| Asian Geography By Letter - B | 0 | - | 4.85 | 67,189 |
| Japanese Prefectures | 0 | - | 4.98 | 139,611 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,158 |
| Japan Country Quiz | 0 | - | 4.93 | 143,622 |
| Countries Closest to Japan | 0 | - | 4.92 | 140,710 |
| Japanese Companies | 0 | - | 4.29 | 34,406 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,118 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,184 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,570 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,184 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,750 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,316 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,753 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,296 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 232,018 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,425 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,439 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,871 |
| Middle East A-Z | 0 | - | 4.47 | 46,286 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,838 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,050 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,304 |
| A Quiz About Islam | 0 | - | 4.32 | 48,675 |
| Provinces of Turkey | 0 | - | 4.95 | 206,626 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,259 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,215 |
| Provinces of China | 0 | - | 4.97 | 209,237 |
| States of India | 0 | - | 4.94 | 196,771 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,299 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,256 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,481 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,141 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,099 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,525 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 35,015 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,850 |
| China Cities Map Quiz | 0 | - | 4.94 | 106,099 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,930 |
| Countries that Border China | 0 | - | 4.96 | 264,644 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,997 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,994 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,680 |
| Sushi Translation | 0 | - | 4.08 | 14,002 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,771 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,870 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,897 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,816 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,896 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,148 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,431 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 277,068 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,300 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,863 |
| Countries that Beat China | 0 | - | 4.85 | 117,058 |
| Japanese Loanwords | 0 | - | 4.47 | 84,957 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,443 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,302 |
| Asian Physical Geography | 0 | - | 4.61 | 35,650 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,245 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,713 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,239 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,347 |
| Famous Chinese People | 0 | - | 4.09 | 11,936 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,876 |
| Africa A-Z | 0 | - | 4.57 | 46,813 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,620 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,596 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 122,042 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,611 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,167 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,539 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,074 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,458 |
| European Geography By Letter - R | 0 | - | 4.43 | 95,031 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,293 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,937 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,750 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,677 |
| Famous Germans | 0 | - | 4.50 | 55,905 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,592 |
| Asian Islands | 0 | - | 4.49 | 20,926 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,702 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,787 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,393 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,248 |
| Turkey A-Z | 0 | - | 4.04 | 11,947 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,292 |
| Dynasties of China | 0 | - | 4.64 | 28,116 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,643 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,174 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,777 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,328,520 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,903 |
| Australian Capitals | 0 | - | 4.92 | 62,887 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,187 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,659 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,660 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,540 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,605 |
| Canada A-Z | 0 | - | 4.73 | 33,006 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,898 |
| Official European Union Languages | 0 | - | 4.97 | 240,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,899 |
| European Geography By Letter - E | 0 | - | 4.25 | 122,986 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,930 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,571 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,370 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,890 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,544 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,868 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,780 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,099 |
| European Geography A-Z | 0 | - | 4.29 | 49,544 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,627 |
| Famous French People | 0 | - | 4.05 | 36,204 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,510 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,818 |
| Asia Map Quiz | 0 | - | 4.99 | 927,348 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,046 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,113 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,940 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,754 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,393 |
| Chinese Inventions | 0 | - | 4.30 | 33,880 |
| History of China | 0 | - | 4.35 | 57,716 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,470 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,535 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,841 |
| China Multiple Choice | 0 | - | 4.50 | 37,448 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,467 |
| South Korea Country Quiz | 0 | - | 4.74 | 80,055 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,071 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,773 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,661 |
| History of India | 0 | - | 4.62 | 21,535 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,633 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,902 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,672 |
| Australian States and Territories | 0 | - | 4.96 | 143,149 |
| Famous Australians by Description | 0 | - | 4.23 | 28,205 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,567 |
| Australia Map Quiz | 0 | - | 4.95 | 346,657 |
| Australia True or False | 0 | - | 4.87 | 57,257 |
| Flags of North and South America | 0 | - | 4.99 | 378,594 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,111 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,039 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,717 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,779 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,739 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,487 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,651 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,807 |
| U.S. Geography by Letter - L | 0 | - | 4.08 | 41,760 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,898 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,108 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,844 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,952 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,378 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,803 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,189 |
| North America Map Quiz | 0 | - | 4.98 | 253,107 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,054 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,058 |
| People on Money - United States | 0 | - | 4.31 | 63,519 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,467 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,718 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,703 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,543 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,014 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,274 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,418 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,819 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,746 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,873 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,415 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,638 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,866 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,605 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,494 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,967 |
| The Only European Country ... | 0 | - | 4.91 | 219,824 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,376 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,836 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,955 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,960 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,870 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,459 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,972 |
| Slavic Countries | 0 | - | 4.96 | 112,581 |
| Russian History A-Z | 0 | - | 4.35 | 32,335 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,690 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,172 |
| France A-Z | 0 | - | 4.16 | 38,372 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,777 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,539 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,265 |
| Famous Irish People | 0 | - | 4.05 | 46,087 |
| Switzerland A-Z | 0 | - | 4.45 | 25,805 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,125 |
| Counties of England | 0 | - | 4.97 | 804,875 |
