| US States Quiz | 0 | - | 5.00 | 14,719,968 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 339,889 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,449 |
| U.S. States with the Letter Y | 0 | - | 4.87 | 96,031 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,097 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,521 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,304 |
| U.S. States By Population | 0 | - | 4.90 | 129,901 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,371 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,984 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,715 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,282 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,987 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,609 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,101 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,062 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 115,968 |
| US States with an Empty Map | 0 | - | 5.00 | 553,385 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,733 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 149,823 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 184,471 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,856 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,188 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,717 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,042 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,357 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,119 |
| New England States | 0 | - | 4.54 | 52,426 |
| US States by Land Area | 0 | - | 4.59 | 48,435 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,148 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,443 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,012 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 37,244 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,956 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,540 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,437 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,684 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,576 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,471 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,624 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,175 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,827 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 53,991 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,892 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,161 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,113 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,493 |
| Pixelated United States Map | 0 | - | 4.90 | 82,097 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,487 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,278 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,709 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,482 |
| Flyover States | 0 | - | 4.51 | 27,974 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,266 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,730 |
| U.S. States by Borders | 0 | - | 4.58 | 26,277 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 64,945 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,142 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,380 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,318 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,503 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 273,486 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,990 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 458,708 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 125,584 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,985 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,932 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,758 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,469 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,964 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,822 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,577 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,073 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,570 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,455 |
| States of Mexico | 0 | - | 4.95 | 140,927 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,682 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 33,969 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,101 |
| Name a Valid U.S. State #3 | 0 | - | 4.76 | 43,961 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,719 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,334 |
| United States Map Quiz | 0 | - | 4.98 | 3,899,912 |
| Cartoon Versions of U.S. States | 0 | - | 4.84 | 51,891 |
| U.S. State Flags | 0 | - | 4.88 | 136,203 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,760 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,414 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,334 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,478 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,177 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,101 |
| US States and State Capitals Quiz | 0 | - | 5.00 | 119,406 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,307 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,629 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,047 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 76,660 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,278 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,748 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,241,181 |
| U.S. State Symbols | 0 | - | 4.38 | 23,641 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,367 |
| U.S. States Without Individual Income Tax | 0 | - | 4.32 | 27,480 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,574 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 12,688 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 13,742 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 194,691 |
| U.S. Panhandles | 0 | - | 4.25 | 25,544 |
| Top 10 Happiest U.S. States | 0 | - | 4.37 | 18,840 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 19,538 |
| Hated U.S. States | 0 | - | 4.09 | 13,161 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,259 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,805 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,994 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 68,039 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,526,621 |
| Random U.S. States on a Map | 0 | - | 4.95 | 489,617 |
| Regions of US States | 0 | - | 4.19 | 31,451 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,402 |
| Top Producing U.S. States | 0 | - | 4.23 | 28,705 |
| Landmarks of U.S. States #2 | 0 | - | 4.19 | 17,783 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,039 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,090 |
| States of Origin - American Popular Music | 0 | - | 4.17 | 9,892 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 136,922 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,502 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,897 |
| United States Country Quiz | 0 | - | 4.45 | 88,996 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,302 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,411 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,672 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 50,962 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,455 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 122,467 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,760 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,871 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,509 |
| Random U.S. City to State | 0 | - | 4.44 | 65,640 |
| South America Capitals Quiz | 0 | - | 5.00 | 419,089 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,548 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,386,828 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,504 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,243,837 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 120,329 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,170 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,216 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,051 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,097 |
| Boroughs of New York City | 0 | - | 4.44 | 77,026 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,748 |
| The Only American Country ... | 0 | - | 4.94 | 109,594 |
| Belize Country Quiz | 0 | - | 4.88 | 18,725 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,433 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,194 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,046 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,152 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,064 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 507,667 |
| Movies by State Quiz | 0 | - | 4.23 | 39,357 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,806 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,424 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,493 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,586 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,310 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,481 |
| Europe Map Quiz | 0 | - | 5.00 | 4,288,813 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 218,438 |
| Largest United States Airlines | 0 | - | 4.38 | 52,006 |
| States of Brazil | 0 | - | 4.96 | 68,438 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 39,782 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,604 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,419 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,958 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,311 |
| ALL California Cities | 0 | - | 4.34 | 39,085 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 115,806 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,311 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 68,170 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 101,496 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,973 |
| Canada Country Quiz | 0 | - | 4.54 | 121,273 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,352 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,050 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.76 | 36,850 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,690 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,340 |
| U.S. States by Clue #1 | 0 | - | 4.47 | 33,053 |
| U.S. States with More Cows than People | 0 | - | 4.58 | 39,280 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 62,112 |
| Events by U.S. State #2 | 0 | - | 4.25 | 17,823 |
| U.S. States with Spanish Names | 0 | - | 4.48 | 67,539 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,074 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,549 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,438 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,363 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,429 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,321 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,731 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,887 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,187 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,366 |
