| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,278 |
| South America Map Quiz | 0 | - | 5.00 | 1,411,735 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,636 |
| Word Chain - South America | 0 | - | 4.48 | 21,845 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,060 |
| United States Map Quiz | 0 | - | 4.98 | 3,884,263 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,494 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,602 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,170 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,843 |
| North America Map Quiz | 0 | - | 4.98 | 195,134 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,094 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,748 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,443 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 848,003 |
| U.S. Geography True or False #1 | 0 | - | 4.51 | 26,516 |
| Islands of the Galápagos | 0 | - | 4.51 | 4,383 |
| Famous People from South America | 0 | - | 4.04 | 10,858 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,332 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,516 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,665 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,335 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,483 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,732 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,568 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,718 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,377 |
| Canada Provinces and Territories | 0 | - | 4.99 | 287,128 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 72,679 |
| States of Mexico | 0 | - | 4.95 | 138,781 |
| History of Mexico | 0 | - | 4.55 | 13,801 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 39,063 |
| States of Brazil | 0 | - | 4.96 | 67,476 |
| Central American Countries | 0 | - | 4.98 | 138,074 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,594 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,653 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,131 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,327 |
| Paraguay... or Uruguay? | 0 | - | 4.54 | 25,289 |
| 10 Northernmost U.S. States | 0 | - | 4.87 | 72,331 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,617 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,332 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,676 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 162,895 |
| U.S. Geography - Multiple Choice | 0 | - | 4.43 | 22,451 |
| Canada Geography Trivia | 0 | - | 4.80 | 44,505 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,408 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 253,370 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,282 |
| Pixelated Americas Map | 0 | - | 4.41 | 41,574 |
| Largest Caribbean Islands | 0 | - | 4.01 | 15,311 |
| Famous Caribbean People | 0 | - | 4.35 | 12,083 |
| Saintly Islands of the Caribbean | 0 | - | 4.27 | 22,126 |
| Territories of the United States | 0 | - | 4.76 | 48,269 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,621 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,176 |
| Name a Valid Answer - United States #1 | 0 | - | 4.70 | 84,800 |
| California Multiple Choice | 0 | - | 4.40 | 26,759 |
| Florida Multiple Choice | 0 | - | 4.29 | 9,678 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,827 |
| Europe Map Quiz | 0 | - | 5.00 | 4,261,620 |
| Save Europeans by Guessing Countries | 0 | - | 4.85 | 163,899 |
| France True or False? | 0 | - | 4.40 | 36,820 |
| Which Country of the United Kingdom? | 0 | - | 4.59 | 34,934 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,695 |
| Asia Map Quiz | 0 | - | 4.99 | 775,938 |
| Which Asian Country? | 0 | - | 4.64 | 54,539 |
| Africa Map Quiz | 0 | - | 5.00 | 1,927,462 |
| Which African Country? | 0 | - | 4.57 | 34,310 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,235 |
| Australian Capitals | 0 | - | 4.90 | 52,959 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 23,871 |
| U.S. History Multiple Choice #1 | 0 | - | 4.28 | 21,124 |
| U.S. History Multiple Choice #3 | 0 | - | 4.39 | 23,299 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 23,998 |
| Native American Tribes in the US | 0 | - | 4.71 | 22,849 |
| Official European Union Languages | 0 | - | 4.98 | 199,000 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,000 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,454 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 79,854 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,510 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,318 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,315 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,851 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,274,447 |
| China Multiple Choice | 0 | - | 4.52 | 35,120 |
| Countries of Africa | 0 | - | 5.00 | 2,145,194 |
| African East Coast | 0 | - | 4.97 | 83,435 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,250 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,736 |
| Australia Map Quiz | 0 | - | 4.95 | 317,559 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,349 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,473 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,852 |
| South American Physical Geography | 0 | - | 4.56 | 17,229 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,421 |
| Top U.S. Cash Crops | 0 | - | 4.40 | 58,671 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,705 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.16 | 50,121 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.07 | 37,246 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,181 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,173 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.80 | 56,136 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,262 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 67,725 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,324 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,695 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,553 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,138 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 47,805 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,149 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 42,105 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,235 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.51 | 33,773 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 41,899 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,020 |
| Bahamas Country Quiz | 0 | - | 4.60 | 17,395 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,386 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,428 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,686 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,193 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,853 |
| 10 Easternmost Countries in Europe | 0 | - | 4.84 | 91,088 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,933 |
| The Only European Country ... | 0 | - | 4.94 | 176,274 |
| Austria... or Australia? | 0 | - | 4.79 | 97,518 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,441 |
| Iceland... or Ireland? | 0 | - | 4.72 | 53,811 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,731 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,569 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,716 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,847 |
| UK Cities Map Quiz | 0 | - | 4.94 | 431,415 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,048 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,469 |
| Counties of England | 0 | - | 4.96 | 684,268 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 264,674 |
| Champions League Winners | 0 | - | 4.91 | 840,755 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,618 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,699 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,591 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,960 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,164 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,949 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,236 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,510 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,110 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,849 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,741 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,110 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,017 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,027 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,609 |
| Monarchies of Asia | 0 | - | 4.95 | 53,648 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,720 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,712 |
| Countries of the Middle East | 0 | - | 4.96 | 171,645 |
| Provinces of Turkey | 0 | - | 4.95 | 175,653 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,899 |
| Provinces of China | 0 | - | 4.97 | 153,209 |
| Japanese Prefectures | 0 | - | 4.98 | 104,930 |
| States of India | 0 | - | 4.91 | 151,858 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,069 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,943 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,929 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,006 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,591 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,072 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,093 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,733 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,541 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,340 |
| The Only African Country ... | 0 | - | 4.99 | 104,616 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,224 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,563 |
| African Island Countries | 0 | - | 4.96 | 88,657 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,408 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,175 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,603 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 25,309 |
| South Africa Multiple Choice | 0 | - | 4.54 | 25,955 |
| Flags of Oceania | 0 | - | 5.00 | 212,974 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,693 |
| Australian States and Territories | 0 | - | 4.96 | 128,302 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,311 |
| Australian True or False | 0 | - | 4.90 | 50,900 |
| Australia... or New Zealand? | 0 | - | 4.83 | 53,887 |
| Regions of New Zealand | 0 | - | 4.83 | 24,218 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,774 |
| The Only American Country ... | 0 | - | 4.94 | 108,952 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,107 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.42 | 16,136 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 30,541 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,328 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 25,980 |
| American Islands | 0 | - | 4.16 | 15,717 |
| American Foods | 0 | - | 3.69 | 38,108 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,678 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,585 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,170 |
