| Japanese Prefectures | 0 | - | 4.98 | 121,828 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,931 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 267,991 |
| Countries Closest to Japan | 0 | - | 4.93 | 133,398 |
| Japanese Companies | 0 | - | 4.30 | 33,187 |
| Japanese Loanwords | 0 | - | 4.49 | 82,290 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.87 | 83,868 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,334 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,798 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 59,913 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,089 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,663 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 66,306 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 220,789 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 41,146 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.94 | 44,074 |
| Middle East A-Z | 0 | - | 4.46 | 44,516 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 53,691 |
| States of India | 0 | - | 4.94 | 174,748 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,441 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,865 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.41 | 28,132 |
| A Quiz About Islam | 0 | - | 4.28 | 46,719 |
| Provinces of Turkey | 0 | - | 4.95 | 190,429 |
| Countries That Don't Recognize Israel | 0 | - | 4.57 | 32,324 |
| Provinces of China | 0 | - | 4.97 | 179,104 |
| Japan Country Quiz | 0 | - | 4.92 | 127,607 |
| Four Main Islands of Japan | 0 | - | 4.52 | 25,584 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,449 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,798 |
| Sushi Translation | 0 | - | 4.07 | 13,592 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 78,118 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 55,040 |
| Asian Geography by Letter - D | 0 | - | 4.26 | 50,395 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 49,816 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 65,951 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 63,069 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 48,626 |
| Asian Geography By Letter - J | 0 | - | 4.29 | 33,208 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 29,164 |
| Countries Closest to Yemen | 0 | - | 4.89 | 20,650 |
| Countries that Border China | 0 | - | 4.96 | 254,880 |
| Closest Countries to North Korea | 0 | - | 4.92 | 109,547 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,171 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 49,161 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 84,706 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 261,421 |
| China's Territorial Disputes | 0 | - | 4.43 | 34,320 |
| Countries that Beat China | 0 | - | 4.85 | 109,425 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 91,702 |
| Japan Multiple Choice | 0 | - | 4.48 | 39,472 |
| Africa A-Z | 0 | - | 4.57 | 45,171 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 508,718 |
| Asian Physical Geography | 0 | - | 4.59 | 34,609 |
| East Asian Islands on the Map | 0 | - | 4.53 | 32,050 |
| Asia's Busiest Airports | 0 | - | 4.77 | 49,593 |
| Asian Geography By Letter - R | 0 | - | 4.39 | 25,586 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.83 | 51,237 |
| Famous Chinese People | 0 | - | 4.09 | 11,420 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 52,737 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 257,612 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,088 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,600 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,404 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,671 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,424 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,867 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,958 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,251 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,713 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,141 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,503 |
| Europe Map Quiz | 0 | - | 5.00 | 4,545,193 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,793 |
| Famous Germans | 0 | - | 4.44 | 39,812 |
| Famous Italians | 0 | - | 4.41 | 70,495 |
| Asian Islands | 0 | - | 4.45 | 20,380 |
| Asia Geography Quiz #1 | 0 | - | 4.77 | 52,283 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 47,082 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.70 | 34,951 |
| Middle Eastern Geography Quiz | 0 | - | 4.44 | 21,804 |
| Turkey A-Z | 0 | - | 4.11 | 11,132 |
| Provinces of the Philippines | 0 | - | 4.64 | 40,728 |
| Dynasties of China | 0 | - | 4.64 | 26,202 |
| Overseas Chinese Population | 0 | - | 4.54 | 41,891 |
| Things that Have Been Banned in China | 0 | - | 4.33 | 56,675 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,245,906 |
| North Korea... or South Korea? | 0 | - | 4.48 | 78,241 |
| Countries Closest to Taiwan | 0 | - | 4.75 | 77,984 |
| History of India | 0 | - | 4.60 | 20,514 |
| Africa Map Quiz | 0 | - | 5.00 | 2,031,235 |
| Oceania Map Quiz | 0 | - | 4.98 | 603,725 |
| Australian Capitals | 0 | - | 4.92 | 61,855 |
| U.S. Geography by Letter - B | 0 | - | 4.48 | 59,587 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 48,223 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,792 |
| United States Map Quiz | 0 | - | 4.98 | 4,049,155 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 724,196 |
| Canada A-Z | 0 | - | 4.71 | 31,707 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 64,979 |
