| Australian Capitals | 0 | - | 4.92 | 62,753 |
| Australian States and Territories | 0 | - | 4.96 | 142,224 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,363 |
| Australia True or False | 0 | - | 4.87 | 56,952 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,668 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,704 |
| Australia Country Quiz | 0 | - | 4.43 | 69,668 |
| Oceania Map Quiz | 0 | - | 4.98 | 650,070 |
| Word Chain - Australia | 0 | - | 4.38 | 38,171 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,898 |
| Animals of Australia | 0 | - | 4.52 | 42,367 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,261 |
| AFL Teams | 0 | - | 4.42 | 40,566 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,391 |
| Flags of Oceania | 0 | - | 5.00 | 260,482 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,427 |
| Regions of New Zealand | 0 | - | 4.84 | 28,591 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,270 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,542 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,592 |
| Name a Valid African Country | 0 | - | 4.98 | 154,352 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,827 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,892 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,356 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,612 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,996 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,020 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,339 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,077 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,211 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,075 |
| Palau Country Quiz | 0 | - | 4.90 | 23,054 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,480 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,864 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,555 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,547 |
| Austria... or Australia? | 0 | - | 4.68 | 104,499 |
| Famous Australians by Description | 0 | - | 4.23 | 28,003 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,362 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,851 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,588 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,810 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,482 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,054 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,682 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,101 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 155,801 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,001 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,077 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,099 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,318 |
| Official European Union Languages | 0 | - | 4.97 | 238,905 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,125 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,793 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,352 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,299 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,291 |
| German Groups of Things | 0 | - | 4.46 | 38,523 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,438 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,549 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,600 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,283 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,636 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,589 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,010 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,684 |
| Asia Map Quiz | 0 | - | 4.99 | 919,556 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,748 |
| Countries of Africa | 0 | - | 5.00 | 2,544,713 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,098 |
| African East Coast | 0 | - | 4.96 | 96,278 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,139 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,741 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,319 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,080 |
| Australia Map Quiz | 0 | - | 4.95 | 345,123 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,959 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,105 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,385 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,742 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,791 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,389 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,601 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,452 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,010 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,785 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,738 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,554 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,019 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,748 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,106 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,664 |
| The Only European Country ... | 0 | - | 4.91 | 217,373 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,569 |
| Word Chain - France | 0 | - | 4.38 | 42,840 |
| Italian Foods | 0 | - | 4.30 | 72,934 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,914 |
| British Groups of Things | 0 | - | 4.25 | 82,907 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,054 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,833 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,279 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,811 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,595 |
| Random Country to Capital | 0 | - | 4.98 | 922,730 |
| Countries that Beat India | 0 | - | 4.42 | 63,102 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,097 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,110 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,338 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,791 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,473 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,433 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,828 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,445 |
| African Island Countries | 0 | - | 4.96 | 101,866 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,820 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,411 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,696 |
| Flags of North and South America | 0 | - | 4.99 | 374,259 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,707 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,392 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,103 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,699 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,639 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,712 |
| North America Map Quiz | 0 | - | 4.98 | 249,437 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,805 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,615 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,654 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,300 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,962 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,430 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,912 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,429 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,352 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,353 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,534 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,212 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,967 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,623 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,551 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,390 |
| Slavic Countries | 0 | - | 4.96 | 111,877 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,470 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,192 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,652 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,759 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,042 |
| Counties of England | 0 | - | 4.97 | 798,819 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,124 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,793 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,404 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,015 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,359 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,220 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,231 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,778 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,644 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,746 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,102 |
| Countries of the Middle East | 0 | - | 4.96 | 201,668 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,458 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,589 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,127 |
| Countries by Emojis | 0 | - | 4.99 | 240,410 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,106 |
| Capital Cities Chain | 0 | - | 4.83 | 82,950 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,112 |
| States of India | 0 | - | 4.95 | 194,085 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,761 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,885 |
| The Only African Country ... | 0 | - | 4.99 | 129,268 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,205 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,061 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,043 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,396 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,382 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,696 |
| The Only American Country ... | 0 | - | 4.92 | 121,814 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,809 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,919 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,173 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,833 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,397 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,602 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,747 |
| American Foods | 0 | - | 3.66 | 39,401 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,610 |
| Names of Generations | 0 | - | 4.09 | 45,186 |
| California Groups of Things | 0 | - | 4.25 | 45,526 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,400 |
| New York Groups of Things | 0 | - | 4.35 | 63,929 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,027 |
| American History Quotes #1 | 0 | - | 4.37 | 96,100 |
| American History Quotes #2 | 0 | - | 4.38 | 41,440 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,504 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,275 |
