| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,913 |
| South America Map Quiz | 0 | - | 5.00 | 1,437,282 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,789 |
| Word Chain - South America | 0 | - | 4.49 | 22,335 |
| United States Map Quiz | 0 | - | 4.98 | 3,934,797 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,908 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,227 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,147 |
| Countries of North America Quiz | 0 | - | 5.00 | 898,005 |
| North America Map Quiz | 0 | - | 4.98 | 204,191 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,235 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,371 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,289 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,068 |
| Islands of the Galápagos | 0 | - | 4.53 | 4,477 |
| Famous People from South America | 0 | - | 4.13 | 19,639 |
| Uruguay Country Quiz | 0 | - | 4.82 | 29,031 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,478 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,377 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,845 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,556 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,027 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,319 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,514 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,339 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,180 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 74,046 |
| States of Mexico | 0 | - | 4.94 | 145,342 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,240 |
| States of Brazil | 0 | - | 4.97 | 71,208 |
| Central American Countries | 0 | - | 4.98 | 141,393 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,701 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,261 |
| History of Mexico | 0 | - | 4.57 | 14,085 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,554 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,120 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,617 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,786 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,901 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,840 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,883 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,394 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,399 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,659 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,433 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,722 |
| Australian Capitals | 0 | - | 4.92 | 61,124 |
| Pixelated Americas Map | 0 | - | 4.42 | 42,796 |
| Largest Caribbean Islands | 0 | - | 4.03 | 15,546 |
| Famous Caribbean People | 0 | - | 4.36 | 12,175 |
| Saintly Islands of the Caribbean | 0 | - | 4.30 | 22,478 |
| Territories of the United States | 0 | - | 4.76 | 49,028 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,698 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,119 |
| Top U.S. Cash Crops | 0 | - | 4.41 | 59,461 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,961 |
| Name a Valid Answer - United States #1 | 0 | - | 4.65 | 87,434 |
| Canada Immigration by Country | 0 | - | 4.51 | 57,999 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,982 |
| Official European Union Languages | 0 | - | 4.98 | 204,061 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,122 |
| Europe Map Quiz | 0 | - | 5.00 | 4,354,234 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,253 |
| Asia Map Quiz | 0 | - | 4.99 | 801,103 |
| Africa Map Quiz | 0 | - | 5.00 | 1,962,017 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,162 |
| Native American Tribes in the US | 0 | - | 4.65 | 23,291 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,841 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,381 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,880 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,293,965 |
| Countries of Africa | 0 | - | 5.00 | 2,217,395 |
| African East Coast | 0 | - | 4.97 | 85,857 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,295 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,688 |
| Australia Map Quiz | 0 | - | 4.94 | 323,202 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,507 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 52,956 |
| South American Geography Quiz #2 | 0 | - | 4.65 | 37,361 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,390 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,903 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.17 | 50,506 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.09 | 38,020 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,418 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,743 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,838 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,662 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,252 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 78,763 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,247 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,924 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,503 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,635 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,459 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,042 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,390 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,308 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,769 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,340 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,473 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,337 |
| The Only European Country ... | 0 | - | 4.93 | 183,316 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,286 |
| Counties of England | 0 | - | 4.97 | 704,938 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,214 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,695 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,681 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,235 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,227 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,859 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,289 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,110 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,259 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,799 |
| Countries of the Middle East | 0 | - | 4.96 | 177,008 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,485 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,667 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,618 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,139 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,991 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,648 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,529 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,698 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,081 |
| African Island Countries | 0 | - | 4.96 | 91,119 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,208 |
| Australian States and Territories | 0 | - | 4.96 | 130,698 |
| Australian Immigration by Country | 0 | - | 4.81 | 72,851 |
| Australia True or False | 0 | - | 4.90 | 52,269 |
| South American Physical Geography | 0 | - | 4.56 | 17,423 |
| Paraguay... or Uruguay? | 0 | - | 4.53 | 25,578 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,683 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,853 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,267 |
| Bahamas Country Quiz | 0 | - | 4.61 | 17,804 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,052 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,067,219 |
| Celtic Nations | 0 | - | 4.76 | 45,054 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,209,411 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,245 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,223 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 190,703 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,697 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,842 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,043 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,914 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 51,851 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,483 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,967 |
| Slavic Countries | 0 | - | 4.96 | 101,633 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,111 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,738 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,470 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,524 |
| UK Cities Map Quiz | 0 | - | 4.95 | 438,212 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,075 |
| Counties of England Map Quiz | 0 | - | 4.97 | 290,110 |
| Champions League Winners | 0 | - | 4.92 | 893,925 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,426 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,540 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 93,476 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,421 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,493 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,487 |
| Monarchies of Asia | 0 | - | 4.95 | 54,819 |
| Provinces of Turkey | 0 | - | 4.95 | 180,936 |
| Provinces of China | 0 | - | 4.98 | 161,545 |
| Japanese Prefectures | 0 | - | 4.98 | 110,757 |
| States of India | 0 | - | 4.92 | 159,988 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 55,042 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,556 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,531 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,132 |
| The Only African Country ... | 0 | - | 4.99 | 121,206 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,283 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,815 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,677 |
| Flags of Oceania | 0 | - | 5.00 | 220,728 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,712 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 133,344 |
| Australia Country Quiz | 0 | - | 4.44 | 58,264 |
| Australia... or New Zealand? | 0 | - | 4.83 | 55,667 |
| Regions of New Zealand | 0 | - | 4.83 | 24,993 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,348 |
| The Only American Country ... | 0 | - | 4.94 | 111,590 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,341 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.42 | 16,317 |
| South American Geography Quiz #1 | 0 | - | 4.72 | 30,971 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,655 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,175 |
| American Islands | 0 | - | 4.17 | 15,826 |
| American Foods | 0 | - | 3.73 | 38,305 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,737 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,789 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,580 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,707 |
| New York City Geography | 0 | - | 4.40 | 23,529 |
| Old West History | 0 | - | 4.29 | 14,837 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,257 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,979 |
