| English Words of Arabic Origin | 0 | - | 4.54 | 49,591 |
| Japanese Loanwords | 0 | - | 4.47 | 84,325 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,986 |
| German Loan Words | 0 | - | 4.27 | 135,433 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,071 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,128 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,616 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,663 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,224 |
| States of India | 0 | - | 4.94 | 189,820 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,944 |
| Provinces of Turkey | 0 | - | 4.95 | 200,451 |
| Provinces of China | 0 | - | 4.97 | 199,806 |
| Japanese Prefectures | 0 | - | 4.98 | 134,377 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,562 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,243 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,102 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,737 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,791 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,287 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,396 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,396 |
| Name that Greek Letter | 0 | - | 4.94 | 321,481 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,125 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,081 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,011 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,214 |
| Egypt Country Quiz | 0 | - | 4.82 | 76,996 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,435 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,780 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,116 |
| Ancient Greek Words | 0 | - | 4.92 | 110,596 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,700 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,902 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,414 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,241 |
| Israel Immigration by Country | 0 | - | 4.29 | 35,668 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,510 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,909 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,381 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,517 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,348 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,786 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,359 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,123 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,533 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,029 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,309 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,307 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,140 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,882 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,668 |
| Middle East A-Z | 0 | - | 4.47 | 45,754 |
| Geography of Egypt | 0 | - | 4.60 | 21,400 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,172 |
| Dynasties of China | 0 | - | 4.63 | 27,596 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,153 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,018 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,261 |
| History of India | 0 | - | 4.61 | 21,269 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,159 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,698 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,218 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,511 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,569 |
| Native American Words | 0 | - | 4.26 | 24,702 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,540 |
| Official European Union Languages | 0 | - | 4.97 | 236,398 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,622 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,940 |
| Byzantine History | 0 | - | 4.91 | 28,594 |
| American to British Word Translation | 0 | - | 4.06 | 117,022 |
| British Spellings | 0 | - | 4.07 | 99,193 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,897 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,655 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,960 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,475 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,458 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,969 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,529 |
| Asia Map Quiz | 0 | - | 4.99 | 906,187 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,487 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,459 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,398 |
| A Quiz About Islam | 0 | - | 4.31 | 48,181 |
| Flags of the Middle East | 0 | - | 4.69 | 62,294 |
| Iran Country Quiz | 0 | - | 4.53 | 59,877 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,663 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,004 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,405 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,711 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,369 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,650 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,901 |
| Chinese Inventions | 0 | - | 4.30 | 33,713 |
| History of China | 0 | - | 4.37 | 56,656 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,304 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,184 |
| Japanese Companies | 0 | - | 4.28 | 34,065 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,757 |
| Sushi Translation | 0 | - | 4.08 | 13,897 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,517 |
| Elemental Words | 0 | - | 4.96 | 51,937 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,554 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,199 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,172 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,375 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,053 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,636 |
| Countries of Africa | 0 | - | 5.00 | 2,505,480 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,395 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,568 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,754 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,450 |
| African East Coast | 0 | - | 4.96 | 94,960 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,970 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,302 |
| African Island Countries | 0 | - | 4.96 | 100,696 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,505 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,736 |
| Australian States and Territories | 0 | - | 4.95 | 140,580 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,996 |
| Australian Slang | 0 | - | 4.25 | 28,459 |
| Australia Map Quiz | 0 | - | 4.94 | 342,294 |
| Australia True or False | 0 | - | 4.87 | 56,479 |
| Flags of North and South America | 0 | - | 4.99 | 366,121 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,109 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,985 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,575 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,777 |
| North America Map Quiz | 0 | - | 4.98 | 244,116 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,482 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,541 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,561 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,919 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,799 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,840 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,135 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,820 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,493 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,396 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,621 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,220 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,421 |
| The Only European Country ... | 0 | - | 4.91 | 213,581 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,801 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,633 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,625 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,379 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,184 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| Slavic Countries | 0 | - | 4.96 | 110,793 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,282 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,023 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,540 |
| British to American Word Translation | 0 | - | 3.74 | 253,281 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,907 |
| Counties of England | 0 | - | 4.97 | 788,565 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,804 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,293 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,694 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,340 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,156 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,415 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,614 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,397 |
| Word Chain - Asia | 0 | - | 4.34 | 29,215 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 28,871 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,356 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,288 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,484 |
| Countries of the Middle East | 0 | - | 4.96 | 198,762 |
| History of Israel | 0 | - | 3.84 | 10,965 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,437 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,139 |
| History of Egypt | 0 | - | 4.58 | 23,928 |
| The 12 Tribes of Israel | 0 | - | 3.68 | 9,812 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,955 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,415 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,151 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,333 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,125 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,939 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,827 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,280 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,742 |