| Official European Union Languages | 0 | - | 4.98 | 227,603 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,948 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,116 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,758 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,255 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,467 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,951 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,824 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,864 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,587 |
| European Geography By Letter - T | 0 | - | 4.39 | 73,067 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,684 |
| European Geography A-Z | 0 | - | 4.31 | 47,448 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 408,683 |
| Famous Nordic People | 0 | - | 4.41 | 10,953 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,584 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,397,331 |
| Asia Map Quiz | 0 | - | 4.99 | 853,597 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,515 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 31,563 |
| Asian Last Names in the United States | 0 | - | 4.43 | 45,210 |
| History of Iran Quiz | 0 | - | 4.65 | 15,694 |
| Ottoman Empire Quiz | 0 | - | 4.44 | 16,417 |
| Emirates of the United Arab Emirates | 0 | - | 4.52 | 17,846 |
| English Words of Arabic Origin | 0 | - | 4.53 | 48,482 |
| Largest Philippines Islands | 0 | - | 4.64 | 23,490 |
| Largest Indonesian Islands | 0 | - | 4.69 | 47,714 |
| Chinese Zodiac Quiz | 0 | - | 4.74 | 123,433 |
| Chinese Inventions | 0 | - | 4.29 | 33,197 |
| History of China | 0 | - | 4.39 | 54,117 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 14,957 |
| Chinese Geography on the Map | 0 | - | 4.59 | 23,249 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 54,382 |
| China Multiple Choice | 0 | - | 4.50 | 36,368 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 147,838 |
| Countries that Beat Japan | 0 | - | 4.45 | 65,232 |
| Japanese Language - Katakana Practice | 0 | - | 4.60 | 29,960 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,537 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 29,785 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 16,819 |
| Countries of Africa | 0 | - | 5.00 | 2,350,226 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,421 |
| Flags of Africa Quiz | 0 | - | 5.00 | 424,677 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 25,193 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 208,178 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 111,185 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 154,608 |
| African East Coast | 0 | - | 4.96 | 90,192 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 128,633 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,877 |
| Top African Languages on a Map | 0 | - | 4.92 | 64,310 |
| African Island Countries | 0 | - | 4.96 | 95,792 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 233,853 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,572 |
| Australian States and Territories | 0 | - | 4.96 | 135,654 |
| Famous Australians | 0 | - | 4.24 | 19,671 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,446 |
| Australia Map Quiz | 0 | - | 4.94 | 333,234 |
| Australia True or False | 0 | - | 4.87 | 54,580 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,109 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,166 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 138,264 |
| U.S. Geography by Letter - C | 0 | - | 4.21 | 62,246 |
| U.S. Geography by Letter - A | 0 | - | 4.33 | 57,173 |
| U.S. Geography by Letter - D | 0 | - | 4.02 | 46,101 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 45,322 |
| U.S. Geography by Letter - P | 0 | - | 4.32 | 43,325 |
| U.S. Geography by Letter - M | 0 | - | 4.19 | 42,546 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 119,076 |
| South America Map Quiz | 0 | - | 5.00 | 1,489,805 |
| Countries of North America Quiz | 0 | - | 5.00 | 951,175 |
| North America Map Quiz | 0 | - | 4.98 | 223,526 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,076 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,052 |
| People on Money - United States | 0 | - | 4.32 | 62,600 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 609,442 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 51,413 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,608 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,374 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 40,270 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,223 |
| Countries That Use the Euro | 0 | - | 4.92 | 75,443 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,130,417 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 350,535 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,266,568 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,777 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 104,094 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 185,616 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 145,304 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 202,960 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,630 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,788 |
| The Only European Country ... | 0 | - | 4.92 | 197,294 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,195 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 143,620 |
| Name a Major European City A-Z | 0 | - | 4.31 | 45,939 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 59,780 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 82,410 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 121,703 |
| Slavic Countries | 0 | - | 4.96 | 106,351 |
