| US States Quiz | 0 | - | 5.00 | 17,023,688 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,895 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,190 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,465 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,522 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,572 |
| U.S. States By Population | 0 | - | 4.92 | 154,263 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,374 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,983 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,982 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,598 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,209 |
| Draw All US State Borders | 0 | - | 4.99 | 141,549 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,398 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,460 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,607 |
| US States with an Empty Map | 0 | - | 5.00 | 629,622 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,827 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,673 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,219 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,873 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,470 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,995 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,841 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,582 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,110 |
| New England States | 0 | - | 4.51 | 59,913 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,115 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,138 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,226 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,337 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,187 |
| U.S. States by Borders | 0 | - | 4.61 | 35,515 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,281 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,720 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,400 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,302 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,450 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,567 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,060 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,600 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,986 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,199 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,171 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,685 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,516 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,192 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,253 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,754 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,600 |
| Pixelated United States Map | 0 | - | 4.89 | 94,938 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,716 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,786 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,115 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,580 |
| Flyover States | 0 | - | 4.53 | 29,616 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,306 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,457 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,370 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,210 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,617 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,402 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,919 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,459 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,960 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,373 |
| Regions of U.S. States | 0 | - | 4.37 | 44,261 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,272 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,641 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,432 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,944 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,386 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,241 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,021 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,692 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,269 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,801 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,794 |
| States of Mexico | 0 | - | 4.96 | 178,772 |
| 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 | 54,921 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,118 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,480 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,348 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,248 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,513 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,159 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,621 |
| U.S. State Flags | 0 | - | 4.89 | 173,481 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,062 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,482 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,209 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,484 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,668 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,199 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,915 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,823 |
| US States and State Capitals | 0 | - | 4.99 | 166,022 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,668 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,662 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,868 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,562 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,387 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,138 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,740 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,252 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,890 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,997 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,584 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,852 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,483 |
| U.S. State Symbols | 0 | - | 4.38 | 24,353 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,885 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,567 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,174 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,653 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 15,001 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,756 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,832 |
| U.S. Panhandles | 0 | - | 4.21 | 27,265 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,833 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,711 |
| Hated U.S. States | 0 | - | 4.16 | 14,289 |
| U.S. States by Haiku | 0 | - | 4.24 | 17,951 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,175 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,321 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,772 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,878 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,720 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,067 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,565 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,131 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,256 |
| Flags of North and South America | 0 | - | 4.99 | 378,180 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,288 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,490 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,068 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,860 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,715 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,658 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,991 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,289 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,348 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,699 |
| United States Country Quiz | 0 | - | 4.43 | 102,348 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,295 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,258 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,102 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,375 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,728 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,983 |
| Image to U.S State - Multiple Choice | 0 | - | 4.46 | 26,361 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,050 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,492 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,099 |
| Random U.S. City to State | 0 | - | 4.45 | 77,029 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,478 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,212 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,666 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,745 |
| Mexico True or False? | 0 | - | 4.89 | 49,060 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,695,857 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,150 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,572 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,561 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,047 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,927 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,319 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,280 |
| Boroughs of New York City | 0 | - | 4.47 | 85,419 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,779 |
| The Only American Country ... | 0 | - | 4.92 | 122,355 |
| Belize Country Quiz | 0 | - | 4.85 | 21,118 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,319 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,071 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,965 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 637,310 |
| Movies by State | 0 | - | 4.27 | 40,620 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,931 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 247,090 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,449 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,952 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,962 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,730 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,533 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,451 |
| Largest United States Airlines | 0 | - | 4.39 | 55,184 |
| States of Brazil | 0 | - | 4.98 | 90,050 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,035 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,240 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,193 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,996 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,623 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,461 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,050 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,801 |
| ALL California Cities | 0 | - | 4.37 | 43,284 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,520 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,602 |
