| Japanese Loanwords | 0 | - | 4.47 | 84,875 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,623 |
| German Loan Words | 0 | - | 4.27 | 140,908 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,058 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,678 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,054 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,566 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,730 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,986 |
| Provinces of Turkey | 0 | - | 4.95 | 205,862 |
| Provinces of China | 0 | - | 4.97 | 207,840 |
| Japanese Prefectures | 0 | - | 4.98 | 138,940 |
| States of India | 0 | - | 4.94 | 195,791 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,709 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,776 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,562 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,045 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,088 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,765 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,783 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,713 |
| Name that Greek Letter | 0 | - | 4.93 | 324,926 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,794 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,285 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,664 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,168 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,928 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,794 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,017 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,399 |
| Ancient Greek Words | 0 | - | 4.93 | 112,430 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,978 |
| Asian Physical Geography | 0 | - | 4.61 | 35,621 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,204 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,670 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,112 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,188 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,367 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,834 |
| Europe Map Quiz | 0 | - | 5.00 | 4,787,067 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,968 |
| Asian Islands | 0 | - | 4.49 | 20,909 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,444 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,054 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,649 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,181 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,643 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,656 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,728 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,359 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,195 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,306 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,287 |
| Middle East A-Z | 0 | - | 4.47 | 46,235 |
| Geography of Egypt | 0 | - | 4.60 | 21,608 |
| Provinces of the Philippines | 0 | - | 4.56 | 51,016 |
| Dynasties of China | 0 | - | 4.64 | 28,052 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,579 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,947 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,316 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,275 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,414 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,161 |
| Australian Capitals | 0 | - | 4.92 | 62,827 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,872 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,724 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,112 |
| Native American Words | 0 | - | 4.26 | 24,826 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,699 |
| Official European Union Languages | 0 | - | 4.97 | 239,736 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,607 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,789 |
| Byzantine History | 0 | - | 4.91 | 29,019 |
| Byzantine Emperors | 0 | - | 4.93 | 14,584 |
| American to British Word Translation | 0 | - | 4.14 | 139,672 |
| British Spellings | 0 | - | 4.06 | 99,595 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,231 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,166 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,405 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,052 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,987 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,445 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,288 |
| Asia Map Quiz | 0 | - | 4.99 | 924,859 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,956 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,935 |
| A Quiz About Islam | 0 | - | 4.32 | 48,610 |
| Flags of the Middle East | 0 | - | 4.69 | 62,819 |
| Iran Country Quiz | 0 | - | 4.49 | 60,688 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,138 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,165 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,071 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,708 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,296 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,069 |
| Chinese Inventions | 0 | - | 4.30 | 33,859 |
| History of China | 0 | - | 4.35 | 57,569 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,448 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,488 |
| Japanese Companies | 0 | - | 4.29 | 34,352 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,985 |
| Sushi Translation | 0 | - | 4.08 | 13,985 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,389 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,975 |
| History of India | 0 | - | 4.62 | 21,510 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,298 |
| Elemental Words | 0 | - | 4.97 | 52,544 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,874 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,595 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,415 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,440 |
| Australian States and Territories | 0 | - | 4.96 | 142,820 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,493 |
| Australian Slang | 0 | - | 4.24 | 28,725 |
| Australia Map Quiz | 0 | - | 4.95 | 346,101 |
| Australia True or False | 0 | - | 4.87 | 57,132 |
| Flags of North and South America | 0 | - | 4.99 | 376,779 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,945 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,771 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,620 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,421 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,747 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,059 |
| North America Map Quiz | 0 | - | 4.98 | 251,935 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,967 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,253 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,047 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,501 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,550 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,877 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,902 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,162 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,501 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,727 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,408 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,173 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,405 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,301 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,056 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,479 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,019 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,749 |
| The Only European Country ... | 0 | - | 4.91 | 218,911 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,003 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,665 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,643 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,464 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,341 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,150 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,762 |
| Slavic Countries | 0 | - | 4.96 | 112,340 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,777 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,683 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,051 |
| British to American Word Translation | 0 | - | 3.74 | 255,336 |
| British Foods by Description | 0 | - | 3.94 | 48,388 |
| British and American Word Differences | 0 | - | 2.63 | 46,926 |
| Counties of England | 0 | - | 4.97 | 802,671 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,926 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,781 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,497 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,896 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,123 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,556 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,785 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,296 |
| Word Chain - Asia | 0 | - | 4.34 | 29,388 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,111 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,906 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,136 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,607 |
| Countries of the Middle East | 0 | - | 4.96 | 202,839 |
| History of Israel | 0 | - | 3.81 | 11,127 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,662 |
| History of Egypt | 0 | - | 4.58 | 24,098 |
| The 12 Tribes of Israel | 0 | - | 3.70 | 9,945 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,453 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 77,024 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,579 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,883 |
| Countries of Africa | 0 | - | 5.00 | 2,558,880 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,503 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,297 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,826 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,317 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,661 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,247 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,104 |
| African East Coast | 0 | - | 4.96 | 96,740 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,564 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,572 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,217 |
| African Island Countries | 0 | - | 4.96 | 102,418 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,581 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,546 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,707 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,933 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,246 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,917 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,556 |
