| Japanese Prefectures | 0 | - | 4.98 | 138,735 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,497 |
| Provinces of China | 0 | - | 4.97 | 207,475 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,979 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,585 |
| Japan Country Quiz | 0 | - | 4.93 | 143,212 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,246 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,538 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,267 |
| Japanese Companies | 0 | - | 4.29 | 34,337 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,981 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,642 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,709 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,348 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,982 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,431 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,502 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,714 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,567 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,589 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,855 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,915 |
| Provinces of Turkey | 0 | - | 4.95 | 205,674 |
| States of India | 0 | - | 4.95 | 195,584 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,537 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,022 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,368 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,001 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,421 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,480 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,689 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,667 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,096 |
| Word Chain - Asia | 0 | - | 4.34 | 29,383 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,741 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,799 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,592 |
| Chinese Inventions | 0 | - | 4.30 | 33,853 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,445 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,474 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,949 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,286 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,419 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,296 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,168 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,218 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,770 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,145 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,779 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,113 |
| Japanese Loanwords | 0 | - | 4.47 | 84,847 |
| Sushi Translation | 0 | - | 4.08 | 13,980 |
| Word Chain - Africa | 0 | - | 4.47 | 31,703 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,931 |
| Asian Physical Geography | 0 | - | 4.61 | 35,610 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,196 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,654 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,088 |
| Famous Chinese People | 0 | - | 4.09 | 11,917 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,817 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,216 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,365 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,345 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,030 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,476 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,138 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,424 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,394 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| Asian Islands | 0 | - | 4.49 | 20,897 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,395 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,000 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,613 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,145 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,604 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,182 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,261 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,231 |
| Middle East A-Z | 0 | - | 4.47 | 46,225 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,889 |
| Dynasties of China | 0 | - | 4.64 | 28,038 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,388 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,867 |
| Famous People from Africa | 0 | - | 4.45 | 10,989 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,076 |
| Astronomy Decoder | 0 | - | 4.48 | 38,192 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,618 |
| Australian Capitals | 0 | - | 4.92 | 62,819 |
| Word Chain - Australia | 0 | - | 4.38 | 38,232 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,645 |
| Official European Union Languages | 0 | - | 4.97 | 239,613 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,544 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,534 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,607 |
| Asia Map Quiz | 0 | - | 4.99 | 924,125 |
| A Quiz About Islam | 0 | - | 4.32 | 48,593 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,096 |
| History of Iran | 0 | - | 4.66 | 16,414 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,133 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,251 |
| History of China | 0 | - | 4.35 | 57,523 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,715 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,687 |
| History of India | 0 | - | 4.62 | 21,500 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,319 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,897 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,127 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,367 |
| Australia Map Quiz | 0 | - | 4.95 | 345,985 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,846 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,771 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,858 |
| Word Chain - South America | 0 | - | 4.51 | 23,993 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,561 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,339 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,694 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,879 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,526 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,983 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,854 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,917 |
| The Only European Country ... | 0 | - | 4.91 | 218,665 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,347 |
| Word Chain - France | 0 | - | 4.38 | 42,915 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,028 |
| British Groups of Things | 0 | - | 4.26 | 82,988 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,211 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,130 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,377 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,024 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,948 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,415 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,551 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,944 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,825 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,902 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,750 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,605 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,058 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,873 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,693 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,710 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,877 |
| Countries of Africa | 0 | - | 5.00 | 2,556,077 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,730 |
| African East Coast | 0 | - | 4.96 | 96,663 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,502 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,808 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,883 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,703 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,017 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,406 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,620 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,954 |
| Countries with Four Letters | 0 | - | 4.99 | 425,371 |
| Random Symbol to Element | 0 | - | 4.88 | 93,791 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,957 |
| Random Country to Capital | 0 | - | 4.98 | 926,896 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,621 |
| Australian States and Territories | 0 | - | 4.96 | 142,751 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,474 |
| Australia True or False | 0 | - | 4.87 | 57,107 |
| Flags of North and South America | 0 | - | 4.99 | 376,375 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,914 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,713 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,526 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,431 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,136 |
| North America Map Quiz | 0 | - | 4.98 | 251,273 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,949 |
| California Groups of Things | 0 | - | 4.26 | 45,741 |
| New York Groups of Things | 0 | - | 4.39 | 71,886 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,574 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,689 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,099 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,507 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,133 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,782 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,576 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,391 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,941 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,493 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,692 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,952 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,446 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,345 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,806 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,220 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,058 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,705 |
| Slavic Countries | 0 | - | 4.96 | 112,280 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,668 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,390 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,473 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,083 |
| Counties of England | 0 | - | 4.97 | 802,055 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,876 |
