| Japanese Prefectures | 0 | - | 4.98 | 120,471 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,730 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,482 |
| Countries Closest to Japan | 0 | - | 4.92 | 132,871 |
| Japanese Companies | 0 | - | 4.30 | 33,057 |
| Japanese Loanwords | 0 | - | 4.51 | 81,930 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,498 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,185 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,620 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 59,786 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 55,908 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,516 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 65,748 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 219,896 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 40,980 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.94 | 43,511 |
| Middle East A-Z | 0 | - | 4.46 | 44,395 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 53,536 |
| States of India | 0 | - | 4.94 | 173,076 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 230,351 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,808 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.41 | 28,050 |
| A Quiz About Islam | 0 | - | 4.28 | 46,527 |
| Provinces of Turkey | 0 | - | 4.95 | 189,063 |
| Countries That Don't Recognize Israel | 0 | - | 4.57 | 32,017 |
| Provinces of China | 0 | - | 4.97 | 176,793 |
| Japan Country Quiz | 0 | - | 4.92 | 126,797 |
| Four Main Islands of Japan | 0 | - | 4.52 | 25,466 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,047 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,492 |
| Sushi Translation | 0 | - | 4.07 | 13,553 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 77,754 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 54,953 |
| Asian Geography by Letter - D | 0 | - | 4.26 | 50,270 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 49,691 |
| Asian Geography by Letter - I | 0 | - | 4.35 | 65,763 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 62,913 |
| Asian Geography by Letter - N | 0 | - | 4.32 | 48,464 |
| Asian Geography By Letter - J | 0 | - | 4.29 | 33,056 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 28,875 |
| Countries Closest to Yemen | 0 | - | 4.88 | 20,444 |
| Countries that Border China | 0 | - | 4.96 | 254,029 |
| Closest Countries to North Korea | 0 | - | 4.92 | 109,082 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,021 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 48,891 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 84,344 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.42 | 260,069 |
| China's Territorial Disputes | 0 | - | 4.43 | 34,174 |
| Countries that Beat China | 0 | - | 4.85 | 108,726 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 91,320 |
| Japan Multiple Choice | 0 | - | 4.51 | 39,344 |
| Africa A-Z | 0 | - | 4.57 | 45,024 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,710 |
| Asian Physical Geography | 0 | - | 4.59 | 34,527 |
| East Asian Islands on the Map | 0 | - | 4.53 | 31,914 |
| Asia's Busiest Airports | 0 | - | 4.75 | 49,275 |
| Asian Geography By Letter - R | 0 | - | 4.38 | 25,334 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.84 | 51,035 |
| Famous Chinese People | 0 | - | 4.08 | 11,369 |
| Things that Have Been Banned in China | 0 | - | 4.33 | 56,490 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 52,586 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,531 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 47,404 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,304 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,142 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,437 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,177 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,365 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,701 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,035 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,520 |
| European Geography By Letter - R | 0 | - | 4.41 | 89,946 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,334 |
| Europe Map Quiz | 0 | - | 5.00 | 4,518,581 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,600 |
| Famous Germans | 0 | - | 4.44 | 38,870 |
| Asian Islands | 0 | - | 4.45 | 20,338 |
| Asia Geography Quiz #1 | 0 | - | 4.77 | 52,156 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 46,940 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.70 | 34,848 |
| Middle Eastern Geography Quiz | 0 | - | 4.43 | 21,712 |
| Turkey A-Z | 0 | - | 4.11 | 11,074 |
| Provinces of the Philippines | 0 | - | 4.63 | 40,366 |
| Dynasties of China | 0 | - | 4.64 | 26,029 |
| Overseas Chinese Population | 0 | - | 4.54 | 41,725 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,238,705 |
| China Multiple Choice | 0 | - | 4.50 | 36,261 |
| North Korea... or South Korea? | 0 | - | 4.48 | 77,929 |
| Countries Closest to Taiwan | 0 | - | 4.75 | 77,706 |
| History of India | 0 | - | 4.60 | 20,412 |
| Africa Map Quiz | 0 | - | 5.00 | 2,022,285 |
| Oceania Map Quiz | 0 | - | 4.98 | 599,943 |
| Australian Capitals | 0 | - | 4.92 | 61,797 |
| U.S. Geography by Letter - B | 0 | - | 4.49 | 56,433 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 47,622 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,609 |
| United States Map Quiz | 0 | - | 4.98 | 4,035,438 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 721,761 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,645 |
| Official European Union Languages | 0 | - | 4.98 | 226,323 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,362 |
