| Australian Capitals | 0 | - | 4.92 | 62,759 |
| Australian States and Territories | 0 | - | 4.96 | 142,260 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,371 |
| Australia True or False | 0 | - | 4.87 | 56,961 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,717 |
| Australia Country Quiz | 0 | - | 4.43 | 69,674 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,048 |
| Word Chain - Australia | 0 | - | 4.38 | 38,173 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,962 |
| Animals of Australia | 0 | - | 4.52 | 42,378 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,012 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,271 |
| AFL Teams | 0 | - | 4.42 | 40,573 |
| Flags of Oceania | 0 | - | 5.00 | 260,655 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,440 |
| Regions of New Zealand | 0 | - | 4.84 | 28,596 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,295 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,580 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,401 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,889 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,976 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,420 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,687 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,303 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,079 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,368 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,111 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,256 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,622 |
| Name a Valid African Country | 0 | - | 4.98 | 154,396 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,079 |
| Palau Country Quiz | 0 | - | 4.90 | 23,059 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,482 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,868 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,557 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,715 |
| Austria... or Australia? | 0 | - | 4.68 | 104,515 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| Famous Australians by Description | 0 | - | 4.23 | 28,013 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,398 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,864 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,548 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,852 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,531 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,081 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,738 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,116 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,633 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,092 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,120 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,344 |
| Official European Union Languages | 0 | - | 4.97 | 238,965 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,157 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,157 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,020 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,310 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,303 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,463 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,559 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,611 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,290 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,010 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,601 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,146 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,818 |
| Asia Map Quiz | 0 | - | 4.99 | 919,938 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,137 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,744 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,323 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,082 |
| Australia Map Quiz | 0 | - | 4.95 | 345,242 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,962 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,112 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,388 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,742 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,795 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,965 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,619 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,888 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,860 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,745 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,632 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,109 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,753 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,121 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,734 |
| The Only European Country ... | 0 | - | 4.91 | 217,472 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,625 |
| Word Chain - France | 0 | - | 4.38 | 42,849 |
| Italian Foods | 0 | - | 4.30 | 72,956 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,920 |
| British Groups of Things | 0 | - | 4.25 | 82,916 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,843 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,342 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,003 |
| Countries of Africa | 0 | - | 5.00 | 2,545,809 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,132 |
| African East Coast | 0 | - | 4.96 | 96,309 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,169 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,081 |
| Random Country to Capital | 0 | - | 4.98 | 923,092 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| Flags of North and South America | 0 | - | 4.99 | 374,464 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,423 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,137 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,967 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,644 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,148 |
| North America Map Quiz | 0 | - | 4.98 | 249,563 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,799 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,834 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,319 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,968 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,434 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,038 |
| Celtic Nations | 0 | - | 4.69 | 47,001 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,954 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,461 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,445 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,373 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,548 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,417 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,300 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,685 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,596 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,438 |
| Slavic Countries | 0 | - | 4.96 | 111,909 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,486 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,210 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,064 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,407 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,660 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,777 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,048 |
| Counties of England | 0 | - | 4.97 | 799,108 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,318 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,087 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,427 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,056 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,386 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,241 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,269 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,820 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,668 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,817 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,145 |
| Countries of the Middle East | 0 | - | 4.96 | 201,746 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,464 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,605 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,133 |
| Countries that Beat India | 0 | - | 4.42 | 63,111 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,111 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,415 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,401 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,815 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,505 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,451 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,884 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,488 |
| African Island Countries | 0 | - | 4.96 | 101,899 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,890 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,430 |
| Countries by Emojis | 0 | - | 4.99 | 240,508 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,140 |
| Capital Cities Chain | 0 | - | 4.84 | 82,979 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,133 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,761 |
| The Only American Country ... | 0 | - | 4.92 | 121,837 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,832 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,012 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,231 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,869 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,425 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,624 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,768 |
| American Foods | 0 | - | 3.66 | 39,404 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,627 |
| Names of Generations | 0 | - | 4.09 | 45,219 |
| California Groups of Things | 0 | - | 4.25 | 45,530 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,425 |
| New York Groups of Things | 0 | - | 4.35 | 63,959 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,040 |
| American History Quotes #1 | 0 | - | 4.37 | 96,104 |
| American History Quotes #2 | 0 | - | 4.38 | 41,445 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,508 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,277 |
| US States Quiz | 0 | - | 5.00 | 16,922,040 |
| Movies by State | 0 | - | 4.27 | 40,566 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,231 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,968 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,058 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,878 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,756 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,408 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,591 |
