| US States Quiz | 0 | - | 5.00 | 17,028,416 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,943 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,224 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,468 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,484 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,562 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,611 |
| U.S. States By Population | 0 | - | 4.92 | 154,276 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,407 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,003 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,001 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,613 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,233 |
| Draw All US State Borders | 0 | - | 4.99 | 141,650 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,442 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,478 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,653 |
| US States with an Empty Map | 0 | - | 5.00 | 629,747 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,857 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,762 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,229 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,929 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,476 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,014 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,861 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,384 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,601 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,128 |
| New England States | 0 | - | 4.51 | 59,915 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,120 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,141 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,246 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,346 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,195 |
| U.S. States by Borders | 0 | - | 4.61 | 35,518 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,349 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,729 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,411 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,345 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,505 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,595 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,147 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,613 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,407 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,989 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,207 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,184 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,696 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,566 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,199 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,784 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,636 |
| Pixelated United States Map | 0 | - | 4.89 | 94,989 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,723 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,791 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,246 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,654 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,437 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,962 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,470 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,114 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,126 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,581 |
| Flyover States | 0 | - | 4.53 | 29,619 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,313 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,466 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,380 |
| Regions of U.S. States | 0 | - | 4.37 | 44,270 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,643 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,433 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,947 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,389 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,243 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,422 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,307 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,939 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,132 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,499 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,355 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,081 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,729 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,519 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,296 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,829 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,808 |
| U.S. State Flags | 0 | - | 4.88 | 173,586 |
| States of Mexico | 0 | - | 4.96 | 178,850 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,135 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,483 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,211 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,261 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,488 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,165 |
| US States and State Capitals | 0 | - | 4.99 | 166,097 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,671 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,698 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,020 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,884 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,486 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,921 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,002 |
| U.S. State Symbols | 0 | - | 4.38 | 24,355 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,886 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,568 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,190 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,658 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 15,002 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,817 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,892 |
| U.S. Panhandles | 0 | - | 4.21 | 27,267 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,835 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,711 |
| Hated U.S. States | 0 | - | 4.16 | 14,291 |
| U.S. States by Haiku | 0 | - | 4.24 | 17,957 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,198 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,333 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,790 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,886 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,735 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,077 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,910 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,677 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,202 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,916 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,824 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,394 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,582 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,388 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,140 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,763 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,262 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,998 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,587 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,854 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,674 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,012 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,297 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,359 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,154 |
| United States Country Quiz | 0 | - | 4.43 | 102,374 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,297 |
| Flags of North and South America | 0 | - | 4.99 | 378,361 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,269 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,111 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,392 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,293 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,490 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,068 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,744 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,865 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,984 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,719 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,370 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,499 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,118 |
| Random U.S. City to State | 0 | - | 4.45 | 77,055 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,491 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,222 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,778 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,791 |
| Mexico True or False? | 0 | - | 4.89 | 49,072 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,310 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,165 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,617 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,568 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,284 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,057 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,936 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,335 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,281 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,802 |
| The Only American Country ... | 0 | - | 4.92 | 122,379 |
| Belize Country Quiz | 0 | - | 4.85 | 21,123 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,324 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,092 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,976 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 637,590 |
| Movies by State | 0 | - | 4.27 | 40,621 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,946 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,209 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,452 |
| Boroughs of New York City | 0 | - | 4.47 | 85,444 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,979 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,969 |
| Brazil States Map Quiz | 0 | - | 4.87 | 48,757 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,480 |
| Largest United States Airlines | 0 | - | 4.39 | 55,190 |
| States of Brazil | 0 | - | 4.98 | 90,107 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,080 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,268 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,223 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,035 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,649 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,493 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,066 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,811 |
| ALL California Cities | 0 | - | 4.37 | 43,287 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,524 |