| European Geography By Letter - E | 0 | - | 4.22 | 108,906 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,567 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,043 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,296 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,796 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,654 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,722 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,469 |
| European Geography By Letter - T | 0 | - | 4.39 | 72,935 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,573 |
| European Geography A-Z | 0 | - | 4.31 | 47,281 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,678 |
| Famous Italians | 0 | - | 4.40 | 70,098 |
| Famous Nordic People | 0 | - | 4.41 | 10,923 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,013 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,391,105 |
| Asia Map Quiz | 0 | - | 4.99 | 846,121 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,430 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 31,468 |
| Asian Last Names in the United States | 0 | - | 4.43 | 45,061 |
| History of Iran Quiz | 0 | - | 4.65 | 15,638 |
| Ottoman Empire Quiz | 0 | - | 4.43 | 16,357 |
| Emirates of the United Arab Emirates | 0 | - | 4.52 | 17,706 |
| English Words of Arabic Origin | 0 | - | 4.53 | 48,345 |
| Largest Philippines Islands | 0 | - | 4.63 | 23,365 |
| Largest Indonesian Islands | 0 | - | 4.68 | 47,455 |
| Chinese Zodiac Quiz | 0 | - | 4.74 | 123,119 |
| Chinese Inventions | 0 | - | 4.29 | 33,138 |
| History of China | 0 | - | 4.38 | 53,745 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 14,915 |
| Chinese Geography on the Map | 0 | - | 4.59 | 23,144 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 54,217 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 146,949 |
| Countries that Beat Japan | 0 | - | 4.45 | 64,937 |
| Japanese Language - Katakana Practice | 0 | - | 4.60 | 29,691 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,340 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 29,612 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 16,718 |
| Countries of Africa | 0 | - | 5.00 | 2,330,127 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,124 |
| Flags of Africa Quiz | 0 | - | 5.00 | 420,628 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,616 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 207,163 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,463 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,956 |
| African East Coast | 0 | - | 4.96 | 89,591 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,587 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,276 |
| Top African Languages on a Map | 0 | - | 4.92 | 63,125 |
| African Island Countries | 0 | - | 4.96 | 95,134 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,947 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,041 |
| Australian States and Territories | 0 | - | 4.96 | 135,134 |
| Famous Australians | 0 | - | 4.24 | 19,636 |
| Australian Immigration by Country | 0 | - | 4.81 | 75,260 |
| Australia Map Quiz | 0 | - | 4.94 | 332,164 |
| Australia True or False | 0 | - | 4.87 | 54,318 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,753 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,876 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,823 |
| U.S. Geography by Letter - C | 0 | - | 4.21 | 61,198 |
| U.S. Geography by Letter - A | 0 | - | 4.32 | 48,997 |
| U.S. Geography by Letter - D | 0 | - | 4.02 | 45,185 |
| U.S. Geography by Letter - T | 0 | - | 4.25 | 44,701 |
| U.S. Geography by Letter - P | 0 | - | 4.31 | 42,679 |
| U.S. Geography by Letter - M | 0 | - | 4.19 | 41,961 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 117,179 |
| South America Map Quiz | 0 | - | 5.00 | 1,483,320 |
| Countries of North America Quiz | 0 | - | 5.00 | 943,302 |
| North America Map Quiz | 0 | - | 4.98 | 220,617 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,755 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,969 |
| People on Money - United States | 0 | - | 4.32 | 62,535 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 607,133 |
| Canada A-Z | 0 | - | 4.69 | 31,593 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,941 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,078 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,147 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,974 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,095 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,988 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,121,492 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 349,107 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,257,407 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,507 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,835 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,859 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,480 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 201,184 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,425 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,215 |
| The Only European Country ... | 0 | - | 4.92 | 195,268 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 297,074 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,530 |
| Name a Major European City A-Z | 0 | - | 4.31 | 45,703 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 58,691 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,469 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,944 |
| Slavic Countries | 0 | - | 4.96 | 105,579 |
