| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,300 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,859 |
| Provinces of China | 0 | - | 4.97 | 206,813 |
| Japanese Prefectures | 0 | - | 4.98 | 138,394 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,245 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,967 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,790 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,143 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,203 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,358 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,674 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,885 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,527 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,860 |
| Provinces of Turkey | 0 | - | 4.94 | 205,332 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,938 |
| States of India | 0 | - | 4.95 | 195,121 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,579 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,700 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,705 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,627 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,852 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,695 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,248 |
| Chinese Inventions | 0 | - | 4.30 | 33,844 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,438 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,457 |
| Japan Country Quiz | 0 | - | 4.93 | 143,053 |
| Japanese Companies | 0 | - | 4.29 | 34,306 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,900 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,198 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,311 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,194 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,475 |
| Name that Greek Letter | 0 | - | 4.93 | 324,606 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,722 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,171 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,332 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,077 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,743 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,502 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,627 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,605 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,829 |
| Asian Physical Geography | 0 | - | 4.61 | 35,588 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,171 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,620 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,033 |
| Famous Chinese People | 0 | - | 4.09 | 11,907 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,586 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,907 |
| Asian Islands | 0 | - | 4.49 | 20,882 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,350 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,943 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,575 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,094 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,560 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,609 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,678 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,326 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,160 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,217 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,172 |
| Middle East A-Z | 0 | - | 4.47 | 46,200 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,766 |
| Dynasties of China | 0 | - | 4.64 | 28,019 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,346 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,736 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,006 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,673 |
| Australian Capitals | 0 | - | 4.92 | 62,801 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,540 |
| Official European Union Languages | 0 | - | 4.97 | 239,383 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,410 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,072 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,012 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,956 |
| Asia Map Quiz | 0 | - | 4.99 | 922,734 |
| A Quiz About Islam | 0 | - | 4.31 | 48,560 |
| History of Iran | 0 | - | 4.66 | 16,401 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,062 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,204 |
| History of China | 0 | - | 4.35 | 57,452 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,682 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,651 |
| History of India | 0 | - | 4.62 | 21,486 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,567 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,201 |
| Australia Map Quiz | 0 | - | 4.95 | 345,704 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,270 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,038 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,360 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,820 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,203 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,655 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,208 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,661 |
| The Only European Country ... | 0 | - | 4.91 | 218,252 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,098 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,988 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,186 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,092 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,344 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,965 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,906 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,378 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,542 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,911 |
| Word Chain - Asia | 0 | - | 4.34 | 29,371 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,661 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,867 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,097 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,599 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,636 |
| History of Egypt | 0 | - | 4.58 | 24,086 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,031 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,645 |
| China Country Quiz | 0 | - | 4.37 | 122,691 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,702 |
| Japanese Loanwords | 0 | - | 4.47 | 84,797 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,799 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,857 |
| Countries of Africa | 0 | - | 5.00 | 2,552,024 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,583 |
| African East Coast | 0 | - | 4.96 | 96,523 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,395 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,594 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,465 |
| Flags of Oceania | 0 | - | 5.00 | 261,685 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,525 |
| Australian States and Territories | 0 | - | 4.96 | 142,566 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,257 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,433 |
| Australia True or False | 0 | - | 4.87 | 57,054 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,861 |
| Regions of New Zealand | 0 | - | 4.84 | 28,654 |
| Flags of North and South America | 0 | - | 4.99 | 375,692 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,852 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,617 |
| The Only American Country ... | 0 | - | 4.92 | 122,029 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,370 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,902 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,703 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,123 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,558 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,523 |
| North America Map Quiz | 0 | - | 4.98 | 250,545 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,006 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,649 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,750 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,560 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,914 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,787 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,737 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,164 |
| US States Quiz | 0 | - | 5.00 | 16,957,698 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,015 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,986 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,446 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,354 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,067 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,181 |
| Celtic Nations | 0 | - | 4.61 | 47,057 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,516 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,293 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,250 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,806 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,291 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,207 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,582 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,142 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,866 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,579 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,065 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,763 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,254 |
| Monarchies of Europe | 0 | - | 4.90 | 98,600 |
| European Countries with One Border | 0 | - | 4.97 | 183,461 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,213 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,191 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,033 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,043 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,667 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,906 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,616 |
| Slavic Countries | 0 | - | 4.96 | 112,153 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,770 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,304 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,307 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,493 |
| States of Germany | 0 | - | 4.95 | 153,905 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,603 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,502 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Regions of Italy | 0 | - | 4.92 | 76,629 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,633 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,959 |
| Languages of Spain | 0 | - | 4.36 | 23,392 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,576 |
