| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,784 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,840 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,116 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,690 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,642 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,759 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,064 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,404 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,767 |
| Provinces of Turkey | 0 | - | 4.95 | 206,020 |
| Provinces of China | 0 | - | 4.97 | 208,174 |
| Japanese Prefectures | 0 | - | 4.98 | 139,111 |
| States of India | 0 | - | 4.94 | 196,003 |
| O Canada Lyrics | 0 | - | 4.47 | 51,071 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,793 |
| Japanese Loanwords | 0 | - | 4.47 | 84,897 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,105 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,827 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,322 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,761 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,198 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,813 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,528 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,862 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,620 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,413 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,018 |
| Asian Physical Geography | 0 | - | 4.61 | 35,624 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,214 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,682 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,147 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,845 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,796 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,409 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 102,769 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,144 |
| Asian Islands | 0 | - | 4.49 | 20,911 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,484 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,094 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,682 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,231 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,678 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,664 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,740 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,366 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,210 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,333 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,331 |
| A Quiz About Islam | 0 | - | 4.32 | 48,628 |
| Middle East A-Z | 0 | - | 4.47 | 46,248 |
| History of Iran | 0 | - | 4.66 | 16,425 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,193 |
| Provinces of the Philippines | 0 | - | 4.56 | 51,112 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,313 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,100 |
| Dynasties of China | 0 | - | 4.64 | 28,075 |
| History of China | 0 | - | 4.35 | 57,599 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,597 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,419 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,626 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,421 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,017 |
| History of India | 0 | - | 4.62 | 21,519 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,459 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,642 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,488 |
| Australian Capitals | 0 | - | 4.92 | 62,837 |
| Australia Map Quiz | 0 | - | 4.95 | 346,247 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,953 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,040 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,945 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,909 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,761 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,317 |
| Official European Union Languages | 0 | - | 4.97 | 239,862 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,692 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,333 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,231 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,025 |
| The Only European Country ... | 0 | - | 4.91 | 219,173 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,600 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,072 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,254 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,192 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,426 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,077 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,031 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,464 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,723 |
| Asia Map Quiz | 0 | - | 4.99 | 925,535 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,564 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Word Chain - Asia | 0 | - | 4.34 | 29,395 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,995 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,954 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,472 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,612 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,667 |
| History of Egypt | 0 | - | 4.58 | 24,105 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,081 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,898 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,724 |
| Chinese Inventions | 0 | - | 4.30 | 33,865 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,453 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,496 |
| China by Picture | 0 | - | 4.51 | 63,750 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,533 |
| Japanese Companies | 0 | - | 4.29 | 34,376 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,989 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,998 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,894 |
| Countries of Africa | 0 | - | 5.00 | 2,561,222 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,210 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,036 |
| African East Coast | 0 | - | 4.96 | 96,810 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,663 |
| Flags of Oceania | 0 | - | 5.00 | 262,898 |
| Australian States and Territories | 0 | - | 4.96 | 142,897 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,561 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,510 |
| Australia True or False | 0 | - | 4.87 | 57,160 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,034 |
| Flags of North and South America | 0 | - | 4.99 | 377,280 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,016 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,879 |
| The Only American Country ... | 0 | - | 4.92 | 122,240 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,080 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,696 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,008 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,764 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,102 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,010 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,851 |
| North America Map Quiz | 0 | - | 4.98 | 252,235 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,222 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,133 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,907 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,851 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,993 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,973 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,055 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,284 |
| US States Quiz | 0 | - | 5.00 | 17,002,534 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,433 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,764 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,591 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,538 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,195 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,512 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,904 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,015 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,073 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,610 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,122 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,867 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,930 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,572 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,806 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,648 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,046 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,797 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,848 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,000 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,506 |
| Monarchies of Europe | 0 | - | 4.90 | 98,909 |
| European Countries with One Border | 0 | - | 4.97 | 183,858 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,576 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,929 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,525 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,419 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,017 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,233 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,817 |
| Slavic Countries | 0 | - | 4.96 | 112,410 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,601 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,498 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,686 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,844 |
| States of Germany | 0 | - | 4.95 | 154,612 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,704 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,719 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,471 |
| Regions of Italy | 0 | - | 4.92 | 77,128 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,822 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,378 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,782 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,535 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,552 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,118 |
| Counties of England | 0 | - | 4.97 | 803,244 |
| Imagine Lyrics | 0 | - | 4.53 | 43,544 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,347 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,053 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,729 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,911 |
| Champions League Winners | 0 | - | 4.92 | 1,016,583 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,729 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,853 |
