| Japanese Loanwords | 0 | - | 4.47 | 84,890 |
| Japanese Prefectures | 0 | - | 4.99 | 139,061 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,738 |
| German Loan Words | 0 | - | 4.27 | 140,986 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,217 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,896 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,099 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,655 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,619 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,747 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,042 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,386 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,744 |
| Provinces of Turkey | 0 | - | 4.95 | 205,959 |
| Provinces of China | 0 | - | 4.97 | 208,088 |
| Japan Country Quiz | 0 | - | 4.93 | 143,355 |
| States of India | 0 | - | 4.94 | 195,943 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,688 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,786 |
| Japanese Companies | 0 | - | 4.29 | 34,368 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,853 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,544 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,214 |
| Sushi Translation | 0 | - | 4.08 | 13,988 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,023 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,819 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,313 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,733 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,196 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,805 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,522 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,858 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,565 |
| Ancient Greek Words | 0 | - | 4.93 | 112,483 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,007 |
| Asian Physical Geography | 0 | - | 4.61 | 35,624 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,214 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,679 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,134 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,845 |
| Native American Words | 0 | - | 4.26 | 24,831 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,821 |
| American to British Word Translation | 0 | - | 4.14 | 139,708 |
| Asian Islands | 0 | - | 4.49 | 20,911 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,476 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,086 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,676 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,219 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,668 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,662 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,738 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,363 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,207 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,325 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,319 |
| A Quiz About Islam | 0 | - | 4.32 | 48,621 |
| Middle East A-Z | 0 | - | 4.47 | 46,244 |
| History of Iran | 0 | - | 4.66 | 16,425 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,189 |
| Provinces of the Philippines | 0 | - | 4.56 | 51,074 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,303 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,092 |
| Dynasties of China | 0 | - | 4.64 | 28,072 |
| History of China | 0 | - | 4.35 | 57,585 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,593 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,415 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,416 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,001 |
| History of India | 0 | - | 4.62 | 21,515 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,395 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,426 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,312 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,415 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,517 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,475 |
| Australian Capitals | 0 | - | 4.92 | 62,835 |
| Australia Map Quiz | 0 | - | 4.95 | 346,206 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,651 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,730 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,988 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,934 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,847 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,742 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,270 |
| Official European Union Languages | 0 | - | 4.97 | 239,830 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,667 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,324 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,174 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,940 |
| The Only European Country ... | 0 | - | 4.91 | 219,085 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,551 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,792 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,061 |
| British Spellings | 0 | - | 4.06 | 99,609 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,250 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,186 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,420 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,074 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,023 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,459 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,620 |
| Asia Map Quiz | 0 | - | 4.99 | 925,362 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,562 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,971 |
| Word Chain - Asia | 0 | - | 4.34 | 29,392 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,968 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,948 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,382 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,611 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,665 |
| History of Egypt | 0 | - | 4.58 | 24,103 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,078 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,720 |
| Chinese Inventions | 0 | - | 4.30 | 33,865 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,448 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,493 |
| China by Picture | 0 | - | 4.51 | 63,727 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,988 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,391 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,989 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,892 |
| Countries of Africa | 0 | - | 5.00 | 2,560,554 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,922 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,941 |
| African East Coast | 0 | - | 4.96 | 96,789 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,642 |
| Elemental Words | 0 | - | 4.97 | 52,560 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,548 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,882 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,601 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,724 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,943 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,523 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 87,031 |
| Flags of Oceania | 0 | - | 5.00 | 262,790 |
| Australian States and Territories | 0 | - | 4.96 | 142,884 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,545 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,506 |
| Australian Slang | 0 | - | 4.24 | 28,736 |
| Australia True or False | 0 | - | 4.87 | 57,157 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,021 |
| Flags of North and South America | 0 | - | 4.99 | 377,143 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,983 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,826 |
| The Only American Country ... | 0 | - | 4.92 | 122,226 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,686 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,685 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,866 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,762 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,061 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,742 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,837 |
| North America Map Quiz | 0 | - | 4.98 | 252,158 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,205 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,099 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,897 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,834 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,985 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,956 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,018 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,274 |
| US States Quiz | 0 | - | 5.00 | 16,999,364 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,276 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,334 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,703 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,576 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,527 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,185 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,508 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,462 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,968 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,865 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,550 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,084 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,828 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,850 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,538 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,784 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,619 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,034 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,783 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,817 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,920 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,488 |
| Monarchies of Europe | 0 | - | 4.90 | 98,888 |
| European Countries with One Border | 0 | - | 4.97 | 183,824 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,562 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,875 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,483 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,400 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,997 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,200 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,806 |
| Slavic Countries | 0 | - | 4.96 | 112,389 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,545 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,479 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,664 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,821 |
| States of Germany | 0 | - | 4.95 | 154,554 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,699 |
