| Provinces of China | 0 | - | 4.97 | 208,770 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,208 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,959 |
| Japanese Prefectures | 0 | - | 4.98 | 139,374 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,620 |
| History of China | 0 | - | 4.35 | 57,669 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,838 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,443 |
| Chinese Inventions | 0 | - | 4.30 | 33,873 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,460 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,513 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,861 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,213 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,866 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,776 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,807 |
| Dynasties of China | 0 | - | 4.64 | 28,102 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,447 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,456 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,104 |
| Provinces of Turkey | 0 | - | 4.95 | 206,285 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,164 |
| Famous Chinese People | 0 | - | 4.09 | 11,932 |
| States of India | 0 | - | 4.94 | 196,433 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,633 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,809 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,527 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,907 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,925 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,424 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,988 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,873 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,380 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,942 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,255 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,821 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,915 |
| Japanese Companies | 0 | - | 4.29 | 34,393 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,995 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,035 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,227 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,813 |
| Name that Greek Letter | 0 | - | 4.93 | 325,230 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,702 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,719 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,997 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,077 |
| Asian Physical Geography | 0 | - | 4.61 | 35,642 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,232 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,202 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,625 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,850 |
| Official European Union Languages | 0 | - | 4.97 | 240,351 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,799 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,749 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,035 |
| Asian Islands | 0 | - | 4.49 | 20,918 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,521 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,136 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,711 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,270 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,709 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,686 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,762 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,380 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,228 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,379 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,378 |
| Middle East A-Z | 0 | - | 4.47 | 46,270 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,216 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,108 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,219 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,361 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,090 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,327 |
| Asia Map Quiz | 0 | - | 4.99 | 926,595 |
| A Quiz About Islam | 0 | - | 4.32 | 48,661 |
| History of Iran | 0 | - | 4.66 | 16,437 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,228 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,360 |
| History of India | 0 | - | 4.62 | 21,525 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,583 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,587 |
| Australia Map Quiz | 0 | - | 4.95 | 346,462 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,346 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,158 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,301 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,980 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,176 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,553 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,375 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,456 |
| The Only European Country ... | 0 | - | 4.91 | 219,531 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,802 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,097 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,275 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,222 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,454 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,105 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,069 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,494 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,572 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,002 |
| Word Chain - Asia | 0 | - | 4.34 | 29,404 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,150 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,988 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,959 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,621 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,099 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,735 |
| Countries of Africa | 0 | - | 5.00 | 2,564,305 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,234 |
| African East Coast | 0 | - | 4.96 | 96,918 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,798 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,981 |
| Australian States and Territories | 0 | - | 4.96 | 143,048 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,543 |
| Australia True or False | 0 | - | 4.87 | 57,207 |
| Flags of North and South America | 0 | - | 4.99 | 378,055 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,847 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,258 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,782 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,133 |
| North America Map Quiz | 0 | - | 4.98 | 252,721 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,037 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,018 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,283 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,654 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,239 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,066 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,030 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,758 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,515 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,898 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,126 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,115 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,455 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,715 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,349 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,904 |
| Slavic Countries | 0 | - | 4.96 | 112,491 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,744 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| Languages of Spain | 0 | - | 4.36 | 23,467 |
| Counties of England | 0 | - | 4.97 | 804,097 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,524 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,781 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,923 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,711 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,066 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,303 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,994 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,471 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,131 |
| Countries of the Middle East | 0 | - | 4.96 | 203,240 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,689 |
| History of Egypt | 0 | - | 4.58 | 24,113 |
| Japanese Loanwords | 0 | - | 4.47 | 84,932 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,909 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,564 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,954 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,131 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,049 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,675 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,406 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,938 |
| African Island Countries | 0 | - | 4.96 | 102,725 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,850 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,793 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,356 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,776 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,845 |
| Flags to Languages | 0 | - | 4.95 | 174,685 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,247 |
| Flags of Oceania | 0 | - | 5.00 | 263,415 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,802 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,659 |
| Australia Country Quiz | 0 | - | 4.43 | 69,885 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,106 |
| Regions of New Zealand | 0 | - | 4.84 | 28,799 |
| The Only American Country ... | 0 | - | 4.92 | 122,339 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,767 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,436 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,942 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,297 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,290 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,955 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,959 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,051 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,184 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,325 |
| US States Quiz | 0 | - | 5.00 | 17,019,902 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,608 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,084 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,972 |
