| US States Quiz | 0 | - | 5.00 | 16,718,384 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,439 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,525 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,868 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,733 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,214 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,203 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,432 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,582 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,942 |
| Pixelated United States Map | 0 | - | 4.89 | 93,573 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,845 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,466 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,508 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,791 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,051 |
| U.S. States By Population | 0 | - | 4.92 | 152,458 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,512 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,926 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,623 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,799 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,959 |
| US States with an Empty Map | 0 | - | 5.00 | 619,436 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,536 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,767 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,087 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,151 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,605 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,908 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,513 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,695 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,154 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,837 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,984 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,843 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,687 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,058 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,489 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,706 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,913 |
| States of Mexico | 0 | - | 4.95 | 173,606 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,916 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,969 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,772 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,637 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,172 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,590 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,389 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,209 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,444 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,034 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,805 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,627 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,843 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,486 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,919 |
| United States Country Quiz | 0 | - | 4.43 | 100,702 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,087 |
| Flags of North and South America | 0 | - | 4.99 | 368,008 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,681 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,632 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,644 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,401 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,506 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,209 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,719 |
| Random U.S. City to State | 0 | - | 4.45 | 75,433 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,258 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,413 |
| The Only American Country ... | 0 | - | 4.92 | 120,841 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,992 |
| Belize Country Quiz | 0 | - | 4.85 | 20,824 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,936 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,012 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,752 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,258 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,519 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,895 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,373 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,680 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,685 |
| U.S. States by Borders | 0 | - | 4.63 | 35,101 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,263 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,167 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,014 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,821 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,551 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,923 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,664 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,536 |
| Boroughs of New York City | 0 | - | 4.47 | 84,155 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,271 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,610 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,428 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,085 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,106 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,935 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,462 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,300 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,047 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,781 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,403 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,676 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,686 |
| Geography of California | 0 | - | 4.25 | 10,509 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,891 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,918 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,939 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,342 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,155 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,384 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,448 |
| Largest United States Airlines | 0 | - | 4.39 | 54,855 |
| States of Brazil | 0 | - | 4.98 | 86,541 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,068 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,424 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,753 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 40,564 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,537 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,734 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,297 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,492 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,285 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,470 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,115 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,447 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,583 |
| State Quiz - Washington | 0 | - | 4.45 | 36,195 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,685 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,376 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,530 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,800 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,889 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,616 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,592 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,184 |
| ALL California Cities | 0 | - | 4.37 | 42,839 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,391 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,564 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,101 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,150 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,374 |
| Canada Country Quiz | 0 | - | 4.55 | 131,812 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,846 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,981 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,623 |
| Asia Map Quiz | 0 | - | 4.99 | 907,827 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,687 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,375 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,958 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,516 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,520 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,497 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,495 |
| U.S. Geography by Letter - T | 0 | - | 4.28 | 49,167 |
| U.S. Geography by Letter - P | 0 | - | 4.35 | 47,573 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,758 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,561 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,743 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,499 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,634 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,469 |
| Flyover States | 0 | - | 4.52 | 29,410 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,949 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,946 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,853 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,027 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,970 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,131 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,551 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,102 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,709 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,887 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,780 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,631 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,845 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,044 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,130 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,799 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,357 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,862 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,132 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,128 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,313 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,027 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,325 |
| Regions of U.S. States | 0 | - | 4.37 | 43,513 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,500 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,593 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,344 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,772 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,212 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,986 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,206 |
| Movies by State | 0 | - | 4.27 | 40,453 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,343 |
| American TV Show Settings | 0 | - | 4.35 | 30,592 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,287 |
