| Provinces of China | 0 | - | 4.98 | 161,624 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,690 |
| Japanese Prefectures | 0 | - | 4.98 | 110,824 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.91 | 94,988 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 84,198 |
| Overseas Chinese Population | 0 | - | 4.55 | 40,620 |
| Chinese Zodiac Quiz | 0 | - | 4.75 | 120,827 |
| China's Territorial Disputes | 0 | - | 4.42 | 33,229 |
| Chinese Inventions | 0 | - | 4.26 | 32,731 |
| Cities of the Pearl River Delta | 0 | - | 4.61 | 14,596 |
| Chinese Geography on the Map | 0 | - | 4.58 | 22,384 |
| Asia Geography Quiz #1 | 0 | - | 4.79 | 51,325 |
| Asia Geography Quiz #2 | 0 | - | 4.63 | 45,897 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,126 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,361 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,804 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,488 |
| Dynasties of China | 0 | - | 4.64 | 24,842 |
| Things that Have Been Banned in China | 0 | - | 4.34 | 55,217 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,209,586 |
| Capital Cities Chain | 0 | - | 4.86 | 72,602 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,434 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,436 |
| Provinces of Turkey | 0 | - | 4.95 | 180,964 |
| Famous Chinese People | 0 | - | 4.06 | 11,105 |
| States of India | 0 | - | 4.92 | 160,037 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,560 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,354 |
| History of China | 0 | - | 4.38 | 51,357 |
| Word Chain - Australia | 0 | - | 4.39 | 36,535 |
| Asia Geography Quiz #3 | 0 | - | 4.51 | 30,927 |
| Asian Last Names in the United States | 0 | - | 4.42 | 43,828 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,764 |
| Countries Closest to Yemen | 0 | - | 4.95 | 3,385 |
| China Cities Map Quiz | 0 | - | 4.88 | 90,109 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 84,612 |
| Japan Country Quiz | 0 | - | 4.92 | 121,567 |
| Japanese Companies | 0 | - | 4.25 | 32,275 |
| Four Main Islands of Japan | 0 | - | 4.50 | 24,504 |
| North Korea... or South Korea? | 0 | - | 4.49 | 76,102 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,333 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 81,378 |
| Name a Valid African Country | 0 | - | 4.98 | 126,379 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,598 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,115 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,275 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 146,147 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,099 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 86,050 |
| Word Chain - France | 0 | - | 4.37 | 40,464 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 47,042 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 82,169 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 252,128 |
| Word Chain - The Middle East | 0 | - | 4.03 | 14,155 |
| Japanese Language - Katakana Practice | 0 | - | 4.58 | 27,054 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,160 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 78,156 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 28,220 |
| Asian Physical Geography | 0 | - | 4.59 | 33,865 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.41 | 30,794 |
| Asia's Busiest Airports | 0 | - | 4.76 | 46,838 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.85 | 49,480 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.56 | 15,862 |
| Japan Multiple Choice | 0 | - | 4.50 | 38,298 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,452 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,265 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,341 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,585 |
| Word Chain - Germany | 0 | - | 4.30 | 21,341 |
| Word Chain - Italy | 0 | - | 4.09 | 22,199 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,762 |
| Asian Islands | 0 | - | 4.45 | 20,012 |
| Asian Geography By Letter - A | 0 | - | 4.66 | 68,066 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,391 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,846 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,701 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 54,362 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.71 | 34,112 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 39,760 |
| Middle East A-Z | 0 | - | 4.46 | 43,497 |
| Middle Eastern Geography Quiz | 0 | - | 4.45 | 21,213 |
| Provinces of the Philippines | 0 | - | 4.62 | 36,887 |
| Countries of the Indian Diaspora | 0 | - | 4.48 | 51,494 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 23,503 |
| Europe Map Quiz | 0 | - | 5.00 | 4,354,720 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,706 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,174 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,843 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,411 |
| German Groups of Things | 0 | - | 4.43 | 36,390 |
| Word Chain - The Bible | 0 | - | 4.43 | 37,672 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,379 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,323 |
| Asia Map Quiz | 0 | - | 4.99 | 801,221 |
| East Asian Islands on the Map | 0 | - | 4.55 | 31,191 |
| A Quiz About Islam | 0 | - | 4.28 | 45,503 |
| History of Iran Quiz | 0 | - | 4.63 | 15,301 |
| Geography of Egypt | 0 | - | 4.59 | 20,161 |
| Largest Indonesian Islands | 0 | - | 4.69 | 45,525 |
| Sushi Translation | 0 | - | 4.12 | 13,292 |
| Mongolia Country Quiz | 0 | - | 4.70 | 36,232 |
