| Japanese Prefectures | 0 | - | 4.98 | 121,810 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,923 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 267,971 |
| Countries Closest to Japan | 0 | - | 4.93 | 133,388 |
| Japanese Companies | 0 | - | 4.30 | 33,186 |
| Japanese Loanwords | 0 | - | 4.49 | 82,284 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.87 | 83,858 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,331 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,795 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 59,912 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,086 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,659 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 66,293 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 220,762 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 41,140 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.94 | 44,061 |
| Middle East A-Z | 0 | - | 4.46 | 44,512 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 53,686 |
| States of India | 0 | - | 4.94 | 174,712 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,422 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,865 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.41 | 28,130 |
| A Quiz About Islam | 0 | - | 4.28 | 46,718 |
| Provinces of Turkey | 0 | - | 4.95 | 190,377 |
| Countries That Don't Recognize Israel | 0 | - | 4.57 | 32,316 |
| Provinces of China | 0 | - | 4.97 | 179,062 |
| Japan Country Quiz | 0 | - | 4.92 | 127,595 |
| Four Main Islands of Japan | 0 | - | 4.52 | 25,583 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,440 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,789 |
| Sushi Translation | 0 | - | 4.07 | 13,592 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 78,109 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 55,038 |
| Asian Geography by Letter - D | 0 | - | 4.26 | 50,391 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 49,813 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 65,947 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 63,065 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 48,621 |
| Asian Geography By Letter - J | 0 | - | 4.29 | 33,205 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 29,155 |
| Countries Closest to Yemen | 0 | - | 4.89 | 20,647 |
| Countries that Border China | 0 | - | 4.96 | 254,863 |
| Closest Countries to North Korea | 0 | - | 4.92 | 109,538 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,169 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 49,155 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 84,689 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 261,395 |
| China's Territorial Disputes | 0 | - | 4.43 | 34,314 |
| Countries that Beat China | 0 | - | 4.85 | 109,405 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 91,695 |
| Japan Multiple Choice | 0 | - | 4.48 | 39,468 |
| Africa A-Z | 0 | - | 4.57 | 45,169 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 508,655 |
| Asian Physical Geography | 0 | - | 4.59 | 34,607 |
| East Asian Islands on the Map | 0 | - | 4.53 | 32,046 |
| Asia's Busiest Airports | 0 | - | 4.77 | 49,590 |
| Asian Geography By Letter - R | 0 | - | 4.39 | 25,577 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.83 | 51,228 |
| Famous Chinese People | 0 | - | 4.09 | 11,416 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 52,731 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 257,582 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,073 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,590 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,397 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,667 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,421 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,860 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,952 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,243 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,708 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,132 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,496 |
| Europe Map Quiz | 0 | - | 5.00 | 4,544,502 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,789 |
| Famous Germans | 0 | - | 4.44 | 39,794 |
| Famous Italians | 0 | - | 4.41 | 70,488 |
| Asian Islands | 0 | - | 4.45 | 20,380 |
| Asia Geography Quiz #1 | 0 | - | 4.77 | 52,278 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 47,080 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.70 | 34,948 |
| Middle Eastern Geography Quiz | 0 | - | 4.44 | 21,802 |
| Turkey A-Z | 0 | - | 4.11 | 11,131 |
| Provinces of the Philippines | 0 | - | 4.64 | 40,721 |
| Dynasties of China | 0 | - | 4.64 | 26,202 |
| Overseas Chinese Population | 0 | - | 4.54 | 41,887 |
| Things that Have Been Banned in China | 0 | - | 4.33 | 56,670 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,245,741 |
| North Korea... or South Korea? | 0 | - | 4.48 | 78,239 |
| Countries Closest to Taiwan | 0 | - | 4.75 | 77,980 |
| History of India | 0 | - | 4.60 | 20,510 |
| Africa Map Quiz | 0 | - | 5.00 | 2,030,954 |
| Oceania Map Quiz | 0 | - | 4.98 | 603,479 |
| Australian Capitals | 0 | - | 4.92 | 61,854 |
| U.S. Geography by Letter - B | 0 | - | 4.48 | 57,808 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 48,193 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,788 |
| United States Map Quiz | 0 | - | 4.98 | 4,048,842 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 724,157 |
| Canada A-Z | 0 | - | 4.71 | 31,705 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 64,972 |
