| English Words of Arabic Origin | 0 | - | 4.54 | 49,593 |
| Japanese Loanwords | 0 | - | 4.47 | 84,332 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,037 |
| German Loan Words | 0 | - | 4.27 | 135,443 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,159 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,187 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,639 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,703 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,231 |
| States of India | 0 | - | 4.94 | 189,870 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,965 |
| Provinces of Turkey | 0 | - | 4.95 | 200,756 |
| Provinces of China | 0 | - | 4.97 | 199,916 |
| Japanese Prefectures | 0 | - | 4.98 | 134,435 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,578 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,315 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,173 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,756 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,816 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,294 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,416 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,533 |
| Name that Greek Letter | 0 | - | 4.94 | 321,522 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,138 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,111 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,053 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,232 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,007 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,442 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,784 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,181 |
| Ancient Greek Words | 0 | - | 4.92 | 110,621 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,894 |
| Asian Physical Geography | 0 | - | 4.61 | 35,366 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,905 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,418 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,252 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,677 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,519 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,917 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,426 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,434 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,359 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,806 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,371 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,138 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,546 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,045 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,314 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,313 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,143 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,887 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,686 |
| Middle East A-Z | 0 | - | 4.47 | 45,764 |
| Geography of Egypt | 0 | - | 4.60 | 21,401 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,221 |
| Dynasties of China | 0 | - | 4.63 | 27,602 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,157 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,034 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,268 |
| History of India | 0 | - | 4.61 | 21,272 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,561 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,910 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,737 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,514 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,575 |
| Native American Words | 0 | - | 4.26 | 24,703 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,553 |
| Official European Union Languages | 0 | - | 4.97 | 236,441 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,649 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,012 |
| Byzantine History | 0 | - | 4.91 | 28,598 |
| American to British Word Translation | 0 | - | 4.06 | 117,031 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,901 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,672 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,971 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,491 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,480 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,986 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,210 |
| Asia Map Quiz | 0 | - | 4.99 | 906,515 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,493 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,474 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,419 |
| A Quiz About Islam | 0 | - | 4.31 | 48,191 |
| Flags of the Middle East | 0 | - | 4.69 | 62,298 |
| Iran Country Quiz | 0 | - | 4.53 | 59,887 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,668 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,015 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,416 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,715 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,372 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,656 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,920 |
| Chinese Inventions | 0 | - | 4.30 | 33,715 |
| History of China | 0 | - | 4.37 | 56,669 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,305 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,185 |
| Japanese Companies | 0 | - | 4.28 | 34,070 |
| 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 | 51,951 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,559 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,203 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,175 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,397 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,060 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,639 |
| Countries of Africa | 0 | - | 5.00 | 2,506,162 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,412 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,809 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,768 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,556 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,523 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,465 |
| African East Coast | 0 | - | 4.96 | 94,986 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,008 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,876 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,336 |
| African Island Countries | 0 | - | 4.96 | 100,724 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,556 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,750 |
| Australian States and Territories | 0 | - | 4.95 | 140,601 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| Australian Slang | 0 | - | 4.25 | 28,463 |
| Australia Map Quiz | 0 | - | 4.94 | 342,360 |
| Australia True or False | 0 | - | 4.87 | 56,487 |
| Flags of North and South America | 0 | - | 4.99 | 366,532 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,129 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,125 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,093 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,774 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,095 |
| North America Map Quiz | 0 | - | 4.98 | 244,227 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,365 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,607 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,702 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,579 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,996 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,475 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,230 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,860 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,432 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,200 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,265 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,514 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,441 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,652 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,247 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,431 |
| The Only European Country ... | 0 | - | 4.91 | 213,660 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,816 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,683 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,721 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,429 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,202 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,148 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,289 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,547 |
| British to American Word Translation | 0 | - | 3.74 | 253,285 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,908 |
| Counties of England | 0 | - | 4.97 | 788,764 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,050 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,314 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,715 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,361 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,187 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,417 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,647 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,426 |
| Word Chain - Asia | 0 | - | 4.34 | 29,216 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 28,874 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,400 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,510 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,487 |
| Countries of the Middle East | 0 | - | 4.96 | 198,807 |
| History of Israel | 0 | - | 3.84 | 10,969 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,437 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,155 |
| History of Egypt | 0 | - | 4.58 | 23,929 |
| The 12 Tribes of Israel | 0 | - | 3.68 | 9,812 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,964 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,418 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,158 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,350 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,146 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,955 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,024 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,328 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,781 |
