| English Words of Arabic Origin | 0 | - | 4.54 | 49,913 |
| Japanese Loanwords | 0 | - | 4.47 | 84,931 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,954 |
| German Loan Words | 0 | - | 4.27 | 141,197 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,636 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,204 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,202 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,863 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,806 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,103 |
| Provinces of Turkey | 0 | - | 4.95 | 206,271 |
| Provinces of China | 0 | - | 4.97 | 208,748 |
| Japanese Prefectures | 0 | - | 4.98 | 139,368 |
| States of India | 0 | - | 4.94 | 196,416 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,809 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,215 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,057 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,144 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,189 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,820 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,924 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,794 |
| Name that Greek Letter | 0 | - | 4.93 | 325,213 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,872 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,375 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,902 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,253 |
| Egypt Country Quiz | 0 | - | 4.82 | 78,005 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,835 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,043 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,981 |
| Ancient Greek Words | 0 | - | 4.93 | 112,630 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,076 |
| Asian Physical Geography | 0 | - | 4.61 | 35,639 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,230 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,701 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,202 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,267 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,428 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,860 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,638 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,033 |
| Asian Islands | 0 | - | 4.49 | 20,918 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,520 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,135 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,711 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,269 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,708 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,686 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,762 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,380 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,228 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,378 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,377 |
| Middle East A-Z | 0 | - | 4.47 | 46,270 |
| Geography of Egypt | 0 | - | 4.60 | 21,683 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,213 |
| Dynasties of China | 0 | - | 4.64 | 28,101 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,620 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,105 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,623 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,407 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,419 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,199 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,311 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,742 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,156 |
| Native American Words | 0 | - | 4.26 | 24,839 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,846 |
| Official European Union Languages | 0 | - | 4.97 | 240,337 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,794 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,352 |
| Byzantine History | 0 | - | 4.91 | 29,041 |
| Byzantine Emperors | 0 | - | 4.93 | 14,655 |
| American to British Word Translation | 0 | - | 4.14 | 139,805 |
| British Spellings | 0 | - | 4.06 | 99,625 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,273 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,222 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,453 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,104 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,068 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,492 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,295 |
| Asia Map Quiz | 0 | - | 4.99 | 926,568 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,999 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,986 |
| A Quiz About Islam | 0 | - | 4.32 | 48,661 |
| Flags of the Middle East | 0 | - | 4.69 | 62,859 |
| Iran Country Quiz | 0 | - | 4.49 | 60,760 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,186 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,228 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,099 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,735 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,357 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,161 |
| Chinese Inventions | 0 | - | 4.30 | 33,872 |
| History of China | 0 | - | 4.35 | 57,666 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,460 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,513 |
| Japanese Companies | 0 | - | 4.29 | 34,392 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,994 |
| Sushi Translation | 0 | - | 4.08 | 13,997 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,441 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,035 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,631 |
| History of India | 0 | - | 4.62 | 21,525 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,559 |
| Elemental Words | 0 | - | 4.97 | 52,605 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,912 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,626 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,486 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,585 |
| Australian States and Territories | 0 | - | 4.96 | 143,039 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,542 |
| Australian Slang | 0 | - | 4.24 | 28,756 |
| Australia Map Quiz | 0 | - | 4.95 | 346,453 |
| Australia True or False | 0 | - | 4.87 | 57,207 |
| Flags of North and South America | 0 | - | 4.99 | 378,020 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,845 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,231 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,782 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,094 |
| North America Map Quiz | 0 | - | 4.98 | 252,699 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,036 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,349 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,000 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,272 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,652 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,296 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,979 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,236 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,169 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,025 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,547 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,015 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,449 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,755 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,508 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,896 |
| The Only European Country ... | 0 | - | 4.91 | 219,518 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,123 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,112 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,442 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,797 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,344 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,904 |
| Slavic Countries | 0 | - | 4.96 | 112,488 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,822 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,742 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,096 |
| British to American Word Translation | 0 | - | 3.74 | 255,397 |
| British Foods by Description | 0 | - | 3.94 | 48,406 |
| British and American Word Differences | 0 | - | 2.63 | 46,939 |
| Counties of England | 0 | - | 4.97 | 804,089 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,762 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,918 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,707 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,062 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,300 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,572 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,992 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,466 |
| Word Chain - Asia | 0 | - | 4.34 | 29,404 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,130 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,141 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,946 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,621 |
| Countries of the Middle East | 0 | - | 4.96 | 203,232 |
| History of Israel | 0 | - | 3.76 | 11,136 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,687 |
| History of Egypt | 0 | - | 4.58 | 24,113 |
| The 12 Tribes of Israel | 0 | - | 3.70 | 9,951 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,498 |
| Georgia ... or Georgia? | 0 | - | 4.68 | 77,090 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,909 |
| Countries of Africa | 0 | - | 5.00 | 2,564,207 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,564 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,931 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,233 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,126 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,048 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,672 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,366 |
| African East Coast | 0 | - | 4.96 | 96,916 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,934 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,792 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,452 |
| African Island Countries | 0 | - | 4.96 | 102,721 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,843 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,570 |
| First Name Vocabulary #1 | 0 | - | 3.88 | 53,249 |
| First Name Vocabulary #2 | 0 | - | 3.95 | 37,367 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,603 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 87,097 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,305 |
