| US States Quiz | 0 | - | 5.00 | 16,850,082 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,785 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,734 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,268 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,289 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,822 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,080 |
| U.S. States By Population | 0 | - | 4.92 | 153,448 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,299 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,373 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,206 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,145 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,529 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,442 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,126 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,861 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,080 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,096 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,662 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,391 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,868 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,475 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,013 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,629 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,657 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,428 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,546 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,857 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,565 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,497 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,849 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,856 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,461 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,477 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,617 |
| Pixelated United States Map | 0 | - | 4.87 | 94,149 |
| US States with an Empty Map | 0 | - | 5.00 | 623,799 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,695 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,732 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,251 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,727 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,132 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,912 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,625 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,885 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,983 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,059 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,593 |
| States of Mexico | 0 | - | 4.95 | 175,742 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,273 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,448 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,355 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,827 |
| New England States | 0 | - | 4.51 | 59,793 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,765 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,997 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,752 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,948 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,889 |
| U.S. States by Borders | 0 | - | 4.61 | 35,278 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,453 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,990 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,196 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,092 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,916 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,022 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,758 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,661 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,716 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,297 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,146 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,458 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,766 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,756 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,459 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,293 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,751 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,452 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,170 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,865 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,481 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,754 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,882 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,438 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,855 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,636 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,113 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,451 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,156 |
| Flags of North and South America | 0 | - | 4.99 | 372,457 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,296 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,477 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,890 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,446 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,570 |
| United States Country Quiz | 0 | - | 4.43 | 101,415 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,163 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,925 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,850 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,035 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,031 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,027 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,723 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,601 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,294 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,082 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,254 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,067 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,812 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,511 |
| Flyover States | 0 | - | 4.52 | 29,496 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,095 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,099 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,494 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,611 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,313 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,359 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,709 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,720 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,683 |
| Random U.S. City to State | 0 | - | 4.45 | 76,199 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,673 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,804 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,014 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,319 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,321 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,139 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,179 |
| Boroughs of New York City | 0 | - | 4.47 | 84,533 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,017 |
| Monarchies of Europe | 0 | - | 4.90 | 98,030 |
| Monarchies of Asia | 0 | - | 4.97 | 71,028 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,813 |
| The Only American Country ... | 0 | - | 4.92 | 121,485 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,059 |
| Belize Country Quiz | 0 | - | 4.85 | 20,951 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,386 |
| Regions of U.S. States | 0 | - | 4.37 | 43,826 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,410 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,435 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,100 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,563 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,377 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,840 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,277 |
| Movies by State | 0 | - | 4.27 | 40,532 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,910 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,888 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,859 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,220 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,404 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,367 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,392 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,021 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,884 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,919 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,961 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,625 |
| Largest United States Airlines | 0 | - | 4.39 | 55,009 |
| States of Brazil | 0 | - | 4.97 | 87,791 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,772 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,965 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,835 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,118 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,147 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,302 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,674 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,632 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,120 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,441 |
| ALL California Cities | 0 | - | 4.37 | 43,012 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,319 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,054 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,356 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,623 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,677 |
| Canada Country Quiz | 0 | - | 4.54 | 132,401 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,254 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,124 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,519 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,100 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,723 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,737 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,988 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,463 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,974 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,486 |
| U.S. State Symbols | 0 | - | 4.38 | 24,303 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,862 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,501 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,022 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,063 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,570 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,907 |
| U.S. Panhandles | 0 | - | 4.21 | 27,145 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,774 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,944 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,663 |
| Hated U.S. States | 0 | - | 4.16 | 14,208 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,984 |
