| Provinces of China | 0 | - | 4.97 | 205,927 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,819 |
| Japanese Prefectures | 0 | - | 4.98 | 137,860 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,425 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,165 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,486 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,813 |
| China's Territorial Disputes | 0 | - | 4.47 | 35,701 |
| Chinese Inventions | 0 | - | 4.30 | 33,826 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,430 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,427 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,462 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,566 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,626 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,301 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,695 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,901 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,216 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,622 |
| Dynasties of China | 0 | - | 4.64 | 27,982 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,298 |
| Capital Cities Chain | 0 | - | 4.84 | 83,016 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,324 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,753 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,625 |
| Provinces of Turkey | 0 | - | 4.94 | 204,815 |
| Famous Chinese People | 0 | - | 4.09 | 11,892 |
| States of India | 0 | - | 4.95 | 194,404 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,423 |
| Word Chain - Australia | 0 | - | 4.38 | 38,178 |
| History of China | 0 | - | 4.37 | 57,363 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,207 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,955 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,190 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,577 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,849 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,622 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,188 |
| Word Chain - France | 0 | - | 4.38 | 42,859 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,854 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,311 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,648 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,521 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,982 |
| Japan Country Quiz | 0 | - | 4.93 | 142,825 |
| Japanese Companies | 0 | - | 4.28 | 34,271 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,957 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,827 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,048 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,139 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,673 |
| Name a Valid African Country | 0 | - | 4.98 | 154,461 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,829 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,466 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,891 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,643 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,074 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,017 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,984 |
| Geography of China | 0 | - | 4.21 | 13,983 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,908 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,583 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,856 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,127 |
| Word Chain - Germany | 0 | - | 4.31 | 22,633 |
| Word Chain - Italy | 0 | - | 4.07 | 23,194 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,367 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,554 |
| Asian Physical Geography | 0 | - | 4.61 | 35,568 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,144 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,589 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,936 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,141 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,683 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,751 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,690 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,282 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,480 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,377 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,037 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,333 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,313 |
| German Groups of Things | 0 | - | 4.46 | 38,537 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,489 |
| Asian Islands | 0 | - | 4.49 | 20,869 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,290 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,864 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,521 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,031 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,490 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,128 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,147 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,069 |
| Middle East A-Z | 0 | - | 4.47 | 46,162 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,532 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,560 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,017 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,843 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,098 |
| Australian Capitals | 0 | - | 4.92 | 62,771 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,612 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,375 |
| Official European Union Languages | 0 | - | 4.97 | 239,027 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,200 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,379 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,974 |
| Asia Map Quiz | 0 | - | 4.99 | 920,321 |
| A Quiz About Islam | 0 | - | 4.31 | 48,516 |
| Word Chain - The Middle East | 0 | - | 4.00 | 15,078 |
| History of Iran | 0 | - | 4.66 | 16,388 |
| Geography of Egypt | 0 | - | 4.60 | 21,559 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,976 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,146 |
| Sushi Translation | 0 | - | 4.08 | 13,955 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,635 |
| Taiwan Country Quiz | 0 | - | 4.69 | 43,600 |
| History of India | 0 | - | 4.62 | 21,466 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,613 |
| NBA Basketball Word Chain | 0 | - | 4.20 | 38,073 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,084 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,014 |
| Australia Map Quiz | 0 | - | 4.95 | 345,345 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,804 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,692 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,403 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,270 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,934 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,760 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,722 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,221 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,767 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,136 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,825 |
| The Only European Country ... | 0 | - | 4.91 | 217,609 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,716 |
| Italian Foods | 0 | - | 4.30 | 72,996 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,930 |
| British Groups of Things | 0 | - | 4.25 | 82,919 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,154 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,034 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,302 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,901 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,855 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,323 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,529 |
| Word Chain - Asia | 0 | - | 4.34 | 29,358 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,401 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,821 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,149 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,588 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,005 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,818 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,604 |
| South Korea Country Quiz | 0 | - | 4.74 | 79,684 |
| Countries of Africa | 0 | - | 5.00 | 2,546,794 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,166 |
| African East Coast | 0 | - | 4.96 | 96,356 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,208 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,552 |
| Random Country to Capital | 0 | - | 4.98 | 923,485 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,456 |
| Australian States and Territories | 0 | - | 4.96 | 142,332 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,379 |
| Australia True or False | 0 | - | 4.87 | 56,979 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,557 |
| Flags of North and South America | 0 | - | 4.99 | 374,654 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,741 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,444 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,180 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,236 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 41,677 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,867 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,654 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,524 |
| North America Map Quiz | 0 | - | 4.98 | 249,664 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,824 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,595 |
| California Groups of Things | 0 | - | 4.25 | 45,550 |
| New York Groups of Things | 0 | - | 4.35 | 65,052 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,518 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,221 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,007 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,050 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,337 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,990 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,440 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,778 |
| Celtic Nations | 0 | - | 4.69 | 47,006 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,005 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,506 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,570 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,417 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,673 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,586 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,604 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,737 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,653 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,475 |
| Slavic Countries | 0 | - | 4.96 | 111,958 |
