| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,423 |
| Countries by National Anthem | 0 | - | 4.93 | 71,268 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,558 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,582 |
| 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 | 193,791 |
| Elton John Quiz | 0 | - | 4.49 | 18,476 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,580 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,202 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,946 |
| Provinces of Turkey | 0 | - | 4.95 | 204,440 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,203 |
| Provinces of China | 0 | - | 4.97 | 205,071 |
| Japanese Prefectures | 0 | - | 4.98 | 137,298 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,605 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,601 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,902 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,582 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,952 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,612 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,899 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,679 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,235 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,613 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,048 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,297 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,393 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,764 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,300 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,076 |
| Asian Islands | 0 | - | 4.49 | 20,853 |
| Asian Cities A-Z by Clue | 0 | - | 4.50 | 40,226 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,187 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,764 |
| 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 | 57,411 |
| Asian Physical Geography | 0 | - | 4.61 | 35,546 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,528 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,579 |
| 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 | 36,098 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,827 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,086 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,955 |
| Middle East A-Z | 0 | - | 4.47 | 46,093 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,150 |
| Dynasties of China | 0 | - | 4.64 | 27,943 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,441 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,247 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,711 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,653 |
| History of India | 0 | - | 4.62 | 21,445 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,007 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,435 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,240 |
| Australian Capitals | 0 | - | 4.92 | 62,735 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,580 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,240 |
| Official European Union Languages | 0 | - | 4.97 | 238,721 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,992 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,624 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,115 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,929 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,119 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,965 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,252 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,828 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,769 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,273 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,045 |
| Asia Map Quiz | 0 | - | 4.99 | 918,072 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,812 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,765 |
| A Quiz About Islam | 0 | - | 4.31 | 48,472 |
| History of Iran | 0 | - | 4.66 | 16,365 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,906 |
| 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 | 139,717 |
| Chinese Inventions | 0 | - | 4.30 | 33,811 |
| History of China | 0 | - | 4.37 | 57,259 |
| 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 | 34,241 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,948 |
| Japanese Loanwords | 0 | - | 4.47 | 84,666 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,155 |
| 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 | 150,795 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,822 |
| 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 | 2,541,267 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,033 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,315 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,367 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,983 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,183 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,693 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,361 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,357 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,836 |
| African East Coast | 0 | - | 4.96 | 96,160 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,693 |
| The Only African Country ... | 0 | - | 4.99 | 129,213 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,167 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,038 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,246 |
| African Island Countries | 0 | - | 4.96 | 101,755 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,632 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,959 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,299 |
| 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 | 58,051 |
| Flags of Oceania | 0 | - | 5.00 | 259,962 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,814 |
| Australian States and Territories | 0 | - | 4.96 | 142,134 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,567 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,329 |
| Australia Map Quiz | 0 | - | 4.95 | 344,891 |
| Australia True or False | 0 | - | 4.87 | 56,919 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,639 |
| Flags of North and South America | 0 | - | 4.99 | 373,778 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,676 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,315 |
| The Only American Country ... | 0 | - | 4.92 | 121,725 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,209 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,966 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,838 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,661 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,646 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,081 |
| North America Map Quiz | 0 | - | 4.98 | 248,953 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,762 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,301 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,549 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,614 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,772 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,553 |
| 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 | 16,898,031 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,298 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,182 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,072 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,678 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,248 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,560 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,149 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,926 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,313 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,463 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,779 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,858 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,044 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,479 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,794 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,326 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,975 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,057 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,707 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,270 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,529 |
| The Only European Country ... | 0 | - | 4.91 | 217,054 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,461 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,250 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,938 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,438 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,382 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,893 |
| Monarchies of Europe | 0 | - | 4.90 | 98,248 |
| European Countries with One Border | 0 | - | 4.97 | 182,966 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,746 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,765 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,447 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,582 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,793 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,890 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,189 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,025 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,144 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,440 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,307 |
| Slavic Countries | 0 | - | 4.96 | 111,783 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,665 |
| Countries That Border Russia | 0 | - | 4.98 | 462,174 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,987 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,642 |
| Countries Bordering France | 0 | - | 4.83 | 402,929 |
