| Japanese Prefectures | 0 | - | 4.98 | 134,340 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,967 |
| Provinces of China | 0 | - | 4.97 | 199,756 |
| Japan Country Quiz | 0 | - | 4.92 | 141,131 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 108,072 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 272,999 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,489 |
| Japanese Companies | 0 | - | 4.28 | 34,064 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,756 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,226 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,307 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,305 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,140 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,605 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,644 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,029 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,219 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,150 |
| Country Chain | 0 | - | 4.96 | 215,592 |
| Capital Cities Chain | 0 | - | 4.84 | 81,831 |
| States of India | 0 | - | 4.94 | 189,760 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,979 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,276 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,664 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,933 |
| Provinces of Turkey | 0 | - | 4.95 | 200,289 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,209 |
| Word Chain - Australia | 0 | - | 4.37 | 38,003 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,893 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,515 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,254 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,135 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,733 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,049 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,274 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,011 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,941 |
| Word Chain - France | 0 | - | 4.38 | 42,569 |
| Word Chain - Asia | 0 | - | 4.34 | 29,213 |
| Word Chain - The Middle East | 0 | - | 4.00 | 14,969 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,283 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,934 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,708 |
| Chinese Inventions | 0 | - | 4.30 | 33,712 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,302 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,183 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,083 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,924 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,116 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,205 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,432 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,847 |
| Japanese Loanwords | 0 | - | 4.47 | 84,323 |
| Sushi Translation | 0 | - | 4.08 | 13,897 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,369 |
| Word Chain - Russia | 0 | - | 4.33 | 15,683 |
| Word Chain - Germany | 0 | - | 4.31 | 22,471 |
| Word Chain - Italy | 0 | - | 4.07 | 23,079 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 33,542 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,902 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,413 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,237 |
| Famous Chinese People | 0 | - | 4.09 | 11,794 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,510 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,906 |
| Famous People from Africa | 0 | - | 4.45 | 10,852 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,788 |
| Word Chain - Africa | 0 | - | 4.47 | 31,430 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,838 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,389 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,164 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,964 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,585 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,913 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,956 |
| German Groups of Things | 0 | - | 4.46 | 38,292 |
| Asian Islands | 0 | - | 4.49 | 20,762 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,781 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,351 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,116 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,528 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,024 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,880 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,663 |
| Middle East A-Z | 0 | - | 4.46 | 45,752 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,137 |
| Dynasties of China | 0 | - | 4.63 | 27,594 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 57,927 |
| Word Chain - The Bible | 0 | - | 4.44 | 40,983 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,224 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,218 |
| History of India | 0 | - | 4.61 | 21,266 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,021 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,616 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,535 |
| Official European Union Languages | 0 | - | 4.97 | 236,380 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,616 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,919 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,405 |
| Asia Map Quiz | 0 | - | 4.99 | 906,076 |
| A Quiz About Islam | 0 | - | 4.31 | 48,181 |
| History of Iran | 0 | - | 4.65 | 16,259 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,403 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,641 |
| History of China | 0 | - | 4.37 | 56,648 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,377 |
| NBA Basketball Word Chain | 0 | - | 4.19 | 37,456 |
| South Korea Country Quiz | 0 | - | 4.79 | 78,872 |
| Countries of Africa | 0 | - | 5.00 | 2,505,113 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,742 |
| African East Coast | 0 | - | 4.96 | 94,949 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,822 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,969 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,726 |
| Australia Map Quiz | 0 | - | 4.94 | 342,269 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,606 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,176 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,456 |
| Word Chain - South America | 0 | - | 4.51 | 23,757 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,017 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,834 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,884 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,772 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,105 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,375 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,368 |
| The Only European Country ... | 0 | - | 4.91 | 213,552 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,356 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,535 |
| British Groups of Things | 0 | - | 4.25 | 82,659 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,891 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,648 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,956 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,471 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,452 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,965 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,412 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,485 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,338 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,453 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,392 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,084 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.18 | 15,483 |
| Ottoman Empire Quiz | 0 | - | 4.46 | 17,002 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,706 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,587 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,368 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.54 | 16,585 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,623 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,902 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,899 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,106 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,375 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,511 |
| Countries with Four Letters | 0 | - | 4.99 | 418,135 |
| Random Symbol to Element | 0 | - | 4.88 | 92,123 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,578 |
| Random Country to Capital | 0 | - | 4.98 | 910,714 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,670 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,062 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,073 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,373 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,050 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,636 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,340 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,417 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,505 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,483 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,171 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,442 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,950 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,284 |
| African Island Countries | 0 | - | 4.96 | 100,682 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,473 |
| Australian States and Territories | 0 | - | 4.95 | 140,563 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,992 |
| Australia True or False | 0 | - | 4.87 | 56,471 |
| Flags of North and South America | 0 | - | 4.99 | 365,914 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,120 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,093 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,971 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,480 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,668 |
| North America Map Quiz | 0 | - | 4.98 | 244,092 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| California Groups of Things | 0 | - | 4.25 | 45,253 |
| New York Groups of Things | 0 | - | 4.38 | 59,912 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,220 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,409 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,474 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,551 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,579 |
| Celtic Nations | 0 | - | 4.69 | 46,797 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,734 |
