| Asian Geography By Letter - B | 0 | - | 4.85 | 67,087 |
| Provinces of China | 0 | - | 4.97 | 208,429 |
| Japanese Prefectures | 0 | - | 4.98 | 139,250 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,892 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,404 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,982 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,018 |
| Japanese Companies | 0 | - | 4.29 | 34,388 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,250 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,020 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,053 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,092 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,510 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,117 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,701 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,256 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,697 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,172 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,791 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,356 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,360 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,723 |
| Middle East A-Z | 0 | - | 4.47 | 46,261 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,785 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,612 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,914 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,065 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,023 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,093 |
| A Quiz About Islam | 0 | - | 4.32 | 48,650 |
| Provinces of Turkey | 0 | - | 4.95 | 206,131 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,209 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,134 |
| Famous Chinese People | 0 | - | 4.09 | 11,928 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,435 |
| States of India | 0 | - | 4.94 | 196,286 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,267 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,210 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,441 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,094 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,051 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,480 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,973 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,810 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,976 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,735 |
| Chinese Inventions | 0 | - | 4.30 | 33,870 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,457 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,503 |
| Japan Country Quiz | 0 | - | 4.93 | 143,463 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,993 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,639 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,761 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,851 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,125 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,349 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,846 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,235 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,828 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,328 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,828 |
| Asian Physical Geography | 0 | - | 4.61 | 35,635 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,225 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,691 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,180 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,290 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,854 |
| Africa A-Z | 0 | - | 4.57 | 46,791 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,568 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,311 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,711 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,213 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,572 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,242 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,743 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,261 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,872 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,149 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,753 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,314 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,542 |
| Famous Germans | 0 | - | 4.50 | 55,841 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,485 |
| Asian Islands | 0 | - | 4.49 | 20,916 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,674 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,756 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,373 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,222 |
| Turkey A-Z | 0 | - | 4.04 | 11,937 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,178 |
| Dynasties of China | 0 | - | 4.64 | 28,092 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,437 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,069 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,574 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,326,894 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,940 |
| Australian Capitals | 0 | - | 4.92 | 62,851 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,116 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,394 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,640 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,775 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,124 |
| Canada A-Z | 0 | - | 4.73 | 32,984 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,811 |
| Official European Union Languages | 0 | - | 4.97 | 239,963 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,757 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,368 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,621 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,327 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,097 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,682 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,323 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,708 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,681 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,981 |
| European Geography A-Z | 0 | - | 4.29 | 49,507 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,204 |
| Famous French People | 0 | - | 4.05 | 36,135 |
| History of The Netherlands | 0 | - | 4.46 | 17,565 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,406 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,183 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,084 |
| Asia Map Quiz | 0 | - | 4.99 | 926,139 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,988 |
| History of Iran | 0 | - | 4.66 | 16,434 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,091 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,909 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,728 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,334 |
| History of China | 0 | - | 4.35 | 57,642 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,717 |
| North Korea Country Quiz | 0 | - | 3.82 | 33,766 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,775 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,742 |
| History of India | 0 | - | 4.62 | 21,523 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,017 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,685 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,555 |
| Australian States and Territories | 0 | - | 4.96 | 142,966 |
| Famous Australians by Description | 0 | - | 4.23 | 28,174 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,521 |
| Australia Map Quiz | 0 | - | 4.95 | 346,348 |
| Australia True or False | 0 | - | 4.87 | 57,187 |
| Flags of North and South America | 0 | - | 4.99 | 377,632 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,058 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,938 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,662 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,710 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,664 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,439 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,587 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,762 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,699 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,843 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,052 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,779 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,784 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,822 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,777 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,636 |
| North America Map Quiz | 0 | - | 4.98 | 252,515 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,019 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,034 |
| People on Money - United States | 0 | - | 4.31 | 63,443 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,756 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,092 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,623 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,197 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,967 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,219 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,524 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,076 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,154 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,455 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,664 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,379 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,708 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,443 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,098 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,867 |
| The Only European Country ... | 0 | - | 4.91 | 219,387 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,003 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,260 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,732 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,884 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,652 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,302 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,866 |
| Slavic Countries | 0 | - | 4.96 | 112,464 |
| Russian History A-Z | 0 | - | 4.35 | 32,273 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,677 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,154 |
| France A-Z | 0 | - | 4.16 | 38,353 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,724 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,498 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,251 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| Switzerland A-Z | 0 | - | 4.45 | 25,781 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,083 |
