| Japanese Prefectures | 0 | - | 4.98 | 138,504 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,322 |
| Provinces of China | 0 | - | 4.97 | 207,072 |
| Japan Country Quiz | 0 | - | 4.93 | 143,113 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,195 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,403 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,229 |
| Japanese Companies | 0 | - | 4.29 | 34,321 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,973 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,473 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,621 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,688 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,333 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,900 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,282 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,426 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,682 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,540 |
| Country Chain | 0 | - | 4.96 | 218,118 |
| Capital Cities Chain | 0 | - | 4.84 | 83,209 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,517 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,886 |
| Provinces of Turkey | 0 | - | 4.94 | 205,447 |
| States of India | 0 | - | 4.95 | 195,237 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,505 |
| Word Chain - Australia | 0 | - | 4.38 | 38,218 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,970 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,334 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,807 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,308 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,175 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,483 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,460 |
| Word Chain - France | 0 | - | 4.38 | 42,899 |
| Word Chain - Asia | 0 | - | 4.34 | 29,375 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,090 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,721 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,731 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,481 |
| Chinese Inventions | 0 | - | 4.30 | 33,846 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,441 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,463 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,915 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,226 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,345 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,762 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,160 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,737 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,101 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,759 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,059 |
| Japanese Loanwords | 0 | - | 4.47 | 84,821 |
| Sushi Translation | 0 | - | 4.08 | 13,978 |
| Word Chain - Africa | 0 | - | 4.47 | 31,691 |
| Word Chain - Russia | 0 | - | 4.33 | 15,785 |
| Word Chain - Germany | 0 | - | 4.31 | 22,659 |
| Word Chain - Italy | 0 | - | 4.07 | 23,205 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,387 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,870 |
| Asian Physical Geography | 0 | - | 4.61 | 35,597 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,181 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,634 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,050 |
| Famous Chinese People | 0 | - | 4.09 | 11,910 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,801 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,052 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,346 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,291 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,116 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,454 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,108 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,404 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,367 |
| German Groups of Things | 0 | - | 4.47 | 38,600 |
| Asian Islands | 0 | - | 4.49 | 20,887 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,368 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,963 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,587 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,109 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,577 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,168 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,235 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,192 |
| Middle East A-Z | 0 | - | 4.47 | 46,209 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,819 |
| Dynasties of China | 0 | - | 4.64 | 28,027 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,363 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,776 |
| Famous People from Africa | 0 | - | 4.45 | 10,985 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,061 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,908 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,002 |
| Australian Capitals | 0 | - | 4.92 | 62,806 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,587 |
| Official European Union Languages | 0 | - | 4.97 | 239,462 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,467 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,245 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,159 |
| Asia Map Quiz | 0 | - | 4.99 | 923,188 |
| A Quiz About Islam | 0 | - | 4.32 | 48,569 |
| History of Iran | 0 | - | 4.66 | 16,406 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,083 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,219 |
| History of China | 0 | - | 4.35 | 57,477 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,693 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,664 |
| History of India | 0 | - | 4.62 | 21,490 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,182 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 38,155 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,240 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,117 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,289 |
| Australia Map Quiz | 0 | - | 4.95 | 345,792 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,833 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,459 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,825 |
| Word Chain - South America | 0 | - | 4.51 | 23,974 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,019 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,057 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,482 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,845 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,318 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,759 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,830 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,763 |
| The Only European Country ... | 0 | - | 4.91 | 218,410 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,182 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,003 |
| British Groups of Things | 0 | - | 4.25 | 82,975 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,085 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,195 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,102 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,356 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,985 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,925 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,390 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,544 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,923 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,696 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,881 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,298 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,601 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,041 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,861 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,663 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,703 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,823 |
| Countries of Africa | 0 | - | 5.00 | 2,553,302 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,636 |
| African East Coast | 0 | - | 4.96 | 96,573 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,425 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,087 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,404 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,794 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,284 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,770 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,644 |
| Countries with Four Letters | 0 | - | 4.99 | 425,004 |
| Random Symbol to Element | 0 | - | 4.88 | 93,659 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,680 |
| Random Country to Capital | 0 | - | 4.98 | 925,763 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,608 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,459 |
| Australian States and Territories | 0 | - | 4.96 | 142,638 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,449 |
| Australia True or False | 0 | - | 4.87 | 57,075 |
| Flags of North and South America | 0 | - | 4.99 | 375,942 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,868 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,653 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,413 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,208 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,713 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,069 |
| North America Map Quiz | 0 | - | 4.98 | 250,818 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,926 |
| California Groups of Things | 0 | - | 4.26 | 45,710 |
| New York Groups of Things | 0 | - | 4.39 | 71,629 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,564 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,229 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,236 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,471 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,086 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,045 |
| Celtic Nations | 0 | - | 4.61 | 47,065 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,875 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,300 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,851 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,268 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,623 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,891 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,220 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,038 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,772 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,095 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,955 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,647 |
| Slavic Countries | 0 | - | 4.96 | 112,196 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,623 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,343 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,463 |
