| US States Quiz | 0 | - | 5.00 | 14,925,817 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 342,473 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 101,551 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,401 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,436 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,536 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,124 |
| U.S. States By Population | 0 | - | 4.90 | 131,160 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,650 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,615 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,650 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,818 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,795 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,937 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,530 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,029 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,055 |
| US States with an Empty Map | 0 | - | 5.00 | 560,488 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,348 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,325 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,813 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,202 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,177 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,560 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,745 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,538 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 74,029 |
| New England States | 0 | - | 4.52 | 52,536 |
| US States by Land Area | 0 | - | 4.54 | 48,828 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,373 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,099 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,498 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,576 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 153,330 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,260 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,056 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,342 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,008 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,705 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,825 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,523 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,740 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,434 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,279 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,135 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,479 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,731 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,841 |
| Pixelated United States Map | 0 | - | 4.90 | 83,143 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,785 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,557 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,197 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,587 |
| Flyover States | 0 | - | 4.51 | 28,128 |
| U.S. States With Double Letters | 0 | - | 4.63 | 20,690 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,209 |
| U.S. States by Borders | 0 | - | 4.56 | 26,547 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,299 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 92,505 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,313 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,726 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,396 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 279,643 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,313 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 462,702 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,301 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,197 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,876 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,823 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,611 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,088 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,347 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,866 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,368 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,270 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,642 |
| States of Mexico | 0 | - | 4.94 | 143,972 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,838 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,316 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,107 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 44,531 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,850 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,960 |
| United States Map Quiz | 0 | - | 4.98 | 3,925,445 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 52,872 |
| U.S. State Flags | 0 | - | 4.88 | 139,322 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,604 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,593 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,508 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,793 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,246 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,387 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 123,090 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,650 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,404 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,191 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,583 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 77,943 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,477 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,869 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,275,666 |
| U.S. State Symbols | 0 | - | 4.38 | 23,693 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,415 |
| U.S. States Without Individual Income Tax | 0 | - | 4.33 | 27,605 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,536 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 12,764 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 13,855 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,880 |
| U.S. Panhandles | 0 | - | 4.25 | 25,706 |
| Top 10 Happiest U.S. States | 0 | - | 4.37 | 19,099 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 19,743 |
| Hated U.S. States | 0 | - | 4.10 | 13,236 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,474 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,558 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,618 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,074 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,542,106 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,914 |
| Random U.S. States on a Map | 0 | - | 4.95 | 505,270 |
| Regions of US States | 0 | - | 4.19 | 31,570 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,533 |
| Top Producing U.S. States | 0 | - | 4.23 | 29,015 |
| Landmarks of U.S. States #2 | 0 | - | 4.19 | 17,821 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,113 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,154 |
| States of Origin - American Popular Music | 0 | - | 4.19 | 9,956 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,394 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,883 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,093 |
| United States Country Quiz | 0 | - | 4.44 | 90,364 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,535 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,973 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,441 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 51,426 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,510 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 123,078 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,878 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,411 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,213 |
| Random U.S. City to State | 0 | - | 4.44 | 66,458 |
| South America Capitals Quiz | 0 | - | 5.00 | 431,462 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,540 |
| US States by Borders in 30 Seconds | 0 | - | 4.75 | 2,423,399 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,550 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,257,560 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 121,632 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,451 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,357 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,157 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,276 |
| Boroughs of New York City | 0 | - | 4.45 | 77,751 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,776 |
| The Only American Country ... | 0 | - | 4.94 | 110,975 |
| Belize Country Quiz | 0 | - | 4.88 | 18,979 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,282 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 314,163 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,131 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,764 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,372 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,247 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 519,038 |
| Movies by State Quiz | 0 | - | 4.23 | 39,489 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,221 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,517 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,373 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,516 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,643 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,501 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,428 |
| Europe Map Quiz | 0 | - | 5.00 | 4,336,090 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 220,222 |
| Largest United States Airlines | 0 | - | 4.38 | 52,301 |
| States of Brazil | 0 | - | 4.97 | 70,301 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 41,371 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 53,377 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,303 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,521 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,152 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,421 |
| ALL California Cities | 0 | - | 4.36 | 39,529 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,277 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,798 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,230 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 102,189 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,606 |
| Canada Country Quiz | 0 | - | 4.54 | 122,407 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 110,126 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,177 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 36,962 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,989 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,638 |
| U.S. States by Clue #1 | 0 | - | 4.48 | 33,183 |
| U.S. States with More Cows than People | 0 | - | 4.58 | 39,361 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 62,545 |
| Events by U.S. State #2 | 0 | - | 4.27 | 17,886 |
| U.S. States with Spanish Names | 0 | - | 4.48 | 68,246 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,232 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,981 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,979 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,576 |
