| English Words of Arabic Origin | 0 | - | 4.54 | 49,776 |
| Japanese Loanwords | 0 | - | 4.47 | 84,666 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,422 |
| German Loan Words | 0 | - | 4.27 | 135,842 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,086 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,055 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,557 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,582 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,561 |
| States of India | 0 | - | 4.95 | 193,789 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,579 |
| Provinces of Turkey | 0 | - | 4.95 | 204,440 |
| Provinces of China | 0 | - | 4.97 | 205,064 |
| Japanese Prefectures | 0 | - | 4.98 | 137,297 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,308 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,232 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,068 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,390 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,470 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,605 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,177 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,217 |
| Name that Greek Letter | 0 | - | 4.93 | 324,013 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,582 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,952 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,610 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,899 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,602 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,677 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,939 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,071 |
| Ancient Greek Words | 0 | - | 4.93 | 111,772 |
| Asian Cities A-Z by Clue | 0 | - | 4.50 | 40,202 |
| Asian Physical Geography | 0 | - | 4.61 | 35,546 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,113 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,569 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,827 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,830 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,147 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,711 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,392 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,434 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,262 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,779 |
| Asian Islands | 0 | - | 4.49 | 20,852 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,186 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,764 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,456 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,961 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,410 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,528 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,579 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,267 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,098 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,086 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,955 |
| Middle East A-Z | 0 | - | 4.47 | 46,092 |
| Geography of Egypt | 0 | - | 4.60 | 21,539 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,150 |
| Dynasties of China | 0 | - | 4.64 | 27,943 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,441 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,879 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,389 |
| History of India | 0 | - | 4.62 | 21,445 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,988 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,239 |
| Australian Capitals | 0 | - | 4.92 | 62,735 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,569 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,651 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,923 |
| Native American Words | 0 | - | 4.26 | 24,771 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,240 |
| Official European Union Languages | 0 | - | 4.97 | 238,720 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,992 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,612 |
| Byzantine History | 0 | - | 4.91 | 28,894 |
| Byzantine Emperors | 0 | - | 4.92 | 14,282 |
| American to British Word Translation | 0 | - | 4.14 | 139,204 |
| British Spellings | 0 | - | 4.06 | 99,477 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,116 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,964 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,252 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,827 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,769 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,273 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,042 |
| Asia Map Quiz | 0 | - | 4.99 | 918,069 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,811 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,765 |
| A Quiz About Islam | 0 | - | 4.31 | 48,472 |
| Flags of the Middle East | 0 | - | 4.69 | 62,665 |
| Iran Country Quiz | 0 | - | 4.49 | 60,416 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,978 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,905 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,930 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,583 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,095 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,717 |
| Chinese Inventions | 0 | - | 4.30 | 33,811 |
| History of China | 0 | - | 4.37 | 57,259 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,412 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,404 |
| Japanese Companies | 0 | - | 4.28 | 34,241 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,948 |
| Sushi Translation | 0 | - | 4.08 | 13,953 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,155 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,755 |
| Elemental Words | 0 | - | 4.97 | 52,341 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,756 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,441 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,314 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,822 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,386 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,806 |
| Countries of Africa | 0 | - | 5.00 | 2,541,248 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,033 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,308 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,982 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,181 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,692 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,358 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,357 |
| African East Coast | 0 | - | 4.96 | 96,160 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,690 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,038 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,246 |
| African Island Countries | 0 | - | 4.96 | 101,752 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,631 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,813 |
| Australian States and Territories | 0 | - | 4.96 | 142,134 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,329 |
| Australian Slang | 0 | - | 4.24 | 28,642 |
| Australia Map Quiz | 0 | - | 4.95 | 344,891 |
| Australia True or False | 0 | - | 4.87 | 56,919 |
| Flags of North and South America | 0 | - | 4.99 | 373,772 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,676 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,315 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,966 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,829 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,640 |
| North America Map Quiz | 0 | - | 4.98 | 248,952 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,772 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,937 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,180 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,067 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,247 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,560 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,925 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,311 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,439 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,777 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,857 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,043 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,475 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,794 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,324 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,270 |
| The Only European Country ... | 0 | - | 4.91 | 217,053 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,460 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,937 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,436 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,381 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,439 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,307 |
| Slavic Countries | 0 | - | 4.96 | 111,783 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,614 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,398 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,869 |
| British to American Word Translation | 0 | - | 3.74 | 255,129 |
| British Foods by Description | 0 | - | 3.94 | 48,333 |
| British and American Word Differences | 0 | - | 2.63 | 46,886 |
| Counties of England | 0 | - | 4.97 | 797,947 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,820 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,320 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,863 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,270 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,106 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,517 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,052 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,629 |
| Word Chain - Asia | 0 | - | 4.34 | 29,341 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,000 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,114 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,007 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,574 |
| Countries of the Middle East | 0 | - | 4.96 | 201,389 |
| History of Israel | 0 | - | 3.79 | 11,060 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,590 |
| History of Egypt | 0 | - | 4.58 | 24,042 |
| The 12 Tribes of Israel | 0 | - | 3.68 | 9,903 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,293 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,502 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,610 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,821 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,928 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,642 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,903 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,903 |
