| Japanese Prefectures | 0 | - | 4.98 | 136,666 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,883 |
| Provinces of China | 0 | - | 4.97 | 204,046 |
| Japan Country Quiz | 0 | - | 4.93 | 142,372 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,794 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,106 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,947 |
| Japanese Companies | 0 | - | 4.28 | 34,208 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,932 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,498 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,536 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,241 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,362 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,191 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,845 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,492 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,378 |
| States of India | 0 | - | 4.95 | 193,008 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,315 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,042 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,878 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,441 |
| Provinces of Turkey | 0 | - | 4.95 | 203,901 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,984 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,578 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,037 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,792 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,766 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,354 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,999 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,614 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,946 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,031 |
| Word Chain - Asia | 0 | - | 4.34 | 29,317 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,522 |
| China Cities Map Quiz | 0 | - | 4.93 | 105,067 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,513 |
| Chinese Inventions | 0 | - | 4.30 | 33,794 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,386 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,372 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,660 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,233 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,620 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,496 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,772 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,636 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,576 |
| Japanese Loanwords | 0 | - | 4.47 | 84,601 |
| Sushi Translation | 0 | - | 4.08 | 13,940 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,053 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,509 |
| Asian Physical Geography | 0 | - | 4.60 | 35,504 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,079 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,547 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,726 |
| Famous Chinese People | 0 | - | 4.09 | 11,873 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,665 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 59,127 |
| Famous People from Africa | 0 | - | 4.45 | 10,946 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,957 |
| Word Chain - Africa | 0 | - | 4.47 | 31,602 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,143 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,931 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,653 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,246 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,912 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,199 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,216 |
| German Groups of Things | 0 | - | 4.46 | 38,466 |
| Asian Islands | 0 | - | 4.49 | 20,829 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,098 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,658 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,386 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,856 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,330 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,063 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,989 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,820 |
| Middle East A-Z | 0 | - | 4.47 | 46,001 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,719 |
| Dynasties of China | 0 | - | 4.64 | 27,893 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,178 |
| Astronomy Decoder | 0 | - | 4.49 | 38,034 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,520 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,491 |
| History of India | 0 | - | 4.62 | 21,413 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,593 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,578 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Word Chain - Australia | 0 | - | 4.38 | 38,133 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,073 |
| Official European Union Languages | 0 | - | 4.97 | 238,350 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,751 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,913 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,693 |
| Asia Map Quiz | 0 | - | 4.99 | 915,854 |
| A Quiz About Islam | 0 | - | 4.31 | 48,418 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,042 |
| History of Iran | 0 | - | 4.66 | 16,351 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,816 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,007 |
| History of China | 0 | - | 4.37 | 57,139 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,619,258 |
| Countries of Africa | 0 | - | 5.00 | 2,533,980 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,745 |
| African East Coast | 0 | - | 4.96 | 95,963 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,788 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,049 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,597 |
| Australia Map Quiz | 0 | - | 4.95 | 344,202 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,738 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,330 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,568 |
| Word Chain - South America | 0 | - | 4.51 | 23,889 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,378 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,755 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,044 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,625 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,816 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,254 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,650 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,085 |
| The Only European Country ... | 0 | - | 4.91 | 216,367 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,977 |
| Word Chain - France | 0 | - | 4.38 | 42,766 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,801 |
| British Groups of Things | 0 | - | 4.25 | 82,858 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,068 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,899 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,184 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,756 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,702 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,204 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,502 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,741 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,857 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,700 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,086 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,557 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,119 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,894 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,740 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,554 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,652 |
| South Korea Country Quiz | 0 | - | 4.78 | 79,468 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,157 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,477 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,130 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,377 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,783 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,209 |
| Countries with Four Letters | 0 | - | 4.99 | 422,040 |
| Random Symbol to Element | 0 | - | 4.88 | 93,002 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,841 |
| Random Country to Capital | 0 | - | 4.98 | 919,603 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,434 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,459 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,731 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,303 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,768 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,944 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,455 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,858 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,512 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,148 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,199 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,374 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,882 |
| African Island Countries | 0 | - | 4.96 | 101,541 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,279 |
| Australian States and Territories | 0 | - | 4.96 | 141,837 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,270 |
| Australia True or False | 0 | - | 4.87 | 56,821 |
| Flags of North and South America | 0 | - | 4.99 | 372,628 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,571 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,164 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,636 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,817 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,088 |
| North America Map Quiz | 0 | - | 4.98 | 248,211 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,697 |
| California Groups of Things | 0 | - | 4.25 | 45,459 |
| New York Groups of Things | 0 | - | 4.35 | 63,489 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,434 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,070 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,809 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,100 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,847 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,395 |
| Celtic Nations | 0 | - | 4.69 | 46,925 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,427 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,573 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,114 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,471 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,075 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,328 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,261 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,255 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,483 |