| Taiwan Country Quiz | 0 | - | 4.74 | 40,287 |
| History of India | 0 | - | 4.52 | 19,542 |
| Africa Map Quiz | 0 | - | 5.00 | 1,962,262 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,243 |
| Australian Capitals | 0 | - | 4.92 | 61,126 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,811 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,987 |
| Official European Union Languages | 0 | - | 4.98 | 204,086 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,133 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,896 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 34,064 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,388 |
| British Groups of Things | 0 | - | 4.26 | 80,776 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,898 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 54,289 |
| Asian Geography by Letter - D | 0 | - | 4.25 | 49,348 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 48,807 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 64,523 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 61,886 |
| Asian Geography by Letter - N | 0 | - | 4.31 | 47,466 |
| South Asian Cities by Map | 0 | - | 4.37 | 22,416 |
| Word Chain - Asia | 0 | - | 4.32 | 28,040 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,896 |
| Asian Geography By Letter - J | 0 | - | 4.29 | 32,018 |
| Asian Geography By Letter - O | 0 | - | 4.64 | 26,832 |
| Asian Geography By Letter - R | 0 | - | 4.45 | 23,484 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,046 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.17 | 14,620 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 15,883 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 17,031 |
| English Words of Arabic Origin | 0 | - | 4.53 | 47,351 |
| Largest Philippines Islands | 0 | - | 4.60 | 20,116 |
| South Korea Country Quiz | 0 | - | 4.75 | 73,044 |
| Countries of Africa | 0 | - | 5.00 | 2,217,780 |
| Africa Geography Quiz #2 | 0 | - | 4.58 | 31,396 |
| African East Coast | 0 | - | 4.97 | 85,863 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,308 |
| Oceania Geography Quiz | 0 | - | 4.54 | 21,024 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,698 |
| Australia Map Quiz | 0 | - | 4.94 | 323,242 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,794 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 52,958 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 37,365 |
| United States Map Quiz | 0 | - | 4.98 | 3,935,032 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,059 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,390 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,349 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,801 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,541 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,352 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,493 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,340 |
| The Only European Country ... | 0 | - | 4.93 | 183,352 |
| Italian Foods | 0 | - | 4.25 | 65,555 |
| Random Capital to Country | 0 | - | 4.99 | 2,397,448 |
| Random Country to Capital | 0 | - | 4.98 | 815,440 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,288 |
| Most Common Last Names in Sweden | 0 | - | 4.43 | 14,243 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,911 |
| Geography of Spain | 0 | - | 4.52 | 20,588 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,320 |
| Counties of England | 0 | - | 4.97 | 705,099 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,906 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,295 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,714 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,691 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,243 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,241 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,883 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,303 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.38 | 27,341 |
| Countries of the Middle East | 0 | - | 4.96 | 177,100 |
| Iran... or Iraq? | 0 | - | 4.32 | 31,766 |
| History of Egypt | 0 | - | 4.56 | 22,468 |
| Countries That Don't Recognize Israel | 0 | - | 4.65 | 30,234 |
| China Country Quiz | 0 | - | 4.40 | 106,164 |
| Countries that Beat Japan | 0 | - | 4.44 | 61,859 |
| Japanese Loanwords | 0 | - | 4.50 | 80,120 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 72,693 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 28,484 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 15,990 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,675 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,686 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,151 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,005 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,662 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,541 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,718 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,113 |
| African Island Countries | 0 | - | 4.96 | 91,128 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,235 |
| Australian States and Territories | 0 | - | 4.96 | 130,713 |
| Australian Immigration by Country | 0 | - | 4.81 | 72,933 |
| Australia True or False | 0 | - | 4.90 | 52,279 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,423 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,913 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,240 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,164 |
| South America Map Quiz | 0 | - | 5.00 | 1,437,397 |
