| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,358 |
| BTS Members (K-Pop) | 0 | - | 3.37 | 27,257 |
| Countries by National Anthem | 0 | - | 4.92 | 71,370 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,915 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,308 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,439 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,690 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,894 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,836 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,487 |
| Provinces of Turkey | 0 | - | 4.94 | 205,473 |
| Provinces of China | 0 | - | 4.97 | 207,184 |
| Japanese Prefectures | 0 | - | 4.98 | 138,549 |
| States of India | 0 | - | 4.95 | 195,318 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,727 |
| Countries that Border China | 0 | - | 4.96 | 264,026 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,741 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,439 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,073 |
| Japanese Loanwords | 0 | - | 4.47 | 84,824 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,597 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,629 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,745 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,205 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,426 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,115 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,763 |
| Countries that Beat China | 0 | - | 4.85 | 116,551 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,759 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,143 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,183 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,415 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,902 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,945 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,598 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,884 |
| Asian Physical Geography | 0 | - | 4.61 | 35,599 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,182 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,637 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,059 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,803 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,706 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,788 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,683 |
| Asian Islands | 0 | - | 4.49 | 20,887 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,375 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,971 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,596 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,116 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,585 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,625 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,696 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,339 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,171 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,245 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,202 |
| A Quiz About Islam | 0 | - | 4.32 | 48,570 |
| Middle East A-Z | 0 | - | 4.47 | 46,211 |
| History of Iran | 0 | - | 4.66 | 16,409 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,091 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,841 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,232 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,988 |
| Dynasties of China | 0 | - | 4.64 | 28,031 |
| History of China | 0 | - | 4.35 | 57,488 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,544 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,365 |
| Sushi Translation | 0 | - | 4.08 | 13,978 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,335 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,796 |
| History of India | 0 | - | 4.62 | 21,493 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,085 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,751 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,085 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,164 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,307 |
| Australian Capitals | 0 | - | 4.92 | 62,810 |
| Australia Map Quiz | 0 | - | 4.95 | 345,854 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,289 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,531 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,850 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,373 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,596 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,808 |
| Official European Union Languages | 0 | - | 4.97 | 239,489 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,487 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,238 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,798 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,325 |
| The Only European Country ... | 0 | - | 4.91 | 218,471 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,214 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,009 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,019 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,021 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,198 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,108 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,362 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,991 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,931 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,394 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,284 |
| Asia Map Quiz | 0 | - | 4.99 | 923,435 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,546 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,927 |
| Word Chain - Asia | 0 | - | 4.34 | 29,378 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,719 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,888 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,400 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,601 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,642 |
| History of Egypt | 0 | - | 4.58 | 24,088 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,043 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,862 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,674 |
| Chinese Inventions | 0 | - | 4.30 | 33,849 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,441 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,466 |
| China by Picture | 0 | - | 4.51 | 63,594 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,749 |
| China Multiple Choice | 0 | - | 4.50 | 37,385 |
| Japanese Companies | 0 | - | 4.29 | 34,323 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,974 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,293 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,836 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,925 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,865 |
| Countries of Africa | 0 | - | 5.00 | 2,553,915 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,412 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,662 |
| African East Coast | 0 | - | 4.96 | 96,597 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,441 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,532 |
| Rappers by Picture | 0 | - | 4.23 | 135,444 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,477 |
| Flags of Oceania | 0 | - | 5.00 | 261,982 |
| Australian States and Territories | 0 | - | 4.96 | 142,669 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,342 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia True or False | 0 | - | 4.87 | 57,085 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,902 |
| Flags of North and South America | 0 | - | 4.99 | 376,014 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,879 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,662 |
| The Only American Country ... | 0 | - | 4.92 | 122,080 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,533 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,450 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,537 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,353 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,295 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,658 |
| North America Map Quiz | 0 | - | 4.98 | 250,973 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,041 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,751 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,784 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,634 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,822 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,831 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,071 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,184 |
| US States Quiz | 0 | - | 5.00 | 16,967,195 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,336 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,353 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,832 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,478 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,404 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,105 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,368 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,590 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,024 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,321 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,865 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,358 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,325 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,267 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,632 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,266 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,905 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,642 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,293 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,102 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,314 |
| Monarchies of Europe | 0 | - | 4.90 | 98,687 |
| European Countries with One Border | 0 | - | 4.97 | 183,544 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,299 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,323 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,128 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,126 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,753 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,973 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,658 |
| Slavic Countries | 0 | - | 4.96 | 112,214 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,028 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,352 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,397 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,595 |
| States of Germany | 0 | - | 4.95 | 154,086 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,635 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,567 |