| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,876 |
| South America Map Quiz | 0 | - | 5.00 | 1,417,404 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 45,974 |
| Word Chain - South America | 0 | - | 4.49 | 21,949 |
| United States Map Quiz | 0 | - | 4.98 | 3,896,482 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,894 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,097 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,052 |
| Countries of North America Quiz | 0 | - | 5.00 | 876,681 |
| North America Map Quiz | 0 | - | 4.98 | 196,876 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 106,831 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 580,253 |
| Canada Geography Trivia | 0 | - | 4.81 | 44,693 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,845 |
| Islands of the Galápagos | 0 | - | 4.51 | 4,434 |
| Famous People from South America | 0 | - | 4.07 | 16,950 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,471 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 850,119 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,872 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 85,123 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,070 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,977 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 221,800 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,050 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,079 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,110 |
| Canada Provinces and Territories | 0 | - | 4.99 | 288,819 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,002 |
| States of Mexico | 0 | - | 4.95 | 140,399 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 39,631 |
| States of Brazil | 0 | - | 4.96 | 68,252 |
| Central American Countries | 0 | - | 4.98 | 138,795 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,187 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,324 |
| History of Mexico | 0 | - | 4.55 | 13,861 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,448 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 456,482 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,182 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,460 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,114 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,730 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,924 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 67,978 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,050 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 254,859 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,333 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 163,403 |
| Australian Capitals | 0 | - | 4.92 | 59,899 |
| Pixelated Americas Map | 0 | - | 4.42 | 41,849 |
| Largest Caribbean Islands | 0 | - | 4.01 | 15,351 |
| Famous Caribbean People | 0 | - | 4.36 | 12,115 |
| Saintly Islands of the Caribbean | 0 | - | 4.28 | 22,201 |
| Territories of the United States | 0 | - | 4.76 | 48,425 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,560 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,354 |
| Name a Valid Answer - United States #1 | 0 | - | 4.66 | 85,221 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,097 |
| Official European Union Languages | 0 | - | 4.98 | 199,940 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,700 |
| Europe Map Quiz | 0 | - | 5.00 | 4,282,384 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,342,282 |
| Asia Map Quiz | 0 | - | 4.99 | 782,717 |
| Africa Map Quiz | 0 | - | 5.00 | 1,935,118 |
| Oceania Map Quiz | 0 | - | 4.97 | 566,565 |
| Native American Tribes in the US | 0 | - | 4.71 | 22,928 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 385,230 |
| Countries that Beat Switzerland | 0 | - | 4.86 | 37,522 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 79,540 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,279,369 |
| Countries of Africa | 0 | - | 5.00 | 2,160,062 |
| African East Coast | 0 | - | 4.97 | 83,954 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,725 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,112 |
| Australia Map Quiz | 0 | - | 4.95 | 319,164 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,388 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,572 |
| South American Geography Quiz #2 | 0 | - | 4.71 | 36,963 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,598 |
| Top U.S. Cash Crops | 0 | - | 4.40 | 58,847 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,734 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.16 | 50,192 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.08 | 37,416 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,486 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,268 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,387 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,546 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,810 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,937 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,399 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 48,115 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,491 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,236 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,107 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,125 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,584 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,505 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,293 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,126 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 91,834 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,009 |
| The Only European Country ... | 0 | - | 4.94 | 177,560 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,821 |
| Counties of England | 0 | - | 4.96 | 688,451 |
| Flags of Asia Quiz | 0 | - | 4.99 | 522,829 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,024 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,425 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,546 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,359 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,700 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,348 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,484 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,855 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,088 |
| Countries of the Middle East | 0 | - | 4.96 | 172,639 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 51,998 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,562 |
| Flags of Africa Quiz | 0 | - | 4.99 | 384,980 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,324 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,341 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,492 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,607 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,031 |
| Top African Languages on a Map | 0 | - | 4.91 | 52,556 |
| African Island Countries | 0 | - | 4.96 | 89,104 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 222,476 |
| Australian States and Territories | 0 | - | 4.96 | 128,792 |
| Australia True or False | 0 | - | 4.90 | 51,238 |
| South American Physical Geography | 0 | - | 4.56 | 17,267 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 25,352 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,326 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 33,895 |
| Bahamas Country Quiz | 0 | - | 4.60 | 17,482 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,210 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,041,076 |
| Celtic Nations | 0 | - | 4.76 | 44,612 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,180,251 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,254 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,203 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 185,448 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 76,781 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,493 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 284,604 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,190 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.91 | 49,000 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,325 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,181 |
| Slavic Countries | 0 | - | 4.96 | 100,234 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,238 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,664 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,585 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,125 |
| UK Cities Map Quiz | 0 | - | 4.94 | 432,705 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,695 |
| Counties of England Map Quiz | 0 | - | 4.97 | 286,363 |
| Champions League Winners | 0 | - | 4.91 | 849,519 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,971 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,431 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 91,084 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,324 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 111,111 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,995 |
| Monarchies of Asia | 0 | - | 4.95 | 53,886 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 88,118 |
| Provinces of Turkey | 0 | - | 4.95 | 177,009 |
| Provinces of China | 0 | - | 4.97 | 154,876 |
| Japanese Prefectures | 0 | - | 4.98 | 105,971 |
| States of India | 0 | - | 4.91 | 153,438 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,586 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,056 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 25,039 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,789 |
| The Only African Country ... | 0 | - | 4.98 | 105,030 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,407 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,036 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,995 |
| Flags of Oceania | 0 | - | 5.00 | 214,488 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 20,251 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,970 |
| Australia Country Quiz | 0 | - | 4.43 | 57,414 |
| Regions of New Zealand | 0 | - | 4.83 | 24,391 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 308,784 |
| The Only American Country ... | 0 | - | 4.94 | 109,437 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,591 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.42 | 16,185 |
| South American Geography Quiz #1 | 0 | - | 4.72 | 30,621 |
| North America Capitals Quiz | 0 | - | 4.99 | 185,493 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,018 |
| American Islands | 0 | - | 4.16 | 15,744 |
| American Foods | 0 | - | 3.71 | 38,151 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,692 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,631 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,262 |
| U.S. Groups of Three Quiz | 0 | - | 4.03 | 19,468 |
| New York City Geography | 0 | - | 4.40 | 23,380 |
| Old West History | 0 | - | 4.28 | 14,779 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,220 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,781 |
| US States Quiz | 0 | - | 5.00 | 14,693,378 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,150 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,658 |
