| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,673 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,363 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,892 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,041 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 68,100 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,125 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,860 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 149,957 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,472 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,192 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,553 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,173 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,217 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,704 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,451 |
| U.S. States By Population | 0 | - | 4.90 | 129,978 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,515 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,040 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,355 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,095 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,923 |
| United States Map Quiz | 0 | - | 4.98 | 3,902,733 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,311 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,117 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,264 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,808 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,092 |
| US States Quiz | 0 | - | 5.00 | 14,741,606 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,623 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,323 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,440 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,658 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,865 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,516 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,259 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,623 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,291 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,441 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 64,978 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,669 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,816 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,703 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,870 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,716 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 33,942 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,295 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,765 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,394 |
| Countries of North America Quiz | 0 | - | 5.00 | 879,903 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 93,307 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,656 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 584,846 |
| Pixelated United States Map | 0 | - | 4.90 | 82,194 |
| New England States | 0 | - | 4.54 | 52,434 |
| US States by Land Area | 0 | - | 4.59 | 48,482 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,172 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,509 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,071 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,284 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,989 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,595 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,498 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,734 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,716 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.71 | 29,882 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 31,738 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,888 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 62,956 |
| US States with the Most Executions | 0 | - | 4.51 | 25,672 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,009 |
| Top 10 Least White U.S. States | 0 | - | 4.18 | 36,520 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,325 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,081 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,680 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 851,598 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,131 |
| Canada Provinces and Territories | 0 | - | 4.99 | 289,696 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,450 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,744 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,013 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,914 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,217 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,167 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,095 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,087 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,196 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,652 |
| Central American Countries | 0 | - | 4.98 | 139,470 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,433 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,672 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,594 |
| States of Mexico | 0 | - | 4.95 | 141,320 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,765 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,491 |
| Flyover States | 0 | - | 4.51 | 27,994 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,282 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,775 |
| U.S. States by Borders | 0 | - | 4.58 | 26,307 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,934 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,040 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,230 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,125 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,834 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,459 |
| Territories of the United States | 0 | - | 4.76 | 48,543 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,489 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,978 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 17,613 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.33 | 24,257 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 21,497 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,004 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,465 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.25 | 11,079 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.13 | 8,945 |
| South America Map Quiz | 0 | - | 5.00 | 1,420,311 |
| US States with an Empty Map | 0 | - | 5.00 | 554,085 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,081 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,537 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,926 |
| United States Country Quiz | 0 | - | 4.45 | 89,119 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,720 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,329 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,460 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,729 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 459,172 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,602 |
| South America Capitals Quiz | 0 | - | 5.00 | 419,593 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,620 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,019 |
| U.S. State Symbols | 0 | - | 4.38 | 23,646 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,369 |
| U.S. States Without Individual Income Tax | 0 | - | 4.32 | 27,489 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 184,792 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 12,697 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 13,751 |
| U.S. Panhandles | 0 | - | 4.25 | 25,555 |
| Top 10 Happiest U.S. States | 0 | - | 4.37 | 18,843 |
| Hated U.S. States | 0 | - | 4.09 | 13,170 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,262 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,726 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,297 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,494 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,108 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,817 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,948 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,911 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 120,402 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,205 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,239 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,060 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,139 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,855 |
| The Only American Country ... | 0 | - | 4.94 | 109,720 |
| Belize Country Quiz | 0 | - | 4.88 | 18,756 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 90,994 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 51,957 |
| U.S. State Flags | 0 | - | 4.88 | 136,442 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,877 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,855 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,225 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,725 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,830 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,063 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,881 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,417 |
| Top Producing U.S. States | 0 | - | 4.23 | 28,736 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,185 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,098 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,847 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,434 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,636 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,596 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,401 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,568 |
| Europe Map Quiz | 0 | - | 5.00 | 4,293,923 |
| Largest United States Airlines | 0 | - | 4.38 | 52,028 |
| States of Brazil | 0 | - | 4.97 | 68,642 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 39,962 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,173 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,223 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 94,218 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 76,822 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,245,300 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 194,946 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,357 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,271 |
| Canada Country Quiz | 0 | - | 4.54 | 121,392 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,425 |
| Random U.S. States on a Map | 0 | - | 4.95 | 491,454 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,726 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,360 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,506 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,316 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,665 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,655 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,484 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,449 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,903 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,345,265 |
| Oceania Map Quiz | 0 | - | 4.98 | 568,193 |
