| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Australian States and Territories | 0 | - | 4.96 | 141,875 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,272 |
| Australia True or False | 0 | - | 4.87 | 56,822 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,528 |
| Australia Country Quiz | 0 | - | 4.43 | 69,567 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,597 |
| Word Chain - Australia | 0 | - | 4.38 | 38,134 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,599 |
| Animals of Australia | 0 | - | 4.52 | 42,311 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,442 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,143 |
| AFL Teams | 0 | - | 4.41 | 40,365 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,316 |
| Flags of Oceania | 0 | - | 5.00 | 258,708 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,299 |
| Regions of New Zealand | 0 | - | 4.85 | 28,486 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,044 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,199 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,258 |
| Name a Valid African Country | 0 | - | 4.98 | 153,955 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,356 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,005 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,620 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,949 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,618 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,554 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,907 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,715 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,911 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,049 |
| Palau Country Quiz | 0 | - | 4.90 | 22,996 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,441 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,510 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,233 |
| Austria... or Australia? | 0 | - | 4.68 | 104,302 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,032 |
| Famous Australians by Description | 0 | - | 4.23 | 27,911 |
| Australian Slang | 0 | - | 4.24 | 28,619 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,960 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,749 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,056 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,920 |
| Countries that Beat Canada | 0 | - | 4.90 | 94,307 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,657 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,923 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,821 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,959 |
| New Zealand Country Quiz | 0 | - | 4.70 | 75,938 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,996 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,073 |
| Official European Union Languages | 0 | - | 4.97 | 238,354 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,753 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,747 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,247 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,913 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,200 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,217 |
| German Groups of Things | 0 | - | 4.46 | 38,467 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,174 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,498 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,536 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,241 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,630 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,489 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,916 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,705 |
| Asia Map Quiz | 0 | - | 4.99 | 915,874 |
| Countries of Africa | 0 | - | 5.00 | 2,534,056 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,747 |
| African East Coast | 0 | - | 4.96 | 95,964 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,792 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,688 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,267 |
| Kiribati Country Quiz | 0 | - | 4.72 | 19,038 |
| Australia Map Quiz | 0 | - | 4.95 | 344,212 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,905 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,061 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,329 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,679 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,809 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,739 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,332 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,571 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,448 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,051 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,627 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,823 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,258 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,652 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,948 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,087 |
| The Only European Country ... | 0 | - | 4.91 | 216,377 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,982 |
| Word Chain - France | 0 | - | 4.38 | 42,766 |
| Italian Foods | 0 | - | 4.30 | 72,735 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,801 |
| British Groups of Things | 0 | - | 4.25 | 82,858 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,742 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,858 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,102 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,870 |
| Random Country to Capital | 0 | - | 4.98 | 919,627 |
| Countries that Beat India | 0 | - | 4.42 | 62,933 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,945 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,472 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,859 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,515 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,149 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,200 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,381 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,886 |
| African Island Countries | 0 | - | 4.96 | 101,542 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,283 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,210 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,678 |
| Flags of North and South America | 0 | - | 4.99 | 372,638 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,572 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,166 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,642 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,834 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,127 |
| North America Map Quiz | 0 | - | 4.98 | 248,217 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,698 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,087 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,835 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,102 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,848 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,432 |
| Celtic Nations | 0 | - | 4.69 | 46,925 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,575 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,116 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,474 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,075 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,328 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,261 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,290 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,014 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,176 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,011 |
| Slavic Countries | 0 | - | 4.96 | 111,588 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,329 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,950 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,601 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,660 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,014 |
| Counties of England | 0 | - | 4.97 | 795,931 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,378 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,778 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,166 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,653 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,090 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,928 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,789 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,414 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,364 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,191 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,846 |
| Countries of the Middle East | 0 | - | 4.96 | 201,007 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,331 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,492 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,955 |
| Countries by Emojis | 0 | - | 4.99 | 239,401 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,842 |
| Capital Cities Chain | 0 | - | 4.83 | 82,656 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,810 |
| States of India | 0 | - | 4.95 | 193,012 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,588 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,738 |
| The Only African Country ... | 0 | - | 4.99 | 129,044 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,106 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,790 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,985 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,119 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 56,289 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,344 |
| The Only American Country ... | 0 | - | 4.92 | 121,526 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,531 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,547 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,895 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,853 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,611 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,008 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,436 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,344 |
| American Foods | 0 | - | 3.66 | 39,371 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,417 |
| Names of Generations | 0 | - | 4.09 | 44,725 |
| California Groups of Things | 0 | - | 4.25 | 45,460 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,909 |
| New York Groups of Things | 0 | - | 4.35 | 63,499 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,883 |
| American History Quotes #1 | 0 | - | 4.37 | 96,000 |
| American History Quotes #2 | 0 | - | 4.38 | 41,388 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,434 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,228 |
| US States Quiz | 0 | - | 5.00 | 16,857,292 |
| Movies by State | 0 | - | 4.27 | 40,533 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,030 |
