| Provinces of China | 0 | - | 4.97 | 207,305 |
| Japanese Loanwords | 0 | - | 4.47 | 84,833 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,414 |
| German Loan Words | 0 | - | 4.27 | 140,697 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,770 |
| Ancient Greek Words | 0 | - | 4.93 | 112,302 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,946 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,347 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,466 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,697 |
| Dynasties of China | 0 | - | 4.64 | 28,033 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,554 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,379 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,903 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,870 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,510 |
| Provinces of Turkey | 0 | - | 4.94 | 205,509 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,001 |
| History of China | 0 | - | 4.35 | 57,506 |
| Japanese Prefectures | 0 | - | 4.98 | 138,624 |
| States of India | 0 | - | 4.95 | 195,420 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,269 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,732 |
| Geography of China | 0 | - | 4.21 | 14,004 |
| Chinese Inventions | 0 | - | 4.30 | 33,851 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,443 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,470 |
| Countries that Border China | 0 | - | 4.96 | 264,071 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,762 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,454 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,093 |
| Sushi Translation | 0 | - | 4.08 | 13,980 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,619 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,652 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,752 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,220 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,474 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,128 |
| Countries that Beat China | 0 | - | 4.85 | 116,590 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,768 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,833 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,166 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,993 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,909 |
| Asian Physical Geography | 0 | - | 4.61 | 35,604 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,186 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,647 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,068 |
| Famous Chinese People | 0 | - | 4.09 | 11,912 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,808 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,493 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,122 |
| American to British Word Translation | 0 | - | 4.14 | 139,577 |
| Asian Islands | 0 | - | 4.49 | 20,890 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,387 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,987 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,605 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,128 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,593 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,631 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,702 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,344 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,176 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,254 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,216 |
| A Quiz About Islam | 0 | - | 4.32 | 48,583 |
| Middle East A-Z | 0 | - | 4.47 | 46,215 |
| History of Iran | 0 | - | 4.66 | 16,409 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,113 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,864 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,242 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,350 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,823 |
| History of India | 0 | - | 4.62 | 21,494 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,124 |
| Words for Leaders | 0 | - | 4.77 | 258,676 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,378 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,331 |
| Australian Capitals | 0 | - | 4.92 | 62,812 |
| Australia Map Quiz | 0 | - | 4.95 | 345,895 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,791 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,588 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,864 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,433 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,610 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,888 |
| Official European Union Languages | 0 | - | 4.97 | 239,539 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,513 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,251 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,836 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,409 |
| The Only European Country ... | 0 | - | 4.91 | 218,544 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,254 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,741 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,016 |
| British Spellings | 0 | - | 4.06 | 99,577 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,206 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,117 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,369 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,004 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,942 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,403 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,423 |
| Asia Map Quiz | 0 | - | 4.99 | 923,704 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,550 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,935 |
| Word Chain - Asia | 0 | - | 4.34 | 29,378 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,769 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,897 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,561 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,602 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,643 |
| History of Egypt | 0 | - | 4.58 | 24,091 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,052 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,867 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,683 |
| China by Picture | 0 | - | 4.51 | 63,616 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,707 |
| Most Visited Countries by Chinese People | 0 | - | 4.41 | 55,753 |
| China Multiple Choice | 0 | - | 4.50 | 37,389 |
| Japanese Companies | 0 | - | 4.29 | 34,331 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,980 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,305 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,933 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,868 |
| Countries of Africa | 0 | - | 5.00 | 2,554,821 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,727 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,686 |
| African East Coast | 0 | - | 4.96 | 96,620 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,460 |
| Flags of Oceania | 0 | - | 5.00 | 262,086 |
| Australian States and Territories | 0 | - | 4.96 | 142,698 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,366 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,454 |
| Australian Slang | 0 | - | 4.24 | 28,707 |
| Australia True or False | 0 | - | 4.87 | 57,091 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,919 |
| Flags of North and South America | 0 | - | 4.99 | 376,179 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,890 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,677 |
| The Only American Country ... | 0 | - | 4.92 | 122,103 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,556 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,488 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,821 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,726 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,459 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,624 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,697 |
| North America Map Quiz | 0 | - | 4.98 | 251,071 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,062 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,790 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,803 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,673 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,938 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,850 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,999 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,860 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,204 |
| US States Quiz | 0 | - | 5.00 | 16,971,189 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,172 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,473 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,502 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,487 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,419 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,118 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,481 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,852 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,606 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,204 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,349 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,895 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,377 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,380 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,301 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,654 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,319 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,928 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,659 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,331 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,206 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,337 |
| Monarchies of Europe | 0 | - | 4.90 | 98,715 |
| European Countries with One Border | 0 | - | 4.97 | 183,568 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,339 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,361 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,162 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,159 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,696 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,796 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,007 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,677 |
| Slavic Countries | 0 | - | 4.96 | 112,235 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,112 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,371 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,432 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,640 |
| States of Germany | 0 | - | 4.95 | 154,145 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,643 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,585 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,375 |
