| Mexico States Map Quiz | 0 | - | 4.84 | 103,795 |
| Pixelated United States Map | 0 | - | 4.89 | 93,482 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,160 |
| Flags of North and South America | 0 | - | 4.99 | 367,243 |
| Belize Country Quiz | 0 | - | 4.85 | 20,807 |
| US States Quiz | 0 | - | 5.00 | 16,701,214 |
| States of Mexico | 0 | - | 4.95 | 173,348 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,385 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,861 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,346 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,976 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,159 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,921 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,526 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,624 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,276 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,317 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,011 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,468 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,856 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,257 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,736 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,364 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,421 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,909 |
| U.S. States By Population | 0 | - | 4.92 | 152,371 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,405 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,886 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,360 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,067 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,283 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,213 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,645 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,807 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,420 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,582 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,587 |
| US States with an Empty Map | 0 | - | 5.00 | 618,846 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,095 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,936 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,948 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,979 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,906 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,020 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,711 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,869 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,659 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,408 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,234 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,683 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,583 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,231 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,264 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,796 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,355 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,937 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,069 |
| Flags of Oceania | 0 | - | 5.00 | 255,204 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,965 |
| States of Brazil | 0 | - | 4.98 | 86,390 |
| Central American Countries | 0 | - | 4.98 | 155,055 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,207 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,683 |
| Panama Country Quiz | 0 | - | 4.61 | 25,606 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,369 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,897 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,263 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,477 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,079 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,359 |
| United States Country Quiz | 0 | - | 4.43 | 100,584 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,603 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,386 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,755 |
| Washington State by Picture | 0 | - | 4.26 | 7,684 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,400 |
| Canada Country Quiz | 0 | - | 4.54 | 131,716 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,610 |
| Canada A-Z | 0 | - | 4.73 | 32,649 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,526 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,862 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,813 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,654 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,411 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,537 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,078 |
| Which South American Country? | 0 | - | 4.69 | 51,723 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,088 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,089 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,365 |
| Chile Country Quiz | 0 | - | 4.75 | 39,724 |
| Peru Country Quiz | 0 | - | 4.54 | 48,303 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,275 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,450 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,211 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,275 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,733 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,788 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,868 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,504 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,737 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,073 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,462 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,807 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,592 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,197 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,528 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,664 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,412 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,883 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,277 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,030 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,321 |
| U.S. States by Borders | 0 | - | 4.63 | 35,071 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,242 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,139 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,582 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,385 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,994 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,769 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,391 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,665 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,034 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,228 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,665 |
| O Canada Lyrics | 0 | - | 4.47 | 50,782 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,042 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,118 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,509 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,422 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,067 |
| Random African Flag to Country | 0 | - | 4.87 | 74,217 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,346 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,322 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,318 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 49,007 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,392 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,606 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,363 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,608 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,341 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,592 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,887 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,606 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,391 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,081 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,029 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,667 |
| Top U.S. Universities | 0 | - | 4.15 | 144,083 |
| Largest United States Airlines | 0 | - | 4.39 | 54,836 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,955 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,792 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,087 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,778 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,348 |
| U.S. States by Governor | 0 | - | 4.43 | 17,984 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,573 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,168 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,547 |
| American Founding Fathers | 0 | - | 4.41 | 23,074 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,135 |
| California Groups of Things | 0 | - | 4.25 | 45,268 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,907 |
| Movies Set in Miami | 0 | - | 4.32 | 16,673 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,204 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,738 |
| New York Groups of Things | 0 | - | 4.38 | 59,942 |
| People on Money - United States | 0 | - | 4.31 | 63,206 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,242 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,731 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,611 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,463 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,065 |
| Flyover States | 0 | - | 4.52 | 29,398 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,916 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,193 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,980 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,418 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,272 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,480 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,994 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,600 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,430 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,561 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,088 |
