| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,142 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,377 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,122 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,749 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,136 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,092 |
| 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 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,676 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,850 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,155 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,610 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,302 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,907 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,013 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,439 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,716 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,413 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,088 |
| Beatles Lyrics First Names | 0 | - | 4.34 | 39,552 |
| Elton John Quiz | 0 | - | 4.49 | 18,495 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,744 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,845 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,595 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,262 |
| Provinces of Turkey | 0 | - | 4.94 | 204,737 |
| Provinces of China | 0 | - | 4.97 | 205,831 |
| Japanese Prefectures | 0 | - | 4.98 | 137,777 |
| States of India | 0 | - | 4.95 | 194,251 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,405 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,630 |
| Name a Valid African Country | 0 | - | 4.98 | 154,404 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,867 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,543 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,412 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,091 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,872 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,538 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,641 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,120 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,273 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,006 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,154 |
| The Beatles Members | 0 | - | 4.22 | 23,984 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,633 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,047 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,972 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,970 |
| China's Territorial Disputes | 0 | - | 4.47 | 35,696 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,772 |
| Rappers Real Names | 0 | - | 4.09 | 72,024 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,502 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,364 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,024 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,317 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,304 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,737 |
| German Groups of Things | 0 | - | 4.46 | 38,530 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,467 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,964 |
| Asian Islands | 0 | - | 4.49 | 20,867 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,462 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,279 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,852 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,512 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,023 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,483 |
| Asian Physical Geography | 0 | - | 4.61 | 35,567 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,143 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,583 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,121 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,930 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,141 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,049 |
| Middle East A-Z | 0 | - | 4.47 | 46,156 |
| Geography of Egypt | 0 | - | 4.60 | 21,556 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,479 |
| Geography of China | 0 | - | 4.21 | 13,980 |
| Dynasties of China | 0 | - | 4.64 | 27,977 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,479 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,287 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,381 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,747 |
| Sushi Translation | 0 | - | 4.08 | 13,954 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,533 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,011 |
| Livin' on a Prayer Lyrics | 0 | - | 4.28 | 96,131 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,806 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,452 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,502 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,448 |
| Countries that Beat D.R. Congo | 0 | - | 4.77 | 41,887 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,458 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,080 |
| Australian Capitals | 0 | - | 4.92 | 62,760 |
| Word Chain - Australia | 0 | - | 4.38 | 38,174 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,803 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 40,652 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,645 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,607 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,032 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,264 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,208 |
| 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 | 158,166 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,754 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,191 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,773 |
| Word Chain - France | 0 | - | 4.38 | 42,852 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,067 |
| Italian Foods | 0 | - | 4.30 | 72,960 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,409 |
| British Groups of Things | 0 | - | 4.25 | 82,917 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,966 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,151 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,021 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,295 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,886 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,846 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,316 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,852 |
| Asia Map Quiz | 0 | - | 4.99 | 920,024 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,812 |
| A Quiz About Islam | 0 | - | 4.31 | 48,510 |
| History of Iran | 0 | - | 4.66 | 16,384 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,965 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,468 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,948 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,812 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,600 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,136 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,792 |
| Chinese Inventions | 0 | - | 4.30 | 33,826 |
| History of China | 0 | - | 4.37 | 57,353 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,427 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,425 |
| Japanese Companies | 0 | - | 4.28 | 34,270 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,955 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,137 |
| Japanese Loanwords | 0 | - | 4.47 | 84,718 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,187 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,820 |
| History of India | 0 | - | 4.62 | 21,462 |
| Countries that Beat India | 0 | - | 4.42 | 63,115 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,303 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,644 |
| Don't Stop Believin' Lyrics | 0 | - | 4.47 | 223,904 |
| Flags of Oceania | 0 | - | 5.00 | 260,701 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,984 |
| Australian States and Territories | 0 | - | 4.96 | 142,273 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,778 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,373 |
| Australia Map Quiz | 0 | - | 4.95 | 345,260 |
| Australia True or False | 0 | - | 4.87 | 56,963 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,725 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,550 |
| Flags of North and South America | 0 | - | 4.99 | 374,519 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,425 |
| The Only American Country ... | 0 | - | 4.92 | 121,842 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,146 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,046 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,843 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,646 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,028 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,240 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,240 |
| North America Map Quiz | 0 | - | 4.98 | 249,581 |
| 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 | 64,435 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,629 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,781 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,814 |
| American Foods | 0 | - | 3.66 | 39,406 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,631 |
| Names of Generations | 0 | - | 4.09 | 45,228 |
| California Groups of Things | 0 | - | 4.25 | 45,531 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,433 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,063 |
| New York Groups of Things | 0 | - | 4.35 | 63,966 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,049 |
| 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 | 36,280 |
| US States Quiz | 0 | - | 5.00 | 16,923,514 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,861 |
| Movies by State | 0 | - | 4.27 | 40,570 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,850 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,907 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,743 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,324 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,870 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,237 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,975 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,435 |
