| Asian Geography By Letter - B | 0 | - | 4.85 | 67,120 |
| Provinces of China | 0 | - | 4.97 | 209,003 |
| Japanese Prefectures | 0 | - | 4.98 | 139,447 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,063 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,455 |
| South Korea Country Quiz | 0 | - | 4.74 | 80,024 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,046 |
| Japanese Companies | 0 | - | 4.29 | 34,400 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,298 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,072 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,093 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,152 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,537 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,148 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,720 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,285 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,725 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,247 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,926 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,393 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,397 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,817 |
| Middle East A-Z | 0 | - | 4.47 | 46,277 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,824 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,629 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,998 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,120 |
| A Quiz About Islam | 0 | - | 4.32 | 48,668 |
| Provinces of Turkey | 0 | - | 4.95 | 206,354 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,239 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,196 |
| Famous Chinese People | 0 | - | 4.09 | 11,934 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,456 |
| States of India | 0 | - | 4.94 | 196,567 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,279 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,230 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,463 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,111 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,079 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,504 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,993 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,833 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,055 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,885 |
| Chinese Inventions | 0 | - | 4.30 | 33,876 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,464 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,522 |
| Japan Country Quiz | 0 | - | 4.93 | 143,554 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,997 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,725 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,801 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,880 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,136 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,402 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 277,000 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,280 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,843 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,405 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,128 |
| Asian Physical Geography | 0 | - | 4.61 | 35,644 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,238 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,707 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,220 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,325 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,866 |
| Africa A-Z | 0 | - | 4.57 | 46,802 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,607 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,369 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,784 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,291 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,812 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,295 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,826 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,297 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,902 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,174 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,796 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,008 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,573 |
| Famous Germans | 0 | - | 4.50 | 55,882 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,555 |
| Asian Islands | 0 | - | 4.49 | 20,921 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,693 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,776 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,388 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,237 |
| Turkey A-Z | 0 | - | 4.04 | 11,943 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,237 |
| Dynasties of China | 0 | - | 4.64 | 28,108 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,458 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,133 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,694 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,327,887 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,511 |
| Australian Capitals | 0 | - | 4.92 | 62,864 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,162 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,605 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,653 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,841 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,414 |
| Canada A-Z | 0 | - | 4.73 | 32,998 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,875 |
| Official European Union Languages | 0 | - | 4.97 | 240,399 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,848 |
| European Geography By Letter - E | 0 | - | 4.23 | 116,291 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,674 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,360 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,147 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,708 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,358 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,735 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,696 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,997 |
| European Geography A-Z | 0 | - | 4.29 | 49,527 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,446 |
| Famous French People | 0 | - | 4.05 | 36,170 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,474 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,553 |
| Asia Map Quiz | 0 | - | 4.99 | 926,940 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,020 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,108 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,930 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,739 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,370 |
| History of China | 0 | - | 4.35 | 57,694 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,720 |
| North Korea Country Quiz | 0 | - | 3.82 | 33,783 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,766 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,644 |
| History of India | 0 | - | 4.62 | 21,530 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,008 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,814 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,621 |
| Australian States and Territories | 0 | - | 4.96 | 143,092 |
| Famous Australians by Description | 0 | - | 4.23 | 28,196 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,551 |
| Australia Map Quiz | 0 | - | 4.95 | 346,541 |
| Australia True or False | 0 | - | 4.87 | 57,227 |
| Flags of North and South America | 0 | - | 4.99 | 378,272 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,998 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,699 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,755 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,713 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,472 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,627 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,789 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,738 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,882 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,085 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,823 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,896 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,635 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,790 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,628 |
| North America Map Quiz | 0 | - | 4.98 | 252,873 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,040 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,049 |
| People on Money - United States | 0 | - | 4.31 | 63,490 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,212 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,478 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,678 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,396 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,252 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,290 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,815 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,631 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,366 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,393 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,808 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,563 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,327 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,918 |
| The Only European Country ... | 0 | - | 4.91 | 219,651 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,227 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,591 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,866 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,929 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,777 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,395 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,932 |
| Slavic Countries | 0 | - | 4.96 | 112,528 |
| Russian History A-Z | 0 | - | 4.35 | 32,311 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,683 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,163 |
| France A-Z | 0 | - | 4.16 | 38,366 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,758 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,515 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,262 |
| Famous Irish People | 0 | - | 4.05 | 46,082 |
| Switzerland A-Z | 0 | - | 4.45 | 25,796 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,115 |
| Counties of England | 0 | - | 4.97 | 804,421 |
| London A-Z | 0 | - | 4.10 | 40,912 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,112 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,959 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,751 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,095 |
