| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,439 |
| Countries by National Anthem | 0 | - | 4.93 | 71,269 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,561 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,592 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,035 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,563 |
| States of India | 0 | - | 4.95 | 193,818 |
| Elton John Quiz | 0 | - | 4.49 | 18,476 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,585 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,207 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,956 |
| Provinces of Turkey | 0 | - | 4.95 | 204,455 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,213 |
| Provinces of China | 0 | - | 4.97 | 205,129 |
| Japanese Prefectures | 0 | - | 4.98 | 137,308 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,605 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,625 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,916 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,586 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,959 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,616 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,904 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,683 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,239 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,626 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,048 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,298 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,402 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,764 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,534 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,120 |
| Asian Islands | 0 | - | 4.49 | 20,854 |
| Asian Cities A-Z by Clue | 0 | - | 4.50 | 40,473 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,189 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,772 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,460 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,963 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,414 |
| Asian Physical Geography | 0 | - | 4.61 | 35,546 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,531 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,581 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,268 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,116 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,570 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,098 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,831 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,088 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,958 |
| Middle East A-Z | 0 | - | 4.47 | 46,095 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,171 |
| Dynasties of China | 0 | - | 4.64 | 27,945 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,443 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,250 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,714 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,654 |
| History of India | 0 | - | 4.62 | 21,445 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,168 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,447 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,274 |
| Australian Capitals | 0 | - | 4.92 | 62,737 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,651 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,252 |
| Official European Union Languages | 0 | - | 4.97 | 238,734 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,013 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,655 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,147 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,931 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,120 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,968 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,254 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,830 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,773 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,276 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,078 |
| Asia Map Quiz | 0 | - | 4.99 | 918,247 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,815 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,767 |
| A Quiz About Islam | 0 | - | 4.31 | 48,474 |
| History of Iran | 0 | - | 4.66 | 16,367 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,907 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,932 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,776 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,585 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,100 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,718 |
| Chinese Inventions | 0 | - | 4.30 | 33,811 |
| History of China | 0 | - | 4.37 | 57,262 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,414 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,406 |
| 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 | 80,761 |
| A Quiz About Elvis Presley | 0 | - | 4.34 | 21,244 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,799 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,826 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,388 |
| The Life of Gandhi | 0 | - | 4.37 | 13,058 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,806 |
| Countries of Africa | 0 | - | 5.00 | 2,541,509 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,038 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,363 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,372 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,992 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,192 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,703 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,370 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,361 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,838 |
| African East Coast | 0 | - | 4.96 | 96,168 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,702 |
| The Only African Country ... | 0 | - | 4.99 | 129,220 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,170 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,042 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,256 |
| African Island Countries | 0 | - | 4.96 | 101,765 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,648 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,963 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,303 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,374 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,072 |
| Flags of Oceania | 0 | - | 5.00 | 259,996 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,822 |
| Australian States and Territories | 0 | - | 4.96 | 142,139 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,573 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,330 |
| Australia Map Quiz | 0 | - | 4.95 | 344,898 |
| Australia True or False | 0 | - | 4.87 | 56,921 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,646 |
| Flags of North and South America | 0 | - | 4.99 | 373,806 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,679 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,318 |
| The Only American Country ... | 0 | - | 4.92 | 121,736 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,211 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,973 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,872 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,682 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,725 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,091 |
| North America Map Quiz | 0 | - | 4.98 | 248,972 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,765 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,308 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,551 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,621 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,775 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,554 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,237 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,057 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,003 |
| US States Quiz | 0 | - | 5.00 | 16,899,382 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,313 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,211 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,121 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,681 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,255 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,577 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,152 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,930 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,410 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,335 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,626 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,801 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,927 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,047 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,492 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,810 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,337 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,980 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,085 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,724 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,277 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,550 |
| The Only European Country ... | 0 | - | 4.91 | 217,090 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,469 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,260 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,946 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,475 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,399 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,904 |
| Monarchies of Europe | 0 | - | 4.90 | 98,257 |
| European Countries with One Border | 0 | - | 4.97 | 182,982 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,757 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,780 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,466 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,592 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,835 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,905 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,197 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,033 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,159 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,447 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,320 |
| Slavic Countries | 0 | - | 4.96 | 111,791 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,686 |
| Countries That Border Russia | 0 | - | 4.98 | 462,257 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,007 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,663 |
| Countries Bordering France | 0 | - | 4.83 | 402,994 |
