| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,691 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,676 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,193 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,358 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,717 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,652,913 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,304 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,314 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,077 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,618 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,588 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,739 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 742,505 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,505 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,660 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,734 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,361 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,668 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,979 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,015 |
| Provinces of Turkey | 0 | - | 4.95 | 205,909 |
| Provinces of China | 0 | - | 4.97 | 207,952 |
| Japanese Prefectures | 0 | - | 4.99 | 139,020 |
| States of India | 0 | - | 4.94 | 195,866 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,574 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,541 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,848 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,906 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,913 |
| Word Chain - Asia | 0 | - | 4.34 | 29,391 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,780 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,419 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,322 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,806 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,186 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,801 |
| Kyrgyzstan Country Quiz | 0 | - | 4.64 | 26,834 |
| Word Chain - Africa | 0 | - | 4.47 | 31,716 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 982,388 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,899 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,501 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,993 |
| Asian Physical Geography | 0 | - | 4.61 | 35,622 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,210 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,678 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,120 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,840 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 242,736 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 156,692 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,411 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,391 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,082 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,525 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,184 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,460 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,429 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,536 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,740 |
| German Groups of Things | 0 | - | 4.47 | 38,634 |
| Asian Islands | 0 | - | 4.49 | 20,911 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,465 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,077 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,665 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,207 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,661 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,201 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,318 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,309 |
| Middle East A-Z | 0 | - | 4.47 | 46,238 |
| Provinces of the Philippines | 0 | - | 4.56 | 51,043 |
| Dynasties of China | 0 | - | 4.64 | 28,066 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,586 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,412 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,980 |
| Famous People from Africa | 0 | - | 4.45 | 11,007 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,092 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,368 |
| Four Letter African Geography | 0 | - | 4.68 | 19,769 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,356 |
| Australian Capitals | 0 | - | 4.92 | 62,830 |
| Word Chain - Australia | 0 | - | 4.38 | 38,245 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,726 |
| Official European Union Languages | 0 | - | 4.97 | 239,790 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,641 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,860 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,486 |
| Asia Map Quiz | 0 | - | 4.99 | 925,169 |
| A Quiz About Islam | 0 | - | 4.32 | 48,616 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,102 |
| History of Iran | 0 | - | 4.66 | 16,424 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,179 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,300 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,084 |
| History of China | 0 | - | 4.35 | 57,576 |
| Sushi Translation | 0 | - | 4.08 | 13,985 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,410 |
| History of India | 0 | - | 4.62 | 21,514 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,663 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,665 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,133 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,463 |
| Australia Map Quiz | 0 | - | 4.95 | 346,165 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,859 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,078 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,898 |
| Word Chain - South America | 0 | - | 4.51 | 24,006 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,260 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,769 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,428 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,933 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,916 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,788 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,232 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,896 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,101 |
| The Only European Country ... | 0 | - | 4.91 | 218,995 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,502 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,853 |
| Word Chain - France | 0 | - | 4.38 | 42,935 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,055 |
| British Groups of Things | 0 | - | 4.26 | 83,011 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,089 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,107 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,246 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,178 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,413 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,068 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,011 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,455 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,559 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,965 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,942 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,943 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,275 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,608 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,664 |
| History of Egypt | 0 | - | 4.58 | 24,102 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,075 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,893 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,713 |
| Chinese Inventions | 0 | - | 4.30 | 33,863 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,448 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,489 |
| Japanese Companies | 0 | - | 4.29 | 34,362 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,988 |
| Japanese Loanwords | 0 | - | 4.47 | 84,885 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,984 |
| Uzbekistan Country Quiz | 0 | - | 4.63 | 27,714 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,889 |
| Countries of Africa | 0 | - | 5.00 | 2,559,678 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,858 |
| African East Coast | 0 | - | 4.96 | 96,766 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,629 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,924 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,123,978 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,209 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,425 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,668 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,051 |
| Fast Math - Addition | 0 | - | 4.87 | 524,955 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,455 |
| Countries with Four Letters | 0 | - | 4.99 | 425,823 |
| Random Symbol to Element | 0 | - | 4.88 | 93,917 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,494 |
| Random Country to Capital | 0 | - | 4.98 | 928,090 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,032 |
| Flags of Oceania | 0 | - | 5.00 | 262,697 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,712 |
| Australian States and Territories | 0 | - | 4.96 | 142,861 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,520 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,502 |
| Australia True or False | 0 | - | 4.87 | 57,148 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,006 |
| Regions of New Zealand | 0 | - | 4.84 | 28,742 |
| Flags of North and South America | 0 | - | 4.99 | 376,962 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,956 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,789 |
| The Only American Country ... | 0 | - | 4.92 | 122,213 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,665 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,666 |
| Famous People from South America | 0 | - | 4.15 | 22,102 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,755 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,013 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,452 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,826 |
| North America Map Quiz | 0 | - | 4.98 | 252,043 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,188 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,009 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,889 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,821 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,979 |
| American Foods | 0 | - | 3.66 | 39,440 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,942 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,446 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,983 |
| California Groups of Things | 0 | - | 4.26 | 45,770 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,000 |
| New York Groups of Things | 0 | - | 4.39 | 72,089 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,260 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,584 |
