| US States Quiz | 0 | - | 5.00 | 16,962,886 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,267 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,634 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,338 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,164 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,810 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,339 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,574 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,278 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,246 |
| Pixelated United States Map | 0 | - | 4.88 | 94,655 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,807 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,030 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,045 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,691 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,053 |
| U.S. States By Population | 0 | - | 4.92 | 153,969 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,001 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,763 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,727 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,961 |
| US States with an Empty Map | 0 | - | 5.00 | 627,513 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,410 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,407 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,753 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,221 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,501 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,979 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,336 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,290 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,926 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,793 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,121 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,901 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,465 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,707 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,444 |
| States of Mexico | 0 | - | 4.96 | 177,657 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,195 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,690 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,311 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,093 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,657 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,143 |
| ALL California Cities | 0 | - | 4.37 | 43,190 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,877 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,490 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,539 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,883 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| Boroughs of New York City | 0 | - | 4.47 | 84,866 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,057 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,519 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,619 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,646 |
| United States Country Quiz | 0 | - | 4.43 | 102,014 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,261 |
| Flags of North and South America | 0 | - | 4.99 | 375,887 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,153 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,025 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,977 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,915 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,462 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,311 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,918 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Random U.S. City to State | 0 | - | 4.45 | 76,764 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,022 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,510 |
| The Only American Country ... | 0 | - | 4.92 | 122,057 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,253 |
| Belize Country Quiz | 0 | - | 4.85 | 21,059 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,806 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,771 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,821 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,259 |
| New England States | 0 | - | 4.51 | 59,872 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,997 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,093 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,041 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,224 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,087 |
| U.S. States by Borders | 0 | - | 4.61 | 35,432 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,641 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,265 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,404 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,285 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,253 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,108 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,758 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,821 |
| Hawaiian Islands | 0 | - | 4.83 | 42,863 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,898 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,049 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,123 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,461 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,347 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,106 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,006 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,584 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,300 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,944 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,556 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,819 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,075 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,701 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,184 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,622 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,808 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,440 |
| Largest United States Airlines | 0 | - | 4.39 | 55,125 |
| States of Brazil | 0 | - | 4.97 | 89,218 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,546 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,544 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,722 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,751 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,306 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,223 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,633 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,719 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,456 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,936 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,402 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,955 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,798 |
| State Quiz - California | 0 | - | 4.69 | 64,683 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,863 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,826 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,052 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,288 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,868 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,756 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,666 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,487 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,202 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,550 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 87,545 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,914 |
| Canada Country Quiz | 0 | - | 4.55 | 132,898 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,108 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,915 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,029 |
| Asia Map Quiz | 0 | - | 4.99 | 923,084 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,499 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,678 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,250 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,187 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,424 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,453 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,422 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,141 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,322 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,570 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,459 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,620 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,752 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,515 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,003 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,555 |
| Flyover States | 0 | - | 4.52 | 29,575 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,952 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,222 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,348 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,884 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,514 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,080 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,568 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,761 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,563 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,897 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,644 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,399 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,649 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,214 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,060 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,542 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,134 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,796 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,640 |
| Regions of U.S. States | 0 | - | 4.37 | 44,104 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,619 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,265 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,406 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,920 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,433 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,167 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,347 |
| Movies by State | 0 | - | 4.27 | 40,592 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,632 |
