| Top Asian Languages on a Map | 0 | - | 4.95 | 72,288 |
| Provinces of China | 0 | - | 4.97 | 209,189 |
| Japanese Prefectures | 0 | - | 4.98 | 139,570 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,143 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,997 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,876 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,455 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,996 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,863 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,834 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,591 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,641 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,184 |
| Provinces of Turkey | 0 | - | 4.95 | 206,434 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,211 |
| States of India | 0 | - | 4.94 | 196,735 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,659 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,859 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,650 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 98,011 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,848 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,974 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,939 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,095 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,928 |
| Chinese Inventions | 0 | - | 4.30 | 33,879 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,470 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,533 |
| Japan Country Quiz | 0 | - | 4.93 | 143,614 |
| Japanese Companies | 0 | - | 4.29 | 34,404 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,068 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,481 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,762 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,478 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,392 |
| Name that Greek Letter | 0 | - | 4.93 | 325,409 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,893 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,425 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 277,050 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,300 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,861 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,274 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,059 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,114 |
| Asian Physical Geography | 0 | - | 4.61 | 35,649 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,242 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,710 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,237 |
| Famous Chinese People | 0 | - | 4.09 | 11,936 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,395 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,060 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,634 |
| Asian Islands | 0 | - | 4.49 | 20,924 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,567 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,181 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,747 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,310 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,750 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,699 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,787 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,393 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,247 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,423 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,435 |
| Middle East A-Z | 0 | - | 4.47 | 46,284 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,278 |
| Dynasties of China | 0 | - | 4.64 | 28,115 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,476 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,165 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,762 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,847 |
| Australian Capitals | 0 | - | 4.92 | 62,886 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,888 |
| Official European Union Languages | 0 | - | 4.97 | 240,472 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,893 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,592 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,101 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,764 |
| Asia Map Quiz | 0 | - | 4.99 | 927,270 |
| A Quiz About Islam | 0 | - | 4.32 | 48,672 |
| History of Iran | 0 | - | 4.66 | 16,444 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,256 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,391 |
| History of China | 0 | - | 4.35 | 57,709 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,802 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,771 |
| History of India | 0 | - | 4.62 | 21,531 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,527 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,654 |
| Australia Map Quiz | 0 | - | 4.95 | 346,645 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,399 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,182 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,507 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,012 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,390 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,713 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,415 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,618 |
| The Only European Country ... | 0 | - | 4.91 | 219,786 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,932 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,296 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,254 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,479 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,137 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,098 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,523 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,581 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,042 |
| Word Chain - Asia | 0 | - | 4.34 | 29,407 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,263 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 35,013 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,300 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,628 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,700 |
| History of Egypt | 0 | - | 4.58 | 24,119 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,112 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,752 |
| China Country Quiz | 0 | - | 4.38 | 123,167 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,723 |
| Japanese Loanwords | 0 | - | 4.47 | 84,956 |
| South Korea Country Quiz | 0 | - | 4.74 | 80,052 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,922 |
| Countries of Africa | 0 | - | 5.00 | 2,566,613 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,325 |
| African East Coast | 0 | - | 4.96 | 96,971 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,874 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,004 |
| Flags of Oceania | 0 | - | 5.00 | 263,734 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,832 |
| Australian States and Territories | 0 | - | 4.96 | 143,139 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,751 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,562 |
| Australia True or False | 0 | - | 4.87 | 57,253 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,150 |
| Regions of New Zealand | 0 | - | 4.84 | 28,814 |
| Flags of North and South America | 0 | - | 4.99 | 378,537 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,101 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,028 |
| The Only American Country ... | 0 | - | 4.92 | 122,404 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,822 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,937 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,056 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,798 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,640 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,067 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,037 |
| North America Map Quiz | 0 | - | 4.98 | 253,058 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,360 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,406 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,994 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,045 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,053 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,113 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,324 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,356 |
| US States Quiz | 0 | - | 5.00 | 17,032,893 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,418 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,675 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,700 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,655 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,613 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,279 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,790 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,856 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,598 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,040 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,808 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,960 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,974 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,175 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,937 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,352 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,790 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,726 |
| Monarchies of Europe | 0 | - | 4.90 | 99,099 |
| European Countries with One Border | 0 | - | 4.97 | 184,111 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,830 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,336 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,849 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,652 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,088 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,239 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,442 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,965 |
| Slavic Countries | 0 | - | 4.96 | 112,568 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,045 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,633 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,874 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,064 |
| States of Germany | 0 | - | 4.95 | 155,064 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,775 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,862 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,534 |
| Regions of Italy | 0 | - | 4.92 | 77,330 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,972 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,688 |
| Languages of Spain | 0 | - | 4.36 | 23,475 |
