| Provinces of China | 0 | - | 4.97 | 209,071 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,106 |
| Japanese Prefectures | 0 | - | 4.98 | 139,482 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,632 |
| History of China | 0 | - | 4.35 | 57,700 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,855 |
| Chinese Inventions | 0 | - | 4.30 | 33,877 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,468 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,527 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,870 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,265 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,960 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,836 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,826 |
| Dynasties of China | 0 | - | 4.64 | 28,112 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,464 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,146 |
| Provinces of Turkey | 0 | - | 4.95 | 206,387 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,205 |
| Famous Chinese People | 0 | - | 4.09 | 11,935 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,457 |
| States of India | 0 | - | 4.94 | 196,644 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,614 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,979 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,464 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,203 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,887 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,411 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 277,023 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,290 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,840 |
| Japanese Companies | 0 | - | 4.29 | 34,402 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,997 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,052 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,708 |
| Embarrassing Chapters in Chinese History | 0 | - | 3.55 | 16,721 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,103 |
| Asian Physical Geography | 0 | - | 4.61 | 35,645 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,239 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,226 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,728 |
| Australian Capitals | 0 | - | 4.92 | 62,865 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,881 |
| Official European Union Languages | 0 | - | 4.97 | 240,424 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,865 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,581 |
| Asian Islands | 0 | - | 4.49 | 20,922 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,546 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,166 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,730 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,294 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,738 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,695 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,779 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,392 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,239 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,402 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,408 |
| Middle East A-Z | 0 | - | 4.47 | 46,280 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,262 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,143 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,621 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,506 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,633 |
| Asia Map Quiz | 0 | - | 4.99 | 927,060 |
| A Quiz About Islam | 0 | - | 4.32 | 48,669 |
| History of Iran | 0 | - | 4.66 | 16,443 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,247 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,377 |
| Geography of China | 0 | - | 4.35 | 19,096 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,647 |
| History of India | 0 | - | 4.62 | 21,531 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,228 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,633 |
| Australia Map Quiz | 0 | - | 4.95 | 346,574 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,063 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,439 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,006 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,328 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,670 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,407 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,564 |
| The Only European Country ... | 0 | - | 4.91 | 219,707 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,897 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,117 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,287 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,241 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,472 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,124 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,085 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,512 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,579 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,027 |
| Word Chain - Asia | 0 | - | 4.34 | 29,405 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,219 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 35,004 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,203 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,627 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,108 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,930 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,744 |
| Countries of Africa | 0 | - | 5.00 | 2,565,908 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,300 |
| African East Coast | 0 | - | 4.96 | 96,953 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,853 |
| Australian States and Territories | 0 | - | 4.96 | 143,108 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,555 |
| Australia True or False | 0 | - | 4.87 | 57,230 |
| Flags of North and South America | 0 | - | 4.99 | 378,369 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,096 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,014 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,907 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,851 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,793 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,798 |
| North America Map Quiz | 0 | - | 4.98 | 252,945 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,043 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,276 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,531 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,689 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,258 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,126 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,561 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,831 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,576 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,379 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,938 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,162 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,296 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,663 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,811 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,417 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,944 |
| Slavic Countries | 0 | - | 4.96 | 112,539 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,769 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| Counties of England | 0 | - | 4.97 | 804,606 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,932 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,275 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,969 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,776 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,105 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,364 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,072 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,537 |
| Most Guessed Cities in Asia - Not Capitals | 0 | - | 4.37 | 29,142 |
| Countries of the Middle East | 0 | - | 4.96 | 203,345 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,694 |
| History of Egypt | 0 | - | 4.58 | 24,118 |
| Japanese Loanwords | 0 | - | 4.47 | 84,949 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,919 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,596 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,462 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,237 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,103 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,747 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,777 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,028 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,543 |
| African Island Countries | 0 | - | 4.96 | 102,781 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,942 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,828 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,539 |
| Flags of Oceania | 0 | - | 5.00 | 263,660 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,822 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,730 |
| Australia Country Quiz | 0 | - | 4.43 | 69,900 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,131 |
| Regions of New Zealand | 0 | - | 4.84 | 28,810 |
| The Only American Country ... | 0 | - | 4.92 | 122,380 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,803 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,588 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,018 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,336 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,362 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,977 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,014 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,098 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,278 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,348 |
| US States Quiz | 0 | - | 5.00 | 17,028,898 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,640 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,182 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,780 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,934 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,928 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,837 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,686 |
| Monarchies of Europe | 0 | - | 4.90 | 99,068 |
| European Countries with One Border | 0 | - | 4.97 | 184,081 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,801 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,208 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,608 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,225 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,005 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,614 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,854 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,017 |
