| US States Quiz | 0 | - | 5.00 | 17,002,231 |
| US States with an Empty Map | 0 | - | 5.00 | 628,899 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,724 |
| Draw All US State Borders | 0 | - | 4.99 | 141,055 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,207 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,331 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,424 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,610 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,892 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,099 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,307 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,340 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,390 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,410 |
| U.S. States By Population | 0 | - | 4.92 | 154,176 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,259 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,914 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,885 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,550 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,124 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,682 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,235 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,175 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,421 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,736 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,343 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,497 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,057 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,119 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,142 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,901 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,555 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,229 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,068 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,102 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,446 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,618 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,510 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,598 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,952 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,150 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,110 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,661 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,090 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,153 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,223 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,591 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,472 |
| Pixelated United States Map | 0 | - | 4.88 | 94,835 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,568 |
| New England States | 0 | - | 4.51 | 59,901 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,068 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,123 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,168 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,842 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,023 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,293 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,154 |
| U.S. States by Borders | 0 | - | 4.62 | 35,488 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,409 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,941 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,311 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,688 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,350 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,690 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,767 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,053 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,461 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,264 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,718 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,409 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,320 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,338 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,343 |
| Regions of U.S. States | 0 | - | 4.37 | 44,207 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,634 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,425 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,937 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,374 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,227 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,498 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,706 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,682 |
| U.S. State Flags | 0 | - | 4.89 | 173,075 |
| States of Mexico | 0 | - | 4.96 | 178,350 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,760 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,693,630 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,398,844 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,068 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,573 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,967 |
| Flyover States | 0 | - | 4.53 | 29,602 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,276 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,415 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,467 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,191 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,332 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,232 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,133 |
| US States and State Capitals | 0 | - | 4.99 | 165,495 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,630 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,521 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,934 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,335 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,767 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,516 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,656 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,619 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,175 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,889 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,802 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,536 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,234 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,373 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,122 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,632 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,211 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,988 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,838 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,612 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,857 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,229 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,324 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,249 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,680 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,025 |
| United States Country Quiz | 0 | - | 4.43 | 102,232 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,283 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,897 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,544 |
| Flags of North and South America | 0 | - | 4.99 | 377,266 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,217 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,076 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,339 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,269 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,480 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,055 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,420 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,664 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,876 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,738 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,855 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,713 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,282 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,015 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,454 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,044 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,829 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,441 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,022 |
| Random U.S. City to State | 0 | - | 4.45 | 76,936 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,454 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,131 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,114 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,568 |
| Mexico True or False? | 0 | - | 4.89 | 49,005 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,058 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,888 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,539 |
| U.S. State Symbols | 0 | - | 4.38 | 24,345 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,883 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,558 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,578 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,656 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,637 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,987 |
| U.S. Panhandles | 0 | - | 4.21 | 27,246 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,827 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,709 |
| Hated U.S. States | 0 | - | 4.16 | 14,278 |
| U.S. States by Haiku | 0 | - | 4.24 | 17,900 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,454 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,812 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,259 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,265 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| The Only American Country ... | 0 | - | 4.92 | 122,236 |
| Belize Country Quiz | 0 | - | 4.85 | 21,098 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,305 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,476 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,973 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,906 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,084 |
| Movies by State | 0 | - | 4.27 | 40,610 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,861 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,674 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,312 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,118 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| Boroughs of New York City | 0 | - | 4.47 | 85,344 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,866 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,942 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,638 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,308 |
| Largest United States Airlines | 0 | - | 4.39 | 55,167 |
| States of Brazil | 0 | - | 4.97 | 89,775 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,906 |
