| Top Asian Languages on a Map | 0 | - | 4.95 | 71,704 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,838 |
| States of India | 0 | - | 4.95 | 194,466 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,569 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,449 |
| History of India | 0 | - | 4.62 | 21,467 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,616 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,924 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,229 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,623 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,593 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,758 |
| Provinces of Turkey | 0 | - | 4.94 | 204,843 |
| Provinces of China | 0 | - | 4.97 | 205,978 |
| Japanese Prefectures | 0 | - | 4.98 | 137,920 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,209 |
| The Life of Gandhi | 0 | - | 4.37 | 13,063 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,451 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,451 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,186 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,468 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,876 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,644 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,080 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,043 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,992 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,652 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,818 |
| China's Territorial Disputes | 0 | - | 4.47 | 35,702 |
| States of India Map Quiz | 0 | - | 4.83 | 26,656 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,702 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,482 |
| Name that Greek Letter | 0 | - | 4.93 | 324,294 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,591 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,425 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,577 |
| Asian Physical Geography | 0 | - | 4.61 | 35,569 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,146 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,939 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,754 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,725 |
| Australian Capitals | 0 | - | 4.92 | 62,772 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,383 |
| Official European Union Languages | 0 | - | 4.97 | 239,048 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,211 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,780 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,840 |
| Asian Islands | 0 | - | 4.49 | 20,869 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,293 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,868 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,522 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,034 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,495 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,569 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,627 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,302 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,130 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,150 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,071 |
| Middle East A-Z | 0 | - | 4.47 | 46,166 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,542 |
| Dynasties of China | 0 | - | 4.64 | 27,982 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,486 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,301 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,243 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,322 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,434 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,967 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,999 |
| Asia Map Quiz | 0 | - | 4.99 | 920,405 |
| A Quiz About Islam | 0 | - | 4.31 | 48,517 |
| History of Iran | 0 | - | 4.66 | 16,389 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,984 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,151 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,816 |
| History of China | 0 | - | 4.37 | 57,367 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,749 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,024 |
| Australia Map Quiz | 0 | - | 4.95 | 345,356 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,525 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,975 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,962 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,761 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,764 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,253 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,140 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,852 |
| The Only European Country ... | 0 | - | 4.91 | 217,644 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,743 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,155 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,038 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,304 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,903 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,860 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,326 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,530 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,855 |
| Word Chain - Asia | 0 | - | 4.34 | 29,360 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,411 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,822 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,199 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,588 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,009 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,606 |
| Chinese Inventions | 0 | - | 4.30 | 33,826 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,431 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,427 |
| Japanese Companies | 0 | - | 4.28 | 34,273 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,957 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,829 |
| Countries of Africa | 0 | - | 5.00 | 2,547,104 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,173 |
| African East Coast | 0 | - | 4.96 | 96,368 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,215 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,520 |
| Australian States and Territories | 0 | - | 4.96 | 142,339 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,380 |
| Australia True or False | 0 | - | 4.87 | 56,985 |
| Flags of North and South America | 0 | - | 4.99 | 374,720 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,746 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,451 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,195 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,294 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,654 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,621 |
| North America Map Quiz | 0 | - | 4.98 | 249,710 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,828 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,053 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,086 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,346 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,994 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,441 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,981 |
| Celtic Nations | 0 | - | 4.69 | 47,006 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,573 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,025 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,526 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,436 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,686 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,606 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,715 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,761 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,664 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,483 |
| Slavic Countries | 0 | - | 4.96 | 111,971 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,514 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,243 |
| Languages of Spain | 0 | - | 4.36 | 23,360 |
| Counties of England | 0 | - | 4.97 | 799,610 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,640 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,527 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,463 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,099 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,420 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,292 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,326 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,866 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,048 |
| Countries of the Middle East | 0 | - | 4.96 | 201,823 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,615 |
| History of Egypt | 0 | - | 4.58 | 24,067 |
| Japanese Loanwords | 0 | - | 4.47 | 84,736 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,832 |
| Maldives Country Quiz | 0 | - | 4.73 | 18,837 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,222 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,864 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,469 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,853 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,557 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,487 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,965 |
| African Island Countries | 0 | - | 4.96 | 101,945 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,013 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,159 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,113 |
| Flags to Languages | 0 | - | 4.95 | 173,995 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,822 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 728,549 |
| Flags of Oceania | 0 | - | 5.00 | 260,880 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,464 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,920 |
| Australia Country Quiz | 0 | - | 4.43 | 69,694 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,748 |
| Regions of New Zealand | 0 | - | 4.84 | 28,610 |
| The Only American Country ... | 0 | - | 4.92 | 121,867 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,334 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,126 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,285 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,912 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,469 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,643 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,818 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,654 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,476 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,069 |
| US States Quiz | 0 | - | 5.00 | 16,929,674 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,261 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,097 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,104 |
