| US States Quiz | 0 | - | 5.00 | 15,677,057 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 353,709 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 108,597 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 103,479 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 105,746 |
| U.S. States with Short Names | 0 | - | 4.89 | 138,998 |
| U.S. States that Start with M | 0 | - | 4.92 | 176,771 |
| U.S. States By Population | 0 | - | 4.90 | 136,089 |
| U.S. States that Start with N | 0 | - | 4.94 | 163,075 |
| U.S. States with Longest Names | 0 | - | 4.87 | 39,898 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 82,721 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 60,986 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,273 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 181,808 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 159,078 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 95,410 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 77,767 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 86,318 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 41,160 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 122,874 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 91,029 |
| US States with an Empty Map | 0 | - | 5.00 | 586,267 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 83,800 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,037 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.49 | 42,235 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 81,910 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,208 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,137 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 199,966 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 195,357 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 106,621 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 116,981 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 77,013 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 59,065 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,604 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,573 |
| Pixelated United States Map | 0 | - | 4.91 | 87,342 |
| New England States | 0 | - | 4.52 | 53,127 |
| US States by Land Area | 0 | - | 4.62 | 50,418 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 37,155 |
| Add a Letter - Make a U.S. State | 0 | - | 4.73 | 79,472 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 78,233 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 53,340 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 38,961 |
| U.S. States by Borders | 0 | - | 4.59 | 33,639 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,591 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 84,985 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 152,592 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 172,772 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 118,858 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,320 |
| Top 10 Newest U.S. States | 0 | - | 4.83 | 82,413 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.82 | 61,583 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 124,123 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.47 | 66,764 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 97,816 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 66,641 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,178 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,304 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 301,622 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 36,784 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,225 |
| Longest U.S. State Borders | 0 | - | 4.62 | 36,771 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 109,525 |
| U.S. States with the Most Borders | 0 | - | 4.55 | 61,686 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 34,268 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 62,740 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,194 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.75 | 53,989 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 66,920 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 32,454 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 31,813 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 50,833 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 133,865 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 82,955 |
| Mexico States Map Quiz | 0 | - | 4.81 | 96,878 |
| States of Mexico | 0 | - | 4.93 | 155,438 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 76,961 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,534 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,528 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.82 | 52,433 |
| United States Map Quiz | 0 | - | 4.98 | 4,032,173 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 72,805 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,041 |
| Flyover States | 0 | - | 4.51 | 28,710 |
| U.S. States With Double Letters | 0 | - | 4.65 | 22,451 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 73,712 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 110,218 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,036 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.56 | 34,870 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,809 |
| Regions of US States | 0 | - | 4.16 | 32,088 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,040 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,143 |
| Which U.S. State - Multiple Choice | 0 | - | 4.47 | 19,655 |
| Movies by State Quiz | 0 | - | 4.24 | 39,950 |
| Countries that Beat Canada | 0 | - | 4.90 | 82,857 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,128 |
| U.S Cities by African-American Population | 0 | - | 4.41 | 92,228 |
| 1M Cities by Proximity - United States | 0 | - | 4.53 | 144,177 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 38,411 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,687 |
| United States Country Quiz | 0 | - | 4.45 | 94,967 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,266 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,594 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 74,839 |
| U.S. National Parks Quiz | 0 | - | 4.80 | 50,116 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,903 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 478,123 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,549 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,578 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 72,990 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 46,290 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 62,412 |
| Top 10 Least Religious U.S. States | 0 | - | 4.50 | 32,644 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.78 | 60,939 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 40,467 |
| U.S. States With No City Over 100,000 | 0 | - | 4.61 | 16,175 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 134,255 |
| Random U.S. City to State | 0 | - | 4.44 | 69,721 |
| South America Capitals Quiz | 0 | - | 5.00 | 451,770 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 43,035 |
| U.S. Geography by Letter - B | 0 | - | 4.49 | 56,370 |
| U.S. Geography by Letter - S | 0 | - | 4.53 | 47,572 |
| 10 Closest Megacities to New York City | 0 | - | 4.53 | 66,018 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 114,388 |
| U.S. State Symbols | 0 | - | 4.38 | 23,958 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,624 |
| U.S. States Without Individual Income Tax | 0 | - | 4.27 | 28,018 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,116 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 14,311 |
| U.S. Panhandles | 0 | - | 4.26 | 26,336 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,332 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,191 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,362 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 20,434 |
| Hated U.S. States | 0 | - | 4.12 | 13,649 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 96,871 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,061 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 72,781 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 79,985 |
| Top 10 Least Obese U.S. States | 0 | - | 4.74 | 71,570 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.47 | 72,676 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 50,473 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 76,984 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 56,785 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,776 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 38,889 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.16 | 124,783 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,289 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,603 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,675 |
| Boroughs of New York City | 0 | - | 4.45 | 80,641 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,434 |
| The Only American Country ... | 0 | - | 4.93 | 114,878 |
| Belize Country Quiz | 0 | - | 4.87 | 19,797 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.93 | 54,574 |
| U.S. State Flags | 0 | - | 4.88 | 150,632 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 69,676 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,602 |
| U.S. States that Border Canada | 0 | - | 4.91 | 171,336 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.40 | 28,987 |
| Top Producing U.S. States | 0 | - | 4.24 | 30,079 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,987 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,057 |
| Landmarks of U.S. States #1 | 0 | - | 4.30 | 22,473 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,433 |
| States of Origin - American Popular Music | 0 | - | 4.20 | 10,239 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.64 | 43,785 |
| Musical Acts by State | 0 | - | 4.03 | 19,357 |
| Important Places in U.S. History | 0 | - | 4.25 | 36,930 |
| Cities on Route 66 on a Map | 0 | - | 4.49 | 31,083 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 241,603 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 17,916 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,476 |
| Brazil States Map Quiz | 0 | - | 4.84 | 43,631 |
| Europe Map Quiz | 0 | - | 5.00 | 4,511,698 |
| Largest United States Airlines | 0 | - | 4.38 | 53,356 |
| States of Brazil | 0 | - | 4.97 | 76,899 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,866 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 37,845 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 82,197 |
| Fifty US States in One Minute | 0 | - | 4.53 | 3,401,773 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,333 |
| Category Elimination - U.S. States #1 | 0 | - | 4.91 | 206,200 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 36,579 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 28,176 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 25,692 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,086 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 151,162 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,812 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,355 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 34,000 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,811 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 57,071 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.83 | 52,226 |
| U.S. Cities Chain | 0 | - | 4.20 | 32,312 |
| ALL California Cities | 0 | - | 4.35 | 41,114 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 11,985 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 122,555 |
