| English Words of Arabic Origin | 0 | - | 4.54 | 49,744 |
| Japanese Loanwords | 0 | - | 4.47 | 84,609 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,982 |
| German Loan Words | 0 | - | 4.27 | 135,785 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 707,467 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,569 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,388 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,260 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,501 |
| States of India | 0 | - | 4.95 | 193,075 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,191 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,477 |
| Provinces of Turkey | 0 | - | 4.95 | 204,005 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,042 |
| Provinces of China | 0 | - | 4.97 | 204,191 |
| Japanese Prefectures | 0 | - | 4.98 | 136,765 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,691 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,545 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,067 |
| Name that Greek Letter | 0 | - | 4.93 | 323,354 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,537 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,907 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,516 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,823 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,165 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,798 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,239 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,643 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,322 |
| Ancient Greek Words | 0 | - | 4.93 | 111,543 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,536 |
| Asian Physical Geography | 0 | - | 4.61 | 35,510 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,085 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,550 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,744 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,672 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 59,178 |
| History of India | 0 | - | 4.62 | 21,418 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,111 |
| Native American Words | 0 | - | 4.26 | 24,764 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,089 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,701 |
| American to British Word Translation | 0 | - | 4.14 | 138,988 |
| Asian Islands | 0 | - | 4.49 | 20,834 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,116 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,683 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,396 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,880 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,344 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,501 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,549 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,243 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,070 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,011 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,843 |
| A Quiz About Islam | 0 | - | 4.31 | 48,425 |
| Middle East A-Z | 0 | - | 4.47 | 46,008 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,824 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,763 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,026 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,612 |
| Dynasties of China | 0 | - | 4.64 | 27,904 |
| History of China | 0 | - | 4.37 | 57,163 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,385 |
| Sushi Translation | 0 | - | 4.08 | 13,941 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,042 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,291 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,747 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,378 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,777 |
| Countries of Africa | 0 | - | 5.00 | 2,535,132 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,210 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,783 |
| African East Coast | 0 | - | 4.96 | 96,000 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,818 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,843 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,653 |
| Australian Capitals | 0 | - | 4.92 | 62,717 |
| Australia Map Quiz | 0 | - | 4.95 | 344,498 |
| United States Map Quiz | 0 | - | 4.98 | 4,157,223 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,628 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,876 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,140 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,635 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,911 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,097 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,333 |
| Official European Union Languages | 0 | - | 4.97 | 238,425 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,790 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,964 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,142 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,047 |
| The Only European Country ... | 0 | - | 4.91 | 216,474 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,042 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,545 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,821 |
| British Spellings | 0 | - | 4.06 | 99,444 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,075 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,910 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,192 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,765 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,708 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,212 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,968 |
| Asia Map Quiz | 0 | - | 4.99 | 916,244 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,505 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,751 |
| Word Chain - Asia | 0 | - | 4.34 | 29,321 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,899 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,709 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,681 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,558 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,565 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,123 |
| History of Egypt | 0 | - | 4.58 | 24,022 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,909 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,562 |
| Chinese Inventions | 0 | - | 4.30 | 33,796 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,388 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,375 |
| Japanese Companies | 0 | - | 4.28 | 34,218 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,939 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,675 |
| Elemental Words | 0 | - | 4.96 | 52,274 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,489 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,727 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,395 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,577 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,783 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,847 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,550 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,748 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,310 |
| The Life of Gandhi | 0 | - | 4.37 | 13,053 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,952 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,781 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,323 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,899 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,544 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,185 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,227 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,756 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,436 |
| The Only African Country ... | 0 | - | 4.99 | 129,068 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,111 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,935 |
| African Island Countries | 0 | - | 4.96 | 101,581 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,327 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,818 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,160 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 56,746 |
| Flags of Oceania | 0 | - | 5.00 | 258,839 |
| Australian States and Territories | 0 | - | 4.96 | 141,907 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,370 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,278 |
| Australian Slang | 0 | - | 4.24 | 28,623 |
| Australia True or False | 0 | - | 4.87 | 56,837 |
| Flags of North and South America | 0 | - | 4.99 | 372,815 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,588 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,193 |
| The Only American Country ... | 0 | - | 4.92 | 121,557 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,072 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,709 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,113 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,989 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,533 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,882 |
| North America Map Quiz | 0 | - | 4.98 | 248,316 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,635 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,047 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,451 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,390 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,709 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,431 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,955 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,909 |
| US States Quiz | 0 | - | 5.00 | 16,864,357 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,841 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,254 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,072 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,119 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,049 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,861 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,381 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,174 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,121 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,158 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,802 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,454 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,107 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,213 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,342 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,067 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,347 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,504 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,699 |
| Monarchies of Europe | 0 | - | 4.90 | 98,096 |
| European Countries with One Border | 0 | - | 4.97 | 182,715 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,516 |
