| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,452 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,228 |
| Provinces of China | 0 | - | 4.97 | 208,860 |
| Japanese Prefectures | 0 | - | 4.98 | 139,408 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,032 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,996 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,864 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,277 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,899 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,796 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,817 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,485 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,622 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,111 |
| Provinces of Turkey | 0 | - | 4.95 | 206,315 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,180 |
| States of India | 0 | - | 4.94 | 196,509 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,637 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,823 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,551 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,931 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,827 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,940 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,921 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,037 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,838 |
| Chinese Inventions | 0 | - | 4.30 | 33,873 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,461 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,517 |
| Japan Country Quiz | 0 | - | 4.93 | 143,527 |
| Japanese Companies | 0 | - | 4.29 | 34,396 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,042 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,437 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,707 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,286 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,969 |
| Name that Greek Letter | 0 | - | 4.93 | 325,286 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,877 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,390 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,973 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,271 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,841 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,061 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,015 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,084 |
| Asian Physical Geography | 0 | - | 4.61 | 35,642 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,235 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,703 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,212 |
| Famous Chinese People | 0 | - | 4.09 | 11,933 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,453 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,040 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,455 |
| Asian Islands | 0 | - | 4.49 | 20,921 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,529 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,142 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,716 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,277 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,717 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,690 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,769 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,384 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,233 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,383 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,388 |
| Middle East A-Z | 0 | - | 4.47 | 46,275 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,228 |
| Dynasties of China | 0 | - | 4.64 | 28,103 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,452 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,122 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,666 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,397 |
| Australian Capitals | 0 | - | 4.92 | 62,862 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,867 |
| Official European Union Languages | 0 | - | 4.97 | 240,373 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,822 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,405 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,092 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,452 |
| Asia Map Quiz | 0 | - | 4.99 | 926,784 |
| A Quiz About Islam | 0 | - | 4.32 | 48,663 |
| History of Iran | 0 | - | 4.66 | 16,438 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,238 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,364 |
| History of China | 0 | - | 4.35 | 57,678 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,789 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,758 |
| History of India | 0 | - | 4.62 | 21,527 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,804 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,601 |
| Australia Map Quiz | 0 | - | 4.95 | 346,511 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,592 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,162 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,348 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,989 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,240 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,601 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,383 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,497 |
| The Only European Country ... | 0 | - | 4.91 | 219,595 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,835 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,106 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,278 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,224 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,458 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,108 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,076 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,497 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,576 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,010 |
| Word Chain - Asia | 0 | - | 4.34 | 29,404 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,178 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,991 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,052 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,624 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,691 |
| History of Egypt | 0 | - | 4.58 | 24,114 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,104 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,737 |
| China Country Quiz | 0 | - | 4.38 | 123,102 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,719 |
| Japanese Loanwords | 0 | - | 4.47 | 84,940 |
| South Korea Country Quiz | 0 | - | 4.74 | 80,014 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,911 |
| Countries of Africa | 0 | - | 5.00 | 2,564,784 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,256 |
| African East Coast | 0 | - | 4.96 | 96,929 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,818 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,988 |
| Flags of Oceania | 0 | - | 5.00 | 263,500 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,808 |
| Australian States and Territories | 0 | - | 4.96 | 143,066 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,691 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,545 |
| Australia True or False | 0 | - | 4.87 | 57,216 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,114 |
| Regions of New Zealand | 0 | - | 4.84 | 28,800 |
| Flags of North and South America | 0 | - | 4.99 | 378,146 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,081 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,976 |
| The Only American Country ... | 0 | - | 4.92 | 122,352 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,778 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,879 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,442 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,786 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,496 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,333 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,975 |
| North America Map Quiz | 0 | - | 4.98 | 252,808 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,314 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,310 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,965 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,977 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,064 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,211 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,337 |
| US States Quiz | 0 | - | 5.00 | 17,023,268 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,114 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,407 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,662 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,621 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,246 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,433 |
| Celtic Nations | 0 | - | 4.61 | 47,129 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,097 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,237 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,787 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,530 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,993 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,729 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,911 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,869 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,139 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,910 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,192 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,529 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,627 |
| Monarchies of Europe | 0 | - | 4.90 | 99,039 |
| European Countries with One Border | 0 | - | 4.97 | 184,030 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,743 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,079 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,747 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,555 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,017 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,178 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,367 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,919 |
| Slavic Countries | 0 | - | 4.96 | 112,513 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,937 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,584 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,815 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,982 |
| States of Germany | 0 | - | 4.95 | 154,942 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,752 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,808 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,510 |
| Regions of Italy | 0 | - | 4.92 | 77,265 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,917 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,596 |
