| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,971 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,382 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,950 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,377 |
| Ancient Greek Words | 0 | - | 4.93 | 112,636 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,396 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,224 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,687 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,763 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,382 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,211 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,872 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,778 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,807 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,767 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,730 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,810 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,290 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,284 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,105 |
| Provinces of Turkey | 0 | - | 4.95 | 206,291 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,929 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,361 |
| Provinces of China | 0 | - | 4.97 | 208,776 |
| Japanese Prefectures | 0 | - | 4.98 | 139,377 |
| States of India | 0 | - | 4.94 | 196,463 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,618 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,234 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,079 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,829 |
| Name that Greek Letter | 0 | - | 4.93 | 325,241 |
| Word Chain - Asia | 0 | - | 4.34 | 29,404 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,821 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,915 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,159 |
| Japanese Loanwords | 0 | - | 4.47 | 84,932 |
| Sushi Translation | 0 | - | 4.08 | 13,997 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,531 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,435 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,874 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,257 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,838 |
| Word Chain - Africa | 0 | - | 4.47 | 31,736 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,000 |
| German Loan Words | 0 | - | 4.27 | 141,202 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,081 |
| Asian Physical Geography | 0 | - | 4.61 | 35,642 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,232 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,702 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,205 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,862 |
| Word Chain - Australia | 0 | - | 4.38 | 38,259 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,473 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,855 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,567 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,238 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,507 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,463 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,035 |
| German Groups of Things | 0 | - | 4.47 | 38,668 |
| American to British Word Translation | 0 | - | 4.14 | 139,810 |
| Asian Islands | 0 | - | 4.49 | 20,918 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,522 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,136 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,712 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,270 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,710 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,228 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,380 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,378 |
| A Quiz About Islam | 0 | - | 4.32 | 48,661 |
| Middle East A-Z | 0 | - | 4.47 | 46,270 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,110 |
| History of Iran | 0 | - | 4.66 | 16,437 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,228 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,744 |
| Philippines Country Quiz | 0 | - | 4.56 | 76,029 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,218 |
| Thailand Country Quiz | 0 | - | 4.51 | 53,753 |
| Indonesia Country Quiz | 0 | - | 4.78 | 75,729 |
| Malaysia Country Quiz | 0 | - | 4.59 | 39,467 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,167 |
| Dynasties of China | 0 | - | 4.64 | 28,102 |
| History of China | 0 | - | 4.35 | 57,671 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,621 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,447 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,444 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,109 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,633 |
| History of India | 0 | - | 4.62 | 21,525 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,112 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,631 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,659,468 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,398 |
| Colors by Alternate Definition | 0 | - | 4.03 | 54,203 |
| Random Cities by Clue | 0 | - | 4.53 | 42,880 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,253 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,147 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,591 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| Australia Map Quiz | 0 | - | 4.95 | 346,470 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,878 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,931 |
| Word Chain - South America | 0 | - | 4.51 | 24,020 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,378 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,295 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,158 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,311 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,187 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,852 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,562 |
| Official European Union Languages | 0 | - | 4.97 | 240,354 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,804 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,938 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,466 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,366 |
| The Only European Country ... | 0 | - | 4.91 | 219,536 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,804 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,910 |
| Word Chain - France | 0 | - | 4.38 | 42,960 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,824 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,099 |
| British Spellings | 0 | - | 4.06 | 99,625 |
| British Groups of Things | 0 | - | 4.26 | 83,041 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,105 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,125 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,276 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,223 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,454 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,105 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,070 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,494 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,338 |
| Asia Map Quiz | 0 | - | 4.99 | 926,622 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,573 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,003 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,157 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,988 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,975 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,623 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,690 |
| History of Egypt | 0 | - | 4.58 | 24,113 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,099 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,735 |
| Chinese Inventions | 0 | - | 4.30 | 33,873 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,461 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,515 |
| Japanese Companies | 0 | - | 4.29 | 34,393 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,996 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,036 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,909 |
| Countries of Africa | 0 | - | 5.00 | 2,564,391 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,625 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,240 |
| African East Coast | 0 | - | 4.96 | 96,919 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,800 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,201 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,110 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,706 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,859 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,926 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,794 |
| Synonyms of Drunk | 0 | - | 3.65 | 41,113 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,064 |
| Countries with Four Letters | 0 | - | 4.99 | 426,429 |
| Random Symbol to Element | 0 | - | 4.88 | 94,189 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,072 |
| Random Country to Capital | 0 | - | 4.98 | 929,942 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,326 |
| Flags of Oceania | 0 | - | 5.00 | 263,427 |
| Australian States and Territories | 0 | - | 4.96 | 143,053 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,672 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,543 |
| Australian Slang | 0 | - | 4.24 | 28,758 |
| Australia True or False | 0 | - | 4.87 | 57,207 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,106 |
| Flags of North and South America | 0 | - | 4.99 | 378,073 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,074 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,965 |
| The Only American Country ... | 0 | - | 4.92 | 122,339 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,849 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,279 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,337 |
| Famous People from South America | 0 | - | 4.15 | 22,134 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,783 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,440 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,163 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,943 |
| North America Map Quiz | 0 | - | 4.98 | 252,725 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,297 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,294 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,955 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,959 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,037 |
| American Foods | 0 | - | 3.66 | 39,454 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,052 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,466 |
