| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,937 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,486 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,859 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,905 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,383 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,749 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,679 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,757 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,375 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,178 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,811 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,735 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,787 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,659 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,741 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,680 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,167 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,201 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,132 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,127 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,043 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,230 |
| Elton John Quiz | 0 | - | 4.49 | 18,530 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,091 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,990 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,223 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,899 |
| Provinces of Turkey | 0 | - | 4.95 | 206,175 |
| Provinces of China | 0 | - | 4.97 | 208,503 |
| Japanese Prefectures | 0 | - | 4.98 | 139,282 |
| States of India | 0 | - | 4.94 | 196,307 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,608 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,535 |
| Name a Valid African Country | 0 | - | 4.98 | 155,178 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,825 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,079 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,208 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,709 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,145 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,954 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,810 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,539 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,448 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,275 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,582 |
| The Beatles Members | 0 | - | 4.23 | 24,059 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,858 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,355 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,853 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,238 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,829 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,202 |
| Rappers Real Names | 0 | - | 4.09 | 72,448 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,607 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,555 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,226 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,492 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,452 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,857 |
| German Groups of Things | 0 | - | 4.47 | 38,655 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,909 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,162 |
| Asian Islands | 0 | - | 4.49 | 20,916 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,060 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,516 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,122 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,706 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,261 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,700 |
| Asian Physical Geography | 0 | - | 4.61 | 35,636 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,226 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,693 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,224 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,187 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,361 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,365 |
| Middle East A-Z | 0 | - | 4.47 | 46,263 |
| Geography of Egypt | 0 | - | 4.60 | 21,644 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,187 |
| Geography of China | 0 | - | 4.21 | 15,021 |
| Dynasties of China | 0 | - | 4.64 | 28,093 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,613 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,439 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,666 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,857 |
| Sushi Translation | 0 | - | 4.08 | 13,994 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,077 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,107 |
| Livin' on a Prayer Lyrics | 0 | - | 4.28 | 96,408 |
| Michael Jackson Complete Song Discography | 0 | - | 4.56 | 5,797 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,497 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,237 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,725 |
| Countries that Beat D.R. Congo | 0 | - | 4.75 | 42,049 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,012 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,144 |
| Australian Capitals | 0 | - | 4.92 | 62,854 |
| Word Chain - Australia | 0 | - | 4.38 | 38,257 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,871 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,295 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,925 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,785 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,919 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,475 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,460 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,818 |
| Official European Union Languages | 0 | - | 4.97 | 240,040 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,766 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,922 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,236 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,215 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,539 |
| Italian Foods | 0 | - | 4.30 | 73,341 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,634 |
| British Groups of Things | 0 | - | 4.26 | 83,035 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,086 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,268 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,216 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,446 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,097 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,057 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,486 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,143 |
| Asia Map Quiz | 0 | - | 4.99 | 926,241 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,978 |
| A Quiz About Islam | 0 | - | 4.32 | 48,650 |
| History of Iran | 0 | - | 4.66 | 16,435 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,212 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,634 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,093 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,909 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,733 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,338 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,142 |
| Chinese Inventions | 0 | - | 4.30 | 33,871 |
| History of China | 0 | - | 4.35 | 57,648 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,457 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,503 |
| Japanese Companies | 0 | - | 4.29 | 34,390 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,993 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,427 |
| Japanese Loanwords | 0 | - | 4.47 | 84,925 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,436 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,022 |
| History of India | 0 | - | 4.62 | 21,523 |
| Countries that Beat India | 0 | - | 4.42 | 63,365 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,143 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,587 |
| Don't Stop Believin' Lyrics | 0 | - | 4.47 | 224,737 |
| Flags of Oceania | 0 | - | 5.00 | 263,235 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,559 |
| Australian States and Territories | 0 | - | 4.96 | 142,985 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,624 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,529 |
| Australia Map Quiz | 0 | - | 4.95 | 346,407 |
| Australia True or False | 0 | - | 4.86 | 57,194 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,078 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,826 |
| Flags of North and South America | 0 | - | 4.99 | 377,737 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,060 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,953 |
| The Only American Country ... | 0 | - | 4.92 | 122,305 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,804 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,957 |
| Countries that Beat Brazil | 0 | - | 4.50 | 69,312 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,779 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,349 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,739 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,898 |
| North America Map Quiz | 0 | - | 4.98 | 252,554 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,276 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,251 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,938 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,926 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,025 |
| American Foods | 0 | - | 3.66 | 39,450 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,030 |
| Names of Generations | 0 | - | 4.09 | 45,574 |
| California Groups of Things | 0 | - | 4.26 | 45,798 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,140 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,078 |
| New York Groups of Things | 0 | - | 4.39 | 72,308 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,310 |
| American History Quotes #1 | 0 | - | 4.37 | 96,230 |
| American History Quotes #2 | 0 | - | 4.38 | 41,520 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,602 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,352 |
| US States Quiz | 0 | - | 5.00 | 17,013,923 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,816 |
| Movies by State | 0 | - | 4.27 | 40,617 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,828 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,140 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,940 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,631 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,221 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,579 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,970 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,223 |
