,224 |
| North America Map Quiz | 0 | - | 4.98 | 249,579 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,813 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,844 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,900 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,324 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,974 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,435 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,163 |
| Celtic Nations | 0 | - | 4.69 | 47,003 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,961 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,470 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,478 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,381 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,552 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,488 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,358 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,692 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,609 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,442 |
| Slavic Countries | 0 | - | 4.96 | 111,922 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,490 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,214 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,067 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,409 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,664 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,782 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,051 |
| Counties of England | 0 | - | 4.97 | 799,177 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,360 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,155 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,434 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,061 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,391 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,250 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,280 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,829 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,676 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,848 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,154 |
| Countries of the Middle East | 0 | - | 4.96 | 201,762 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,468 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,610 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,136 |
| Countries that Beat India | 0 | - | 4.42 | 63,114 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,113 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,483 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,411 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,819 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,517 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,456 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,894 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,500 |
| African Island Countries | 0 | - | 4.96 | 101,903 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,920 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,433 |
| Countries by Emojis | 0 | - | 4.99 | 240,529 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,142 |
| Country Chain | 0 | - | 4.96 | 217,697 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,143 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,772 |
| The Only American Country ... | 0 | - | 4.92 | 121,840 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,842 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,027 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,238 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,884 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,434 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,627 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,780 |
| American Foods | 0 | - | 3.66 | 39,406 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,587 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,630 |
| Names of Generations | 0 | - | 4.09 | 45,225 |
| California Groups of Things | 0 | - | 4.25 | 45,531 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,433 |
| New York Groups of Things | 0 | - | 4.35 | 63,965 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,048 |
| American History Quotes #1 | 0 | - | 4.37 | 96,110 |
| American History Quotes #2 | 0 | - | 4.38 | 41,447 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,509 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,279 |
| US States Quiz | 0 | - | 5.00 | 16,923,286 |
| Movies by State | 0 | - | 4.27 | 40,570 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,237 |
