| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,418 |
| Countries by National Anthem | 0 | - | 4.93 | 71,267 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,553 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,579 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,032 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,561 |
| States of India | 0 | - | 4.95 | 193,784 |
| Elton John Quiz | 0 | - | 4.49 | 18,476 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,576 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,198 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,941 |
| Provinces of Turkey | 0 | - | 4.95 | 204,435 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,200 |
| Provinces of China | 0 | - | 4.97 | 205,047 |
| Japanese Prefectures | 0 | - | 4.98 | 137,290 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,604 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,587 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,895 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,581 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,952 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,607 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,898 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,677 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,233 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,613 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,047 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,296 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,388 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,764 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,144 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,058 |
| Asian Islands | 0 | - | 4.49 | 20,852 |
| Asian Cities A-Z by Clue | 0 | - | 4.50 | 40,083 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,185 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,763 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,456 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,961 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,408 |
| Asian Physical Geography | 0 | - | 4.61 | 35,544 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,528 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,578 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,267 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,113 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,569 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,097 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,825 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,085 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,951 |
| Middle East A-Z | 0 | - | 4.47 | 46,089 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,143 |
| Dynasties of China | 0 | - | 4.64 | 27,943 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,440 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,246 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,711 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,653 |
| History of India | 0 | - | 4.62 | 21,444 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,944 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,427 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,204 |
| Australian Capitals | 0 | - | 4.92 | 62,735 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,533 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,238 |
| Official European Union Languages | 0 | - | 4.97 | 238,714 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,990 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,587 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,108 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,928 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,115 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,964 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,252 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,827 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,769 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,272 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,034 |
| Asia Map Quiz | 0 | - | 4.99 | 918,055 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,810 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,764 |
| A Quiz About Islam | 0 | - | 4.31 | 48,471 |
| History of Iran | 0 | - | 4.66 | 16,364 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,905 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,930 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,776 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,583 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,095 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,710 |
| Chinese Inventions | 0 | - | 4.30 | 33,811 |
| History of China | 0 | - | 4.37 | 57,258 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,412 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,404 |
| Japanese Companies | 0 | - | 4.28 | 34,240 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,948 |
| Japanese Loanwords | 0 | - | 4.47 | 84,666 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,154 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,755 |
| A Quiz About Elvis Presley | 0 | - | 4.34 | 21,244 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,794 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,821 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,386 |
| The Life of Gandhi | 0 | - | 4.37 | 13,058 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,806 |
| Countries of Africa | 0 | - | 5.00 | 2,541,179 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,031 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,296 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,365 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,977 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,177 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,691 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,356 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,355 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,834 |
| African East Coast | 0 | - | 4.96 | 96,157 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,686 |
| The Only African Country ... | 0 | - | 4.99 | 129,208 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,165 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,036 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,239 |
| African Island Countries | 0 | - | 4.96 | 101,749 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,625 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,956 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,296 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,364 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,031 |
| Flags of Oceania | 0 | - | 5.00 | 259,949 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,813 |
| Australian States and Territories | 0 | - | 4.96 | 142,130 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,565 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,328 |
| Australia Map Quiz | 0 | - | 4.95 | 344,869 |
| Australia True or False | 0 | - | 4.87 | 56,918 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,638 |
| Flags of North and South America | 0 | - | 4.99 | 373,765 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,674 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,314 |
| The Only American Country ... | 0 | - | 4.92 | 121,722 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,207 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,956 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,810 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,655 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,604 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,080 |
| North America Map Quiz | 0 | - | 4.98 | 248,945 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,760 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,298 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,545 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,611 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,772 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,552 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,235 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,057 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,997 |
| US States Quiz | 0 | - | 5.00 | 16,897,376 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,290 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,159 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,027 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,677 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,245 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,550 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,148 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,706 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,923 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,303 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,393 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,767 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,818 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,042 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,462 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,790 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,319 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,972 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,041 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,701 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,264 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,523 |
| The Only European Country ... | 0 | - | 4.91 | 217,033 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,454 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,246 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,895 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,398 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,371 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,887 |
| Monarchies of Europe | 0 | - | 4.90 | 98,244 |
| European Countries with One Border | 0 | - | 4.97 | 182,958 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,741 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,752 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,437 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,577 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,771 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,882 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,184 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,021 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,140 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,432 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,306 |
| Slavic Countries | 0 | - | 4.96 | 111,779 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,662 |
| Countries That Border Russia | 0 | - | 4.98 | 462,128 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,984 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,632 |
| Countries Bordering France | 0 | - | 4.83 | 402,896 |
