| Provinces of China | 0 | - | 4.97 | 206,474 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,134 |
| Japanese Prefectures | 0 | - | 4.98 | 138,223 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,512 |
| History of China | 0 | - | 4.37 | 57,427 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,730 |
| Chinese Inventions | 0 | - | 4.30 | 33,838 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,434 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,450 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,775 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,809 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,106 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,315 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,662 |
| Dynasties of China | 0 | - | 4.64 | 28,003 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,331 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,798 |
| Provinces of Turkey | 0 | - | 4.94 | 205,159 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,872 |
| Famous Chinese People | 0 | - | 4.09 | 11,902 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,265 |
| States of India | 0 | - | 4.95 | 194,879 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,620 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,336 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,159 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,350 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,690 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,144 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,259 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,046 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,687 |
| Japanese Companies | 0 | - | 4.28 | 34,296 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,965 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,877 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,616 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,693 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,769 |
| Asian Physical Geography | 0 | - | 4.61 | 35,580 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,162 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,996 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,887 |
| Australian Capitals | 0 | - | 4.92 | 62,791 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,488 |
| Official European Union Languages | 0 | - | 4.97 | 239,263 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,323 |
| Europe Map Quiz | 0 | - | 5.00 | 4,777,307 |
| Asian Islands | 0 | - | 4.49 | 20,876 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,317 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,909 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,545 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,064 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,526 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,600 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,661 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,320 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,153 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,189 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,122 |
| Middle East A-Z | 0 | - | 4.47 | 46,195 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,698 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,677 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,059 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,865 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,653 |
| Asia Map Quiz | 0 | - | 4.99 | 921,950 |
| A Quiz About Islam | 0 | - | 4.31 | 48,545 |
| History of Iran | 0 | - | 4.66 | 16,392 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,030 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,189 |
| Geography of China | 0 | - | 4.21 | 13,991 |
| History of India | 0 | - | 4.62 | 21,478 |
| Africa Map Quiz | 0 | - | 5.00 | 2,124,586 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,116 |
| Australia Map Quiz | 0 | - | 4.95 | 345,590 |
| United States Map Quiz | 0 | - | 4.98 | 4,166,251 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,213 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,803 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,071 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,505 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,185 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,498 |
| The Only European Country ... | 0 | - | 4.91 | 218,032 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,996 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,970 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,170 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,069 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,331 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,937 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,885 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,353 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,539 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,888 |
| Word Chain - Asia | 0 | - | 4.34 | 29,367 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,595 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,848 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,775 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,592 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,027 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,839 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,631 |
| Countries of Africa | 0 | - | 5.00 | 2,550,375 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,499 |
| African East Coast | 0 | - | 4.96 | 96,471 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,340 |
| Australian States and Territories | 0 | - | 4.96 | 142,502 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,417 |
| Australia True or False | 0 | - | 4.87 | 57,026 |
| Flags of North and South America | 0 | - | 4.99 | 375,305 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,818 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,574 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,313 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,123 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,683 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,802 |
| North America Map Quiz | 0 | - | 4.98 | 250,131 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,887 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,642 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,608 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,416 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,027 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,459 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,974 |
| Celtic Nations | 0 | - | 4.69 | 47,044 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,674 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,188 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,755 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,967 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,538 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,814 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,914 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,454 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,944 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,813 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,558 |
| Slavic Countries | 0 | - | 4.96 | 112,089 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,563 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,293 |
| Counties of England | 0 | - | 4.97 | 800,489 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,468 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,436 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,555 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,256 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,626 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,881 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,458 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,013 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,066 |
| Countries of the Middle East | 0 | - | 4.96 | 202,084 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,627 |
| History of Egypt | 0 | - | 4.58 | 24,079 |
| Japanese Loanwords | 0 | - | 4.47 | 84,773 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,483 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,844 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,348 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,922 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,921 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,220 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,971 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,885 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,192 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,800 |
| African Island Countries | 0 | - | 4.96 | 102,136 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,176 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,508 |
| Flags of Oceania | 0 | - | 5.00 | 261,382 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,502 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,185 |
| Australia Country Quiz | 0 | - | 4.43 | 69,741 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,824 |
| Regions of New Zealand | 0 | - | 4.84 | 28,641 |
| The Only American Country ... | 0 | - | 4.92 | 121,966 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,429 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,428 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,390 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,970 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,570 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,715 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,493 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,744 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,652 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,133 |
| US States Quiz | 0 | - | 5.00 | 16,946,943 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,317 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,329 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,231 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,112 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,033 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,533 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,661 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,179 |
| Monarchies of Europe | 0 | - | 4.90 | 98,524 |
| European Countries with One Border | 0 | - | 4.97 | 183,376 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,148 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,794 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,975 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,572 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,508 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,267 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,078 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,421 |