| Official European Union Languages | 0 | - | 4.98 | 227,579 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,935 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,112 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,753 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,250 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,464 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,943 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,820 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,859 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,587 |
| European Geography By Letter - T | 0 | - | 4.39 | 73,064 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,682 |
| European Geography A-Z | 0 | - | 4.31 | 47,446 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 408,629 |
| Famous Nordic People | 0 | - | 4.41 | 10,953 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,577 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,397,120 |
| Asia Map Quiz | 0 | - | 4.99 | 853,414 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,513 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 31,561 |
| Asian Last Names in the United States | 0 | - | 4.43 | 45,210 |
| History of Iran Quiz | 0 | - | 4.65 | 15,693 |
| Ottoman Empire Quiz | 0 | - | 4.44 | 16,414 |
| Emirates of the United Arab Emirates | 0 | - | 4.52 | 17,842 |
| English Words of Arabic Origin | 0 | - | 4.53 | 48,480 |
| Largest Philippines Islands | 0 | - | 4.64 | 23,489 |
| Largest Indonesian Islands | 0 | - | 4.69 | 47,671 |
| Chinese Zodiac Quiz | 0 | - | 4.74 | 123,420 |
| Chinese Inventions | 0 | - | 4.29 | 33,195 |
| History of China | 0 | - | 4.39 | 54,112 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 14,957 |
| Chinese Geography on the Map | 0 | - | 4.59 | 23,248 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 54,376 |
| China Multiple Choice | 0 | - | 4.50 | 36,366 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 147,812 |
| Countries that Beat Japan | 0 | - | 4.45 | 65,227 |
| Japanese Language - Katakana Practice | 0 | - | 4.60 | 29,951 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,533 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 29,782 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 16,817 |
| Countries of Africa | 0 | - | 5.00 | 2,349,795 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,416 |
| Flags of Africa Quiz | 0 | - | 5.00 | 424,594 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 25,177 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 208,149 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 111,170 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 154,592 |
| African East Coast | 0 | - | 4.96 | 90,183 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 128,615 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,867 |
| Top African Languages on a Map | 0 | - | 4.92 | 64,286 |
| African Island Countries | 0 | - | 4.96 | 95,773 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 233,832 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,561 |
| Australian States and Territories | 0 | - | 4.96 | 135,645 |
| Famous Australians | 0 | - | 4.24 | 19,671 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,445 |
| Australia Map Quiz | 0 | - | 4.94 | 333,217 |
| Australia True or False | 0 | - | 4.87 | 54,576 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,056 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 138,260 |
| U.S. Geography by Letter - C | 0 | - | 4.21 | 62,181 |
| U.S. Geography by Letter - A | 0 | - | 4.33 | 57,113 |
| U.S. Geography by Letter - D | 0 | - | 4.02 | 46,049 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 45,293 |
| U.S. Geography by Letter - P | 0 | - | 4.32 | 43,297 |
| U.S. Geography by Letter - M | 0 | - | 4.19 | 42,518 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 119,048 |
| South America Map Quiz | 0 | - | 5.00 | 1,489,659 |
| Countries of North America Quiz | 0 | - | 5.00 | 951,016 |
| North America Map Quiz | 0 | - | 4.98 | 223,476 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,072 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,051 |
| People on Money - United States | 0 | - | 4.32 | 62,599 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 609,383 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 51,403 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,594 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,370 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 40,260 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,215 |
| Countries That Use the Euro | 0 | - | 4.92 | 75,391 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,130,204 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 350,504 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,266,336 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,770 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 104,056 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 185,603 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 145,283 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 202,899 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,628 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,770 |
| The Only European Country ... | 0 | - | 4.92 | 197,222 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,171 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 143,561 |
| Name a Major European City A-Z | 0 | - | 4.31 | 45,932 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 59,746 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 82,389 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 121,690 |
| Slavic Countries | 0 | - | 4.96 | 106,328 |
