| English Words of Arabic Origin | 0 | - | 4.54 | 49,899 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,600 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,802 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,411 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,781 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,208 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,953 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,666 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,742 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,369 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,121 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,709 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,657 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,762 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,696 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,757 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,068 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,152 |
| Provinces of Turkey | 0 | - | 4.95 | 206,046 |
| Provinces of China | 0 | - | 4.97 | 208,234 |
| Japanese Prefectures | 0 | - | 4.98 | 139,148 |
| States of India | 0 | - | 4.94 | 196,047 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,591 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,391 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,546 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,753 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,864 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,756 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,002 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,011 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,020 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,138 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,824 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,948 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,975 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,780 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,835 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,085 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,129 |
| Geography of Egypt | 0 | - | 4.60 | 21,620 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,795 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,851 |
| Sushi Translation | 0 | - | 4.08 | 13,988 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,480 |
| Name a Valid African Country | 0 | - | 4.98 | 155,103 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,731 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,035 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,648 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,244 |
| Name that Greek Letter | 0 | - | 4.93 | 325,077 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,311 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,990 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,829 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,326 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,768 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,212 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,555 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,963 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,501 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,814 |
| Japanese Loanwords | 0 | - | 4.47 | 84,900 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,147 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,137 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,431 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,348 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,661 |
| Ancient Greek Words | 0 | - | 4.93 | 112,529 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,487 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,025 |
| Asian Physical Geography | 0 | - | 4.61 | 35,625 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,214 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,684 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,153 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,226 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,400 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,846 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,326 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,660 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,538 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,201 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,473 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,438 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,002 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,942 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,857 |
| Asian Islands | 0 | - | 4.49 | 20,911 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,487 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,095 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,685 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,235 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,680 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,214 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,335 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,334 |
| Middle East A-Z | 0 | - | 4.47 | 46,250 |
| Provinces of the Philippines | 0 | - | 4.56 | 51,128 |
| Dynasties of China | 0 | - | 4.64 | 28,080 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,599 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,420 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,028 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,099 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,476 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,909 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 178,182 |
| NFL Football Last Names | 0 | - | 4.43 | 172,080 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,712 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,139 |
| Australian Capitals | 0 | - | 4.92 | 62,839 |
| Word Chain - Australia | 0 | - | 4.38 | 38,250 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,207 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,914 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,068 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,448 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,130 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,704 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,773 |
| Official European Union Languages | 0 | - | 4.97 | 239,871 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,704 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,906 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,050 |
| Word Chain - France | 0 | - | 4.38 | 42,946 |
| Mediterranean Foods | 0 | - | 3.80 | 11,503 |
| Italian Foods | 0 | - | 4.30 | 73,302 |
| Byzantine History | 0 | - | 4.91 | 29,030 |
| Byzantine Emperors | 0 | - | 4.93 | 14,617 |
| British Groups of Things | 0 | - | 4.26 | 83,027 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,116 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,254 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,194 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,427 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,078 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,032 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,466 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,776 |
| Asia Map Quiz | 0 | - | 4.99 | 925,644 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,955 |
| A Quiz About Islam | 0 | - | 4.32 | 48,630 |
| Flags of the Middle East | 0 | - | 4.69 | 62,838 |
| History of Iran | 0 | - | 4.66 | 16,427 |
| Iran Country Quiz | 0 | - | 4.49 | 60,715 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,158 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,197 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,083 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,726 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,315 |
| Geography of China | 0 | - | 4.21 | 14,024 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,104 |
| Chinese Inventions | 0 | - | 4.30 | 33,865 |
| History of China | 0 | - | 4.35 | 57,611 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,454 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,497 |
| Japanese Companies | 0 | - | 4.29 | 34,377 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,989 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,422 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,999 |
| History of India | 0 | - | 4.62 | 21,522 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,350 |
| Biblical Names Still Popular Today | 0 | - | 4.28 | 51,619 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,694 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,330 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,861 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,762 |
| NBA Players by Last Name | 0 | - | 4.30 | 85,434 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,856 |
| Actresses by Last Name #1 | 0 | - | 4.26 | 63,928 |
| Actors by Last Name #2 | 0 | - | 4.02 | 59,217 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,626 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,706 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,502 |
| Australian States and Territories | 0 | - | 4.96 | 142,912 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,513 |
| Australia Map Quiz | 0 | - | 4.95 | 346,256 |
| Australia True or False | 0 | - | 4.87 | 57,164 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,805 |
| Flags of North and South America | 0 | - | 4.99 | 377,340 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,025 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,898 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,720 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,096 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,267 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,768 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,124 |
| North America Map Quiz | 0 | - | 4.98 | 252,269 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,997 |
| California Groups of Things | 0 | - | 4.26 | 45,778 |
| New York Groups of Things | 0 | - | 4.39 | 72,190 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,594 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,435 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,289 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,477 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,809 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,594 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,070 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,948 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,201 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
