| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,227 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,535 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,270 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,974 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,195 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,137 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,592 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,649 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,313 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,773 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,017 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,276 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,639 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,383 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,069 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,637 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,814 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,059 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,930 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,304 |
| Beatles Lyrics First Names | 0 | - | 4.35 | 39,901 |
| Elton John Quiz | 0 | - | 4.49 | 18,501 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,775 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,876 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,708 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,379 |
| Provinces of Turkey | 0 | - | 4.94 | 204,991 |
| Provinces of China | 0 | - | 4.97 | 206,196 |
| Japanese Prefectures | 0 | - | 4.98 | 138,066 |
| States of India | 0 | - | 4.95 | 194,701 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,450 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,768 |
| Name a Valid African Country | 0 | - | 4.98 | 154,569 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,019 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,659 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,573 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,193 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,950 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,615 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,668 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,181 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,295 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,050 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,470 |
| The Beatles Members | 0 | - | 4.22 | 23,997 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,664 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,112 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,135 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,015 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,712 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,839 |
| Rappers Real Names | 0 | - | 4.09 | 72,106 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,652 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,407 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,062 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,353 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,326 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,120 |
| German Groups of Things | 0 | - | 4.47 | 38,561 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,550 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,988 |
| Asian Islands | 0 | - | 4.49 | 20,873 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,701 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,306 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,888 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,530 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,047 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,511 |
| Asian Physical Geography | 0 | - | 4.61 | 35,578 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,160 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,603 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,141 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,968 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,175 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,098 |
| Middle East A-Z | 0 | - | 4.47 | 46,184 |
| Geography of Egypt | 0 | - | 4.60 | 21,567 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,614 |
| Geography of China | 0 | - | 4.21 | 13,989 |
| Dynasties of China | 0 | - | 4.64 | 27,996 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,502 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,317 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,424 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,765 |
| Sushi Translation | 0 | - | 4.08 | 13,959 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,624 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,025 |
| Livin' on a Prayer Lyrics | 0 | - | 4.28 | 96,153 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,896 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,455 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,840 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,483 |
| Countries that Beat D.R. Congo | 0 | - | 4.77 | 41,913 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,516 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,102 |
| Australian Capitals | 0 | - | 4.92 | 62,780 |
| Word Chain - Australia | 0 | - | 4.38 | 38,192 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,817 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,753 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,633 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,448 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,285 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,250 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,441 |
| Official European Union Languages | 0 | - | 4.97 | 239,171 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,277 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,787 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,682 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,174 |
| Word Chain - France | 0 | - | 4.38 | 42,873 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,106 |
| Italian Foods | 0 | - | 4.30 | 73,032 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,435 |
| British Groups of Things | 0 | - | 4.25 | 82,943 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,069 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,979 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,165 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,051 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,317 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,921 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,876 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,340 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,315 |
| Asia Map Quiz | 0 | - | 4.99 | 921,369 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,836 |
| A Quiz About Islam | 0 | - | 4.31 | 48,533 |
| History of Iran | 0 | - | 4.66 | 16,390 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,014 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,497 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,018 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,826 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,622 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,162 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,848 |
| Chinese Inventions | 0 | - | 4.30 | 33,833 |
| History of China | 0 | - | 4.37 | 57,408 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,434 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,440 |
| Japanese Companies | 0 | - | 4.28 | 34,282 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,963 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,190 |
| Japanese Loanwords | 0 | - | 4.47 | 84,750 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,235 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,855 |
| History of India | 0 | - | 4.62 | 21,473 |
| Countries that Beat India | 0 | - | 4.42 | 63,156 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,724 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,805 |
| Don't Stop Believin' Lyrics | 0 | - | 4.47 | 223,969 |
| Flags of Oceania | 0 | - | 5.00 | 261,093 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,078 |
| Australian States and Territories | 0 | - | 4.96 | 142,406 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,118 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,402 |
| Australia Map Quiz | 0 | - | 4.95 | 345,491 |
| Australia True or False | 0 | - | 4.87 | 57,011 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,783 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,586 |
| Flags of North and South America | 0 | - | 4.99 | 375,053 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,794 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,536 |
| The Only American Country ... | 0 | - | 4.92 | 121,928 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,256 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,729 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 42,622 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,923 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,666 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,274 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,279 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,338 |
| North America Map Quiz | 0 | - | 4.98 | 249,965 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,944 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,525 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,684 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,427 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,846 |
| American Foods | 0 | - | 3.66 | 39,420 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,701 |
| Names of Generations | 0 | - | 4.09 | 45,289 |
| California Groups of Things | 0 | - | 4.26 | 45,646 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,578 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,064 |
| New York Groups of Things | 0 | - | 4.38 | 70,257 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,098 |
| American History Quotes #1 | 0 | - | 4.37 | 96,128 |
| American History Quotes #2 | 0 | - | 4.38 | 41,465 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,537 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,295 |
| US States Quiz | 0 | - | 5.00 | 16,939,048 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,004 |
| Movies by State | 0 | - | 4.27 | 40,582 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,392 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,412 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,766 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,384 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,107 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,294 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,792 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,014 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,457 |
