| Provinces of Turkey | 0 | - | 4.94 | 204,720 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,605 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,738 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,637 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,046 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,951 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,963 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,586 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,121 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,003 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,434 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,559 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,611 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,290 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,668 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,818 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,145 |
| Middle East A-Z | 0 | - | 4.47 | 46,154 |
| Countries of the Middle East | 0 | - | 4.96 | 201,746 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,882 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,295 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,734 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,165 |
| Provinces of China | 0 | - | 4.97 | 205,754 |
| Japanese Prefectures | 0 | - | 4.98 | 137,739 |
| States of India | 0 | - | 4.95 | 194,214 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,401 |
| A Quiz About Islam | 0 | - | 4.31 | 48,507 |
| History of Iran | 0 | - | 4.66 | 16,380 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,267 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,889 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,976 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,420 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,687 |
| Word Chain - Asia | 0 | - | 4.34 | 29,352 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,584 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,076 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,515 |
| History of Turkey | 0 | - | 3.95 | 16,674 |
| Turkey A-Z | 0 | - | 4.04 | 11,872 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,948 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,715 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,895 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,627 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,604 |
| History of Egypt | 0 | - | 4.58 | 24,062 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,769 |
| China's Territorial Disputes | 0 | - | 4.47 | 35,696 |
| Word Chain - Africa | 0 | - | 4.47 | 31,656 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,426 |
| Asian Physical Geography | 0 | - | 4.61 | 35,565 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,142 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,583 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,919 |
| Arab Spring Countries | 0 | - | 4.51 | 44,103 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,741 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,633 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,271 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,146 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,159 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,020 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,310 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,303 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Asian Islands | 0 | - | 4.49 | 20,867 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,276 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,848 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,509 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,017 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,478 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,121 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,140 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,046 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,457 |
| Dynasties of China | 0 | - | 4.64 | 27,975 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,478 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,284 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,522 |
| Famous People from Africa | 0 | - | 4.45 | 10,967 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,010 |
| Astronomy Decoder | 0 | - | 4.49 | 38,114 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,048 |
| Australian Capitals | 0 | - | 4.92 | 62,759 |
| Word Chain - Australia | 0 | - | 4.38 | 38,173 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,344 |
| Official European Union Languages | 0 | - | 4.97 | 238,965 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,157 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,146 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,818 |
| Asia Map Quiz | 0 | - | 4.99 | 919,938 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,960 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,133 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,784 |
| History of China | 0 | - | 4.37 | 57,342 |
| Sushi Translation | 0 | - | 4.08 | 13,954 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,184 |
| History of India | 0 | - | 4.62 | 21,460 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,138 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,138 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,079 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,962 |
| Australia Map Quiz | 0 | - | 4.95 | 345,242 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,795 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,965 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,619 |
| Word Chain - South America | 0 | - | 4.51 | 23,936 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,888 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,109 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,860 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,745 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,632 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,109 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,753 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,734 |
| The Only European Country ... | 0 | - | 4.91 | 217,472 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,625 |
| Word Chain - France | 0 | - | 4.38 | 42,849 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,920 |
| British Groups of Things | 0 | - | 4.25 | 82,916 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,147 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,020 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,293 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,882 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,843 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,314 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,526 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,843 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,342 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,811 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,808 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,599 |
| Chinese Inventions | 0 | - | 4.30 | 33,825 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,418 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,422 |
| Japanese Companies | 0 | - | 4.28 | 34,266 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,953 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,815 |
| Countries of Africa | 0 | - | 5.00 | 2,545,809 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,132 |
| African East Coast | 0 | - | 4.96 | 96,309 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,169 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,047 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,965 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,476 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,014 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,847 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,612 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,638 |
| Countries with Four Letters | 0 | - | 4.99 | 423,450 |
| Random Symbol to Element | 0 | - | 4.88 | 93,277 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,081 |
| Random Country to Capital | 0 | - | 4.98 | 923,092 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,973 |
| Australian States and Territories | 0 | - | 4.96 | 142,260 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,371 |
| Australia True or False | 0 | - | 4.87 | 56,961 |
| Flags of North and South America | 0 | - | 4.99 | 374,464 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,423 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,137 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,967 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,644 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,148 |
| North America Map Quiz | 0 | - | 4.98 | 249,563 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| California Groups of Things | 0 | - | 4.25 | 45,530 |
| New York Groups of Things | 0 | - | 4.35 | 63,959 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,508 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,799 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,834 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,319 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,968 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,038 |
| Celtic Nations | 0 | - | 4.69 | 47,001 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,012 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,954 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,461 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,445 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,373 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,548 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,417 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,300 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,663 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,685 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,596 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,438 |
| Slavic Countries | 0 | - | 4.96 | 111,909 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,486 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,210 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,436 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,048 |
| Counties of England | 0 | - | 4.97 | 799,108 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,318 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,087 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,427 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,056 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,386 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,241 |
