| Australian Capitals | 0 | - | 4.90 | 52,953 |
| Australian True or False | 0 | - | 4.90 | 50,863 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,535 |
| Australia Country Quiz | 0 | - | 4.44 | 57,130 |
| Regions of New Zealand | 0 | - | 4.83 | 24,191 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,194 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 253,183 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,140 |
| Official European Union Languages | 0 | - | 4.98 | 198,872 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,936 |
| Europe Map Quiz | 0 | - | 5.00 | 4,258,351 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,101 |
| Asia Map Quiz | 0 | - | 4.99 | 774,939 |
| Africa Map Quiz | 0 | - | 5.00 | 1,926,378 |
| Oceania Map Quiz | 0 | - | 4.97 | 562,724 |
| Non-Stop Flights to New Zealand | 0 | - | 4.48 | 42,418 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,188 |
| Word Chain - Australia | 0 | - | 4.38 | 36,045 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,295 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,740 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,273,847 |
| Countries of Africa | 0 | - | 5.00 | 2,143,030 |
| African East Coast | 0 | - | 4.97 | 83,367 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,043 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,688 |
| Australia Map Quiz | 0 | - | 4.95 | 317,419 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,241 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,417 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,588 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,010 |
| Celtic Nations | 0 | - | 4.76 | 44,525 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,810 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,961 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,918 |
| The Only European Country ... | 0 | - | 4.94 | 176,122 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,719 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,646 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,901 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,872 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,028 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,764 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,964 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,911 |
| Countries of the Middle East | 0 | - | 4.96 | 171,500 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,882 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,030 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,947 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,484 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,997 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,972 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,248 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,443 |
| African Island Countries | 0 | - | 4.96 | 88,583 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,270 |
| Oceania Physical Geography | 0 | - | 4.25 | 11,873 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,777 |
| Australian States and Territories | 0 | - | 4.96 | 128,234 |
| Famous Australians | 0 | - | 4.21 | 19,290 |
| Australian Slang | 0 | - | 4.24 | 26,304 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,454 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,351 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,081 |
| North America Map Quiz | 0 | - | 4.98 | 194,862 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,063 |
| United States Map Quiz | 0 | - | 4.98 | 3,882,662 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,397 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,954 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,619 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,500 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,566 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,295 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,082 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,260 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,659 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,803 |
| Eastern Europe Map Quiz | 0 | - | 4.88 | 114,780 |
| Slavic Countries | 0 | - | 4.96 | 99,823 |
| Counties of England | 0 | - | 4.96 | 683,591 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,127 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,457 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,077 |
| South America Map Quiz | 0 | - | 5.00 | 1,410,976 |
| Countries of North America Quiz | 0 | - | 5.00 | 869,936 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,477 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,033,258 |
| Count to 10 in Europe: Pro | 0 | - | 4.79 | 60,619 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,171,798 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,483 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,619 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,792 |
| UK Cities Map Quiz | 0 | - | 4.94 | 431,003 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,000 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,362 |
| Champions League Winners | 0 | - | 4.90 | 839,636 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,558 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,215 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,436 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,661 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,980 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,549 |
| Monarchies of Asia | 0 | - | 4.95 | 53,611 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,653 |
| Provinces of Turkey | 0 | - | 4.95 | 175,509 |
| Provinces of China | 0 | - | 4.97 | 152,909 |
| Japanese Prefectures | 0 | - | 4.98 | 104,815 |
| States of India | 0 | - | 4.91 | 151,661 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,909 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,689 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,509 |
| The Only African Country ... | 0 | - | 4.98 | 104,576 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,201 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,131 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,541 |
| Flags of Oceania | 0 | - | 5.00 | 212,733 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,240 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,513 |
| The Only American Country ... | 0 | - | 4.94 | 108,912 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,046 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,317 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,660 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,460 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,599 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,205 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,459 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,633 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,502 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,670 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,282 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,926 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,456 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,824 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,613 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,638 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,811 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,545 |
| Monarchies of Europe | 0 | - | 4.88 | 86,287 |
| European Countries with One Border | 0 | - | 4.96 | 149,182 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,431 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,569 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,397 |
| Countries Formerly in Yugoslavia | 0 | - | 4.94 | 101,001 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,422 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,494 |
| States of Germany | 0 | - | 4.94 | 121,762 |
| Counties of Ireland | 0 | - | 4.89 | 157,400 |
| Regions of Italy | 0 | - | 4.88 | 59,608 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,402 |
| Spanish Immigration by Country | 0 | - | 4.59 | 51,547 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,375 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,118 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 91,954 |
| UK Immigration by Country | 0 | - | 4.95 | 124,196 |
| United Kingdom Country Quiz | 0 | - | 4.93 | 117,236 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,500 |
| England or Wales? | 0 | - | 4.93 | 39,857 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,611 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,728 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,124 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 80,602 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,640 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,109 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,722 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.42 | 245,715 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,429 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,187 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,865 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,504 |
| Indonesia Country Quiz | 0 | - | 4.83 | 64,732 |
| China Cities Map Quiz | 0 | - | 4.87 | 88,006 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 83,017 |
| China's Territorial Disputes | 0 | - | 4.42 | 32,636 |
| Japan Country Quiz | 0 | - | 4.92 | 118,159 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,468 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,055 |
| African Great Lakes | 0 | - | 4.84 | 52,157 |
| African Countries with the Most Christians | 0 | - | 4.92 | 66,691 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 108,677 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 287,503 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 83,740 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 59,105 |
| Countries Closest to Australia | 0 | - | 4.99 | 144,481 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,264 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,306 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,406 |
| States of Mexico | 0 | - | 4.95 | 138,520 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,494 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,197 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,941 |
| Brazil States Map Quiz | 0 | - | 4.84 | 38,946 |
| States of Brazil | 0 | - | 4.96 | 67,346 |
| Central American Countries | 0 | - | 4.98 | 137,977 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,541 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,593 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,928 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,213 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,206 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,295 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,084 |
| US States Quiz | 0 | - | 5.00 | 14,583,840 |
