| Top Asian Languages on a Map | 0 | - | 4.95 | 72,269 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,649 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,116 |
| States of India | 0 | - | 4.94 | 196,671 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,148 |
| History of India | 0 | - | 4.62 | 21,531 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,396 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,963 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,844 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,826 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,550 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,155 |
| Provinces of Turkey | 0 | - | 4.95 | 206,400 |
| Provinces of China | 0 | - | 4.97 | 209,101 |
| Japanese Prefectures | 0 | - | 4.98 | 139,503 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,459 |
| The Life of Gandhi | 0 | - | 4.37 | 13,088 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,850 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,622 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,989 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,963 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,219 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,888 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,415 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 277,032 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,292 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,844 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,934 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,855 |
| States of India Map Quiz | 0 | - | 4.85 | 26,984 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,411 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,275 |
| Name that Greek Letter | 0 | - | 4.93 | 325,379 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,708 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,046 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,107 |
| Asian Physical Geography | 0 | - | 4.61 | 35,647 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,239 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,230 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,870 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,734 |
| Australian Capitals | 0 | - | 4.92 | 62,866 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,884 |
| Official European Union Languages | 0 | - | 4.97 | 240,434 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,870 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,807 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,058 |
| Asian Islands | 0 | - | 4.49 | 20,922 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,552 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,172 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,736 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,299 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,741 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,697 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,781 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,392 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,240 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,409 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,421 |
| Middle East A-Z | 0 | - | 4.47 | 46,280 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,265 |
| Dynasties of China | 0 | - | 4.64 | 28,112 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,632 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,467 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,468 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,654 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,528 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,097 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,657 |
| Asia Map Quiz | 0 | - | 4.99 | 927,098 |
| A Quiz About Islam | 0 | - | 4.32 | 48,669 |
| History of Iran | 0 | - | 4.66 | 16,443 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,248 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,382 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,206 |
| History of China | 0 | - | 4.35 | 57,703 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,285 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,634 |
| Australia Map Quiz | 0 | - | 4.95 | 346,583 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,169 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,177 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,458 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,007 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,348 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,678 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,410 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,576 |
| The Only European Country ... | 0 | - | 4.91 | 219,722 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,904 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,119 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,289 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,245 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,474 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,129 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,089 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,517 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,579 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,030 |
| Word Chain - Asia | 0 | - | 4.34 | 29,405 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,229 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 35,006 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,232 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,628 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,108 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,747 |
| Chinese Inventions | 0 | - | 4.30 | 33,877 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,469 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,529 |
| Japanese Companies | 0 | - | 4.29 | 34,402 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,997 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,057 |
| Countries of Africa | 0 | - | 5.00 | 2,566,083 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,306 |
| African East Coast | 0 | - | 4.96 | 96,956 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,855 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,999 |
| Australian States and Territories | 0 | - | 4.96 | 143,115 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,556 |
| Australia True or False | 0 | - | 4.87 | 57,231 |
| Flags of North and South America | 0 | - | 4.99 | 378,409 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,098 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,017 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,911 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,901 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,795 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,868 |
| North America Map Quiz | 0 | - | 4.98 | 252,970 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,046 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,317 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,590 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,693 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,263 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,241 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,643 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,836 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,580 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,938 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,166 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,312 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,699 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,817 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,422 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,948 |
| Slavic Countries | 0 | - | 4.96 | 112,549 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,771 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| Languages of Spain | 0 | - | 4.36 | 23,474 |
| Counties of England | 0 | - | 4.97 | 804,641 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,974 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,325 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,972 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,780 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,106 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,366 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,079 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,542 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,143 |
| Countries of the Middle East | 0 | - | 4.96 | 203,353 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,697 |
| History of Egypt | 0 | - | 4.58 | 24,118 |
| Japanese Loanwords | 0 | - | 4.47 | 84,950 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,919 |
| Maldives Country Quiz | 0 | - | 4.73 | 18,903 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,597 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,516 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,244 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,111 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,760 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,812 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,038 |
| African Island Countries | 0 | - | 4.96 | 102,785 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,956 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,540 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,832 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,922 |
| Flags to Languages | 0 | - | 4.95 | 174,744 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,289 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,687 |
| Flags of Oceania | 0 | - | 5.00 | 263,671 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,824 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,732 |
| Australia Country Quiz | 0 | - | 4.43 | 69,901 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,134 |
| Regions of New Zealand | 0 | - | 4.84 | 28,810 |
| The Only American Country ... | 0 | - | 4.92 | 122,389 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,807 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,600 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,019 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,342 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,380 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,983 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,020 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,105 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,302 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,350 |
| US States Quiz | 0 | - | 5.00 | 17,029,903 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,643 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,198 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,028 |
