| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,200 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,949 |
| States of Brazil | 0 | - | 4.96 | 67,386 |
| South America Map Quiz | 0 | - | 5.00 | 1,411,002 |
| States of Mexico | 0 | - | 4.95 | 138,541 |
| Brazil States Map Quiz | 0 | - | 4.84 | 38,948 |
| Oceania Map Quiz | 0 | - | 4.97 | 562,748 |
| Australian Capitals | 0 | - | 4.90 | 52,953 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,689 |
| United States Map Quiz | 0 | - | 4.98 | 3,882,764 |
| Australian States and Territories | 0 | - | 4.96 | 128,237 |
| Australian True or False | 0 | - | 4.90 | 50,864 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,456 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,356 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,084 |
| South American Physical Geography | 0 | - | 4.56 | 17,221 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,014 |
| North America Map Quiz | 0 | - | 4.98 | 194,876 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,066 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,491 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,399 |
| Flags of Oceania | 0 | - | 5.00 | 212,766 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,534 |
| The Only American Country ... | 0 | - | 4.94 | 108,916 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,051 |
| South America Capitals Quiz | 0 | - | 5.00 | 415,705 |
| Famous People from South America | 0 | - | 4.02 | 10,690 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,698 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,466 |
| 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 | 46,212 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,460 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,646 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,507 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,674 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,294 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,936 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,548 |
| Australia Country Quiz | 0 | - | 4.44 | 57,130 |
| Regions of New Zealand | 0 | - | 4.83 | 24,198 |
| Islands of the Galápagos | 0 | - | 4.51 | 4,383 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,317 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,389 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,112 |
| Palau Country Quiz | 0 | - | 4.87 | 20,199 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,266 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,411 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,462 |
| History of Mexico | 0 | - | 4.55 | 13,790 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,496 |
| South America A-Z | 0 | - | 4.10 | 9,974 |
| Central American Countries | 0 | - | 4.98 | 137,981 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,541 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,600 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,931 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,217 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,221 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,301 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,085 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,309 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,907 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,250 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,042 |
| Pixelated United States Map | 0 | - | 4.91 | 81,340 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 92,064 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,657 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,456 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,146 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,244 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,395 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,235 |
| U.S. States By Population | 0 | - | 4.90 | 129,244 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,404 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,528 |
| 10 Northernmost U.S. States | 0 | - | 4.87 | 70,783 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,896 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,153 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,518 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,269 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,637 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,293 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,196 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,568 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 253,193 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,146 |
| Animals of Australia | 0 | - | 4.51 | 39,648 |
| Australian Immigration by Country | 0 | - | 4.66 | 60,343 |
| Guyana Country Quiz | 0 | - | 4.49 | 19,938 |
| Venezuela Country Quiz | 0 | - | 4.49 | 27,272 |
| Paraguay Country Quiz | 0 | - | 4.50 | 22,386 |
| Bolivia Country Quiz | 0 | - | 4.60 | 23,498 |
| Suriname Country Quiz | 0 | - | 4.60 | 17,609 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 162,835 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,817 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,573 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,752 |
| Canada Geography Trivia | 0 | - | 4.80 | 44,489 |
| New Zealand Country Quiz | 0 | - | 4.72 | 68,932 |
| Non-Stop Flights to New Zealand | 0 | - | 4.48 | 42,420 |
| Pixelated Americas Map | 0 | - | 4.41 | 41,535 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 48,721 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,421 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.12 | 16,408 |
| Mexican Foods | 0 | - | 4.08 | 13,451 |
| Belize Country Quiz | 0 | - | 4.88 | 18,571 |
| Largest Caribbean Islands | 0 | - | 4.01 | 15,305 |
| Famous Caribbean People | 0 | - | 4.35 | 12,079 |
| Saintly Islands of the Caribbean | 0 | - | 4.27 | 22,117 |
| Territories of the United States | 0 | - | 4.76 | 48,247 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,548 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,156 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,790 |
| Europe Map Quiz | 0 | - | 5.00 | 4,258,545 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,164 |
| Asia Map Quiz | 0 | - | 4.99 | 775,025 |
| Africa Map Quiz | 0 | - | 5.00 | 1,926,431 |
| Word Chain - Australia | 0 | - | 4.38 | 36,046 |
| South American Cities on the Map | 0 | - | 4.55 | 32,947 |
| Largest Virgin Islands | 0 | - | 4.23 | 4,903 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,820 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,287 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,811 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,146 |
| United States Country Quiz | 0 | - | 4.45 | 88,031 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 71,999 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,424 |
| Native American Tribes in the US | 0 | - | 4.71 | 22,836 |
| Canada Country Quiz | 0 | - | 4.49 | 120,500 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,811 |
| Official European Union Languages | 0 | - | 4.98 | 198,882 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,940 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,213 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,299 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,750 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,273,908 |
| Countries of Africa | 0 | - | 5.00 | 2,143,197 |
| African East Coast | 0 | - | 4.97 | 83,375 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,055 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,777 |
| Australia Map Quiz | 0 | - | 4.95 | 317,428 |
| AFL Teams | 0 | - | 4.39 | 34,766 |
| Vanuatu Country Quiz | 0 | - | 4.60 | 20,204 |
| Solomon Islands Country Quiz | 0 | - | 4.54 | 16,882 |
| Nauru Country Quiz | 0 | - | 4.55 | 20,712 |
| Papua New Guinea Country Quiz | 0 | - | 4.59 | 27,657 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,343 |
| The Americas Geography by Letter - C | 0 | - | 4.28 | 54,548 |
| The Americas Geography by Letter - A | 0 | - | 4.28 | 41,689 |
| The Americas Geography by Letter - T | 0 | - | 4.23 | 38,401 |
| The Americas Geography by Letter - P | 0 | - | 4.36 | 36,136 |
| The Americas Geography by Letter - M | 0 | - | 4.40 | 36,180 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,837 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,400 |
| Top U.S. Cash Crops | 0 | - | 4.40 | 58,646 |
| American Legal Vocabulary | 0 | - | 4.43 | 31,984 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,699 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.16 | 50,110 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,070 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.07 | 37,229 |
| New England States | 0 | - | 4.53 | 52,363 |
| US States by Land Area | 0 | - | 4.59 | 48,207 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,011 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,008 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,681 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,717 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,161 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,279 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,145 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.80 | 56,118 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,245 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 67,700 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,302 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,686 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,514 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,105 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 47,757 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,102 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 42,092 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,823 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,007 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,254 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,417 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,593 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,025 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,812 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,965 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,919 |
| The Only European Country ... | 0 | - | 4.94 | 176,129 |
| Austria... or Australia? | 0 | - | 4.79 | 97,468 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,721 |
| Counties of England | 0 | - | 4.96 | 683,624 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,179 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,653 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,903 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,099 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,878 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,034 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,767 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,967 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,919 |
