| English Words of Arabic Origin | 0 | - | 4.54 | 49,598 |
| Japanese Loanwords | 0 | - | 4.47 | 84,335 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,052 |
| German Loan Words | 0 | - | 4.27 | 135,446 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,194 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,220 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,643 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,716 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| States of India | 0 | - | 4.94 | 189,900 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,976 |
| Provinces of Turkey | 0 | - | 4.95 | 200,842 |
| Provinces of China | 0 | - | 4.97 | 199,961 |
| Japanese Prefectures | 0 | - | 4.98 | 134,470 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,598 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,344 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,198 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,760 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,825 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,295 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,423 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,628 |
| Name that Greek Letter | 0 | - | 4.94 | 321,551 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,141 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,121 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,068 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,242 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,011 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,443 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,786 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,222 |
| Ancient Greek Words | 0 | - | 4.92 | 110,634 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,988 |
| Asian Physical Geography | 0 | - | 4.61 | 35,368 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,911 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,422 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,256 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,680 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,523 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,919 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,447 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,803 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,363 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,817 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,377 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,147 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,552 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,056 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,318 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,315 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,889 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,696 |
| Middle East A-Z | 0 | - | 4.47 | 45,772 |
| Geography of Egypt | 0 | - | 4.60 | 21,403 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,240 |
| Dynasties of China | 0 | - | 4.63 | 27,604 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,161 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,042 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,344 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,276 |
| History of India | 0 | - | 4.61 | 21,274 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,697 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,995 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,042 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,516 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,577 |
| Native American Words | 0 | - | 4.26 | 24,704 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,559 |
| Official European Union Languages | 0 | - | 4.97 | 236,459 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,659 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,055 |
| Byzantine History | 0 | - | 4.91 | 28,605 |
| American to British Word Translation | 0 | - | 4.06 | 117,036 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,908 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,679 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,981 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,499 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,488 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,996 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,317 |
| Asia Map Quiz | 0 | - | 4.99 | 906,628 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,496 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,481 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,427 |
| A Quiz About Islam | 0 | - | 4.31 | 48,192 |
| Flags of the Middle East | 0 | - | 4.69 | 62,305 |
| Iran Country Quiz | 0 | - | 4.53 | 59,888 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,675 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,019 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,420 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,716 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,372 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,659 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,925 |
| Chinese Inventions | 0 | - | 4.30 | 33,717 |
| History of China | 0 | - | 4.37 | 56,674 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,305 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,186 |
| Japanese Companies | 0 | - | 4.28 | 34,072 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,763 |
| Sushi Translation | 0 | - | 4.08 | 13,899 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,522 |
| Elemental Words | 0 | - | 4.96 | 51,968 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,560 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,204 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,178 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,400 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,062 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,641 |
| Countries of Africa | 0 | - | 5.00 | 2,506,447 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,421 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,922 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,569 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,532 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,212 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,473 |
| African East Coast | 0 | - | 4.96 | 95,000 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,028 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,893 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,356 |
| African Island Countries | 0 | - | 4.96 | 100,738 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,573 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,759 |
| Australian States and Territories | 0 | - | 4.95 | 140,608 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,001 |
| Australian Slang | 0 | - | 4.25 | 28,464 |
| Australia Map Quiz | 0 | - | 4.94 | 342,376 |
| Australia True or False | 0 | - | 4.87 | 56,488 |
| Flags of North and South America | 0 | - | 4.99 | 366,671 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,133 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,103 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,856 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,196 |
| North America Map Quiz | 0 | - | 4.98 | 244,272 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,367 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,675 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,759 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,582 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,024 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,177 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,480 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,232 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,882 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,699 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,216 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,375 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,460 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,666 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,255 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,443 |
| The Only European Country ... | 0 | - | 4.91 | 213,693 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,823 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,708 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,750 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,446 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,212 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,151 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,297 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,033 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| British to American Word Translation | 0 | - | 3.74 | 253,291 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| Counties of England | 0 | - | 4.97 | 788,873 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,155 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,320 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,721 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,371 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,198 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,419 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,660 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,438 |
| Word Chain - Asia | 0 | - | 4.34 | 29,217 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 28,875 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,414 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,564 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,489 |
| Countries of the Middle East | 0 | - | 4.96 | 198,825 |
| History of Israel | 0 | - | 3.84 | 10,969 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,440 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,158 |
| History of Egypt | 0 | - | 4.58 | 23,930 |
| The 12 Tribes of Israel | 0 | - | 3.68 | 9,815 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,966 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,419 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,163 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,360 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,153 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,963 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,115 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,354 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,795 |
