| Provinces of China | 0 | - | 4.97 | 206,015 |
| Japanese Prefectures | 0 | - | 4.98 | 137,975 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,854 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,488 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,821 |
| China's Territorial Disputes | 0 | - | 4.47 | 35,702 |
| Chinese Inventions | 0 | - | 4.30 | 33,828 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,431 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,428 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,656 |
| Ancient Greek Words | 0 | - | 4.93 | 112,027 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,722 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,945 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,237 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,626 |
| Dynasties of China | 0 | - | 4.64 | 27,982 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,303 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,764 |
| Provinces of Turkey | 0 | - | 4.94 | 204,897 |
| Famous Chinese People | 0 | - | 4.09 | 11,893 |
| History of China | 0 | - | 4.37 | 57,372 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,212 |
| States of India | 0 | - | 4.95 | 194,540 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,463 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,472 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,211 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,657 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,479 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,820 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,540 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,004 |
| Japan Country Quiz | 0 | - | 4.93 | 142,850 |
| Japanese Companies | 0 | - | 4.28 | 34,276 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,958 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,835 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,067 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,157 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,747 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,575 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,568 |
| Name that Greek Letter | 0 | - | 4.93 | 324,320 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,649 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,086 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,061 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,999 |
| Japanese Loanwords | 0 | - | 4.47 | 84,737 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,911 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,599 |
| Asian Physical Geography | 0 | - | 4.61 | 35,571 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,147 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,593 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,946 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,686 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,757 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,146 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,850 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,956 |
| German Loan Words | 0 | - | 4.28 | 139,580 |
| Asian Islands | 0 | - | 4.49 | 20,871 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,298 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,872 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,524 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,035 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,497 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,573 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,633 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,306 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,131 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,156 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,075 |
| Middle East A-Z | 0 | - | 4.47 | 46,170 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,554 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,583 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,739 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,599 |
| Australian Capitals | 0 | - | 4.92 | 62,774 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,392 |
| Official European Union Languages | 0 | - | 4.97 | 239,065 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,227 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,461 |
| American to British Word Translation | 0 | - | 4.14 | 139,392 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,037 |
| Asia Map Quiz | 0 | - | 4.99 | 920,515 |
| A Quiz About Islam | 0 | - | 4.31 | 48,521 |
| History of Iran | 0 | - | 4.66 | 16,390 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,989 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,152 |
| Geography of China | 0 | - | 4.21 | 13,984 |
| Sushi Translation | 0 | - | 4.08 | 13,957 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,636 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,608 |
| History of India | 0 | - | 4.62 | 21,467 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,898 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,028 |
| Australia Map Quiz | 0 | - | 4.95 | 345,376 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,692 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,979 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,998 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,767 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,809 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,285 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,146 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,885 |
| The Only European Country ... | 0 | - | 4.91 | 217,692 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,777 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,658 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| British Spellings | 0 | - | 4.06 | 99,526 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,156 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,044 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,308 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,908 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,865 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,327 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,533 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,858 |
| Word Chain - Asia | 0 | - | 4.34 | 29,361 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,426 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,826 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,262 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,588 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,617 |
| History of Egypt | 0 | - | 4.58 | 24,067 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,011 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,607 |
| China Country Quiz | 0 | - | 4.37 | 122,541 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,698 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,833 |
| Countries of Africa | 0 | - | 5.00 | 2,547,466 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,187 |
| African East Coast | 0 | - | 4.96 | 96,379 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,227 |
| Flags of Oceania | 0 | - | 5.00 | 260,944 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,466 |
| Australian States and Territories | 0 | - | 4.96 | 142,344 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,006 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,384 |
| Australian Slang | 0 | - | 4.24 | 28,666 |
| Australia True or False | 0 | - | 4.87 | 56,988 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,755 |
| Regions of New Zealand | 0 | - | 4.84 | 28,613 |
| Flags of North and South America | 0 | - | 4.99 | 374,783 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,748 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,458 |
| The Only American Country ... | 0 | - | 4.92 | 121,882 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,345 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,206 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,365 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,654 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,159 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,769 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,303 |
| North America Map Quiz | 0 | - | 4.98 | 249,758 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,915 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,482 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,651 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,825 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,833 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,663 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,496 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,074 |
| US States Quiz | 0 | - | 5.00 | 16,931,656 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,030 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,158 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,174 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,356 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,268 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,997 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,196 |
| Celtic Nations | 0 | - | 4.69 | 47,008 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,188 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,680 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,037 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,543 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,122 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,960 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,454 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,846 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,706 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,460 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,622 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,807 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,071 |
| Monarchies of Europe | 0 | - | 4.90 | 98,439 |
| European Countries with One Border | 0 | - | 4.97 | 183,240 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,015 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,446 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,782 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,851 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,421 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,441 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,686 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,490 |
| Slavic Countries | 0 | - | 4.96 | 111,987 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,255 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,183 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,962 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,316 |
| States of Germany | 0 | - | 4.95 | 153,508 |
