| US States Quiz | 0 | - | 5.00 | 16,967,381 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,329 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,847 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,076 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,080 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,853 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,097 |
| U.S. States By Population | 0 | - | 4.92 | 154,003 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,038 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,780 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,749 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,461 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,982 |
| Draw All US State Borders | 0 | - | 4.99 | 140,065 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,832 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,139 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,950 |
| US States with an Empty Map | 0 | - | 5.00 | 627,667 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,439 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,497 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,070 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,251 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,101 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,686 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,511 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,256 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,317 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,944 |
| New England States | 0 | - | 4.51 | 59,879 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,006 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,095 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,049 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,234 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,093 |
| U.S. States by Borders | 0 | - | 4.62 | 35,439 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,206 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,648 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,274 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,688 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,361 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,197 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,913 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,363 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,902 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,062 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,021 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,592 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,305 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,086 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,703 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,327 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,283 |
| Pixelated United States Map | 0 | - | 4.88 | 94,680 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,730 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,011 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,556 |
| Flyover States | 0 | - | 4.52 | 29,577 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,228 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,354 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,294 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,800 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,264 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,015 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,381 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,342 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,260 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,191 |
| Regions of U.S. States | 0 | - | 4.37 | 44,115 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,977 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,620 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,406 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,921 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,350 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,198 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,714 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,329 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,154 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,499 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,471 |
| States of Mexico | 0 | - | 4.96 | 177,728 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,550 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,734 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,796 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,317 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,235 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,188 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,461 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,092 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,293 |
| U.S. State Flags | 0 | - | 4.89 | 172,285 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,286 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,437 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,168 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,407 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,259 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,111 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,760 |
| US States and State Capitals | 0 | - | 4.99 | 164,747 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,551 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,911 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,772 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,139 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,108 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,100 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,167 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,550 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,949 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,558 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,824 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,707 |
| U.S. State Symbols | 0 | - | 4.38 | 24,337 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,880 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,550 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,964 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,615 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,967 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,096 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,328 |
| U.S. Panhandles | 0 | - | 4.21 | 27,226 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,812 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,700 |
| Hated U.S. States | 0 | - | 4.16 | 14,261 |
| U.S. States by Haiku | 0 | - | 4.24 | 16,668 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,534 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,100 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,580 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,771 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,572 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,914 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,697 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,841 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,353 |
| Flags of North and South America | 0 | - | 4.99 | 376,019 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,232 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,473 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,046 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,839 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,702 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,535 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,646 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,145 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,257 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,652 |
| United States Country Quiz | 0 | - | 4.43 | 102,038 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,158 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,031 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,195 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,550 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,955 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,896 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,360 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,929 |
| Random U.S. City to State | 0 | - | 4.45 | 76,771 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,402 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,036 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,164 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,296 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,487 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,830 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,268 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,502 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,091 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,698 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,216 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,240 |
| Boroughs of New York City | 0 | - | 4.47 | 84,881 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,534 |
| The Only American Country ... | 0 | - | 4.92 | 122,080 |
| Belize Country Quiz | 0 | - | 4.85 | 21,062 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,288 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,823 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,786 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 633,965 |
| Movies by State | 0 | - | 4.27 | 40,593 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,501 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,709 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,664 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,908 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,467 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,712 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,073 |
| Largest United States Airlines | 0 | - | 4.39 | 55,129 |
| States of Brazil | 0 | - | 4.97 | 89,308 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,593 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,895 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,856 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,145 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,317 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,919 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,781 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,684 |
| ALL California Cities | 0 | - | 4.37 | 43,197 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,234 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,195 |
