| English Words of Arabic Origin | 0 | - | 4.54 | 49,899 |
| Japanese Loanwords | 0 | - | 4.47 | 84,899 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,799 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,405 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,294 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,950 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,120 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,707 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,654 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,761 |
| Provinces of the Philippines | 0 | - | 4.56 | 51,128 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,756 |
| German Loan Words | 0 | - | 4.27 | 141,039 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,068 |
| Provinces of Turkey | 0 | - | 4.95 | 206,042 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,851 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,072 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,315 |
| Vietnam Country Quiz | 0 | - | 4.68 | 63,912 |
| Provinces of China | 0 | - | 4.97 | 208,231 |
| Japanese Prefectures | 0 | - | 4.98 | 139,141 |
| States of India | 0 | - | 4.94 | 196,040 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,971 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,777 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,239 |
| Name that Greek Letter | 0 | - | 4.93 | 325,076 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,794 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,726 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,083 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,208 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,025 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,829 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,325 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,766 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,212 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,083 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,814 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,642 |
| Ancient Greek Words | 0 | - | 4.93 | 112,529 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,023 |
| Asian Physical Geography | 0 | - | 4.61 | 35,625 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,214 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,684 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,153 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,846 |
| Native American Words | 0 | - | 4.26 | 24,832 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,620 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,002 |
| American to British Word Translation | 0 | - | 4.14 | 139,735 |
| Asian Islands | 0 | - | 4.49 | 20,911 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,487 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,095 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,684 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,234 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,680 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,666 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,742 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,368 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,214 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,335 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,334 |
| A Quiz About Islam | 0 | - | 4.32 | 48,630 |
| Middle East A-Z | 0 | - | 4.47 | 46,250 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,196 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,710 |
| Philippines Country Quiz | 0 | - | 4.56 | 75,976 |
| Thailand Country Quiz | 0 | - | 4.51 | 53,715 |
| Indonesia Country Quiz | 0 | - | 4.78 | 75,651 |
| Malaysia Country Quiz | 0 | - | 4.59 | 39,441 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,103 |
| Dynasties of China | 0 | - | 4.64 | 28,080 |
| History of China | 0 | - | 4.35 | 57,611 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,599 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,420 |
| Sushi Translation | 0 | - | 4.08 | 13,988 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,422 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,027 |
| History of India | 0 | - | 4.62 | 21,519 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,473 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,430 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,325 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,415 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,700 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,501 |
| Australian Capitals | 0 | - | 4.92 | 62,839 |
| Australia Map Quiz | 0 | - | 4.95 | 346,255 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,056 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,733 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,130 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,066 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,948 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,933 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,772 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,334 |
| Official European Union Languages | 0 | - | 4.97 | 239,870 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,702 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,336 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,255 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,048 |
| The Only European Country ... | 0 | - | 4.91 | 219,202 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,624 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,795 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| British Spellings | 0 | - | 4.06 | 99,613 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,254 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,194 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,427 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,078 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,032 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,466 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,773 |
| Asia Map Quiz | 0 | - | 4.99 | 925,635 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,564 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Word Chain - Asia | 0 | - | 4.34 | 29,396 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,007 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,955 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,503 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,612 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,668 |
| History of Egypt | 0 | - | 4.58 | 24,106 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,083 |
| Laos Country Quiz | 0 | - | 4.54 | 26,941 |
| East Timor Country Quiz | 0 | - | 4.48 | 22,847 |
| Myanmar Country Quiz | 0 | - | 4.55 | 30,943 |
| Cambodia Country Quiz | 0 | - | 4.58 | 29,040 |
| Chinese Inventions | 0 | - | 4.30 | 33,865 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,454 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,497 |
| Japanese Companies | 0 | - | 4.29 | 34,376 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,989 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,999 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,895 |
| Countries of Africa | 0 | - | 5.00 | 2,561,491 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,333 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,055 |
| African East Coast | 0 | - | 4.96 | 96,814 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,674 |
| Elemental Words | 0 | - | 4.97 | 52,571 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,553 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,893 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,606 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,725 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,945 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,533 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 87,053 |
| Flags of Oceania | 0 | - | 5.00 | 262,942 |
| Australian States and Territories | 0 | - | 4.96 | 142,912 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,573 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,512 |
| Australian Slang | 0 | - | 4.24 | 28,739 |
| Australia True or False | 0 | - | 4.87 | 57,164 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,040 |
| Flags of North and South America | 0 | - | 4.99 | 377,340 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,024 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,896 |
| The Only American Country ... | 0 | - | 4.92 | 122,244 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,695 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,707 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,075 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,768 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,125 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,100 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,853 |
| North America Map Quiz | 0 | - | 4.98 | 252,261 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,233 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,155 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,908 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,856 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,996 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,978 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,055 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,285 |
| US States Quiz | 0 | - | 5.00 | 17,003,811 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,288 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,471 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,802 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,594 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,544 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,200 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,103 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,024 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,203 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,628 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,135 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,879 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,584 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,826 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,661 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,055 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,808 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,898 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,028 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,512 |
| Monarchies of Europe | 0 | - | 4.90 | 98,918 |
| European Countries with One Border | 0 | - | 4.97 | 183,867 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,591 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,545 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,427 |
