| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,959 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,378 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,909 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| Ancient Greek Words | 0 | - | 4.93 | 112,631 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,330 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,210 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,686 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,762 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,380 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,207 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,865 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,774 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,806 |
| 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 | 175,726 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,809 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,274 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,268 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,104 |
| Provinces of Turkey | 0 | - | 4.95 | 206,273 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,924 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,360 |
| Provinces of China | 0 | - | 4.97 | 208,759 |
| Japanese Prefectures | 0 | - | 4.98 | 139,368 |
| States of India | 0 | - | 4.94 | 196,423 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,615 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,218 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,063 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,800 |
| Name that Greek Letter | 0 | - | 4.93 | 325,217 |
| Word Chain - Asia | 0 | - | 4.34 | 29,404 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,820 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,914 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,152 |
| Japanese Loanwords | 0 | - | 4.47 | 84,931 |
| Sushi Translation | 0 | - | 4.08 | 13,997 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,518 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,432 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,872 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,253 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,836 |
| Word Chain - Africa | 0 | - | 4.47 | 31,736 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,986 |
| German Loan Words | 0 | - | 4.27 | 141,199 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,077 |
| Asian Physical Geography | 0 | - | 4.61 | 35,640 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,231 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,701 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,202 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,861 |
| 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 | 4,792,693 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,562 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,235 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,504 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,461 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,033 |
| German Groups of Things | 0 | - | 4.47 | 38,664 |
| American to British Word Translation | 0 | - | 4.14 | 139,805 |
| Asian Islands | 0 | - | 4.49 | 20,918 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,521 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,135 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,711 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,269 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,708 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,228 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,379 |
| 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 | 45,743 |
| Philippines Country Quiz | 0 | - | 4.56 | 76,026 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,216 |
| Thailand Country Quiz | 0 | - | 4.51 | 53,753 |
| Indonesia Country Quiz | 0 | - | 4.78 | 75,724 |
| Malaysia Country Quiz | 0 | - | 4.59 | 39,464 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,163 |
| Dynasties of China | 0 | - | 4.64 | 28,101 |
| History of China | 0 | - | 4.35 | 57,667 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,620 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,446 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,442 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,105 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,632 |
| History of India | 0 | - | 4.62 | 21,525 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,111 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,624 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,659,331 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,392 |
| Colors by Alternate Definition | 0 | - | 4.03 | 54,203 |
| Random Cities by Clue | 0 | - | 4.53 | 42,879 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,209 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,147 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,585 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| Australia Map Quiz | 0 | - | 4.95 | 346,460 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,877 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,930 |
| Word Chain - South America | 0 | - | 4.51 | 24,018 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,324 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,283 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,157 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,298 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,979 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,172 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,846 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,548 |
| Official European Union Languages | 0 | - | 4.97 | 240,347 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,798 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,935 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,453 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,358 |
| The Only European Country ... | 0 | - | 4.91 | 219,525 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,798 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,905 |
| Word Chain - France | 0 | - | 4.38 | 42,959 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,822 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,096 |
| 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 | 56,274 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,222 |
| 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 | 65,069 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,492 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,306 |
| Asia Map Quiz | 0 | - | 4.99 | 926,586 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,572 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,001 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,141 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,987 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,950 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,621 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,689 |
| 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 | 15,460 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,513 |
| Japanese Companies | 0 | - | 4.29 | 34,393 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,994 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,035 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,909 |
| Countries of Africa | 0 | - | 5.00 | 2,564,267 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,574 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,234 |
| African East Coast | 0 | - | 4.96 | 96,918 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,796 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,195 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,010 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,695 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,844 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,919 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,767 |
| Synonyms of Drunk | 0 | - | 3.65 | 41,112 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,052 |
| Countries with Four Letters | 0 | - | 4.99 | 426,409 |
| Random Symbol to Element | 0 | - | 4.88 | 94,186 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,999 |
| Random Country to Capital | 0 | - | 4.98 | 929,904 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,324 |
| Flags of Oceania | 0 | - | 5.00 | 263,407 |
| Australian States and Territories | 0 | - | 4.96 | 143,046 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,652 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,543 |
| Australian Slang | 0 | - | 4.24 | 28,756 |
| Australia True or False | 0 | - | 4.87 | 57,207 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,105 |
| Flags of North and South America | 0 | - | 4.99 | 378,036 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,073 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| The Only American Country ... | 0 | - | 4.92 | 122,339 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,846 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,242 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,328 |
| Famous People from South America | 0 | - | 4.15 | 22,132 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,782 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,432 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,114 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,942 |
| North America Map Quiz | 0 | - | 4.98 | 252,714 |
| 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 | 65,286 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,953 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,957 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,036 |
| American Foods | 0 | - | 3.66 | 39,453 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,049 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,466 |
