| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,394 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,233 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,379 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,487 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,865 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,767 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 173,846 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,987 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,257 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,814 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,143 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 101,239 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,006 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 100,098 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,109 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,679 |
| U.S. States By Population | 0 | - | 4.90 | 130,864 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,348 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,442 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,724 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,628 |
| United States Map Quiz | 0 | - | 4.98 | 3,920,913 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,394 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,680 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,920 |
| US States Quiz | 0 | - | 5.00 | 14,884,128 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,659 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,155 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,034 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,540 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,639 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,407 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 61,966 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 75,842 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.49 | 64,899 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,603 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,100 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,466 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,651 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,236 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 73,906 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,707 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,468 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,183 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,359 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,118 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,442 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,841 |
| Countries of North America Quiz | 0 | - | 5.00 | 889,650 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,402 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,570 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 588,461 |
| Pixelated United States Map | 0 | - | 4.90 | 82,948 |
| New England States | 0 | - | 4.52 | 52,510 |
| US States by Land Area | 0 | - | 4.54 | 48,754 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,327 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 76,963 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 51,421 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,514 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,205 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 82,950 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,725 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,828 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,134 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,054 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 856,330 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,690 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,152 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,803 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,726 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,860 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.71 | 30,111 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 31,869 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,185 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,314 |
| US States with the Most Executions | 0 | - | 4.51 | 25,716 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,139 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,716 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,307 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,803 |
| Canada Provinces and Territories | 0 | - | 5.00 | 291,952 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 48,509 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,219 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,086 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,204 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,076 |
| Central American Countries | 0 | - | 4.98 | 140,533 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,968 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 117,485 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,361 |
| States of Mexico | 0 | - | 4.95 | 143,469 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,107 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,570 |
| Flyover States | 0 | - | 4.51 | 28,095 |
| U.S. States With Double Letters | 0 | - | 4.67 | 4,414 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,112 |
| U.S. States by Borders | 0 | - | 4.56 | 26,488 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,314 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,253 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,405 |
| Top 10 Most Religious U.S. States | 0 | - | 4.34 | 17,724 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.33 | 24,334 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.23 | 21,633 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,070 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.24 | 11,525 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.25 | 11,134 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.13 | 8,971 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,068 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,353 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 160,963 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,057 |
| Territories of the United States | 0 | - | 4.77 | 48,809 |
| US States with an Empty Map | 0 | - | 5.00 | 559,066 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,574 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,058 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,100 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,815 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,062 |
| United States Country Quiz | 0 | - | 4.44 | 90,060 |
| South America Map Quiz | 0 | - | 5.00 | 1,430,338 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,470 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,852 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,222 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 462,042 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 131,077 |
| South America Capitals Quiz | 0 | - | 5.00 | 428,747 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,405 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 108,358 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,658 |
| U.S. State Symbols | 0 | - | 4.38 | 23,682 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,403 |
| U.S. States Without Individual Income Tax | 0 | - | 4.33 | 27,573 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,432 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 12,754 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.30 | 13,830 |
| U.S. Panhandles | 0 | - | 4.25 | 25,660 |
| Top 10 Happiest U.S. States | 0 | - | 4.37 | 19,043 |
| U.S. States with a Unique Last Letter | 0 | - | 4.13 | 19,701 |
| Hated U.S. States | 0 | - | 4.10 | 13,219 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,075 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,642 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,947 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.29 | 33,614 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,309 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,928 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 39,812 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,034 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 121,377 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,420 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,336 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,135 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,252 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,582 |
| The Only American Country ... | 0 | - | 4.94 | 110,626 |
| Belize Country Quiz | 0 | - | 4.88 | 18,938 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,300 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,300 |
| U.S. State Flags | 0 | - | 4.88 | 138,683 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,110 |
| U.S. States that Border Canada | 0 | - | 4.90 | 166,416 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 57,977 |
| U.S Cities by African-American Population | 0 | - | 4.39 | 83,132 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,494 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,308 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,632 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,219 |
| Brazil States Map Quiz | 0 | - | 4.83 | 40,224 |
| Largest United States Airlines | 0 | - | 4.38 | 52,228 |
| States of Brazil | 0 | - | 4.97 | 69,921 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 40,865 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,625 |
| Longest U.S. State Borders | 0 | - | 4.59 | 34,624 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 106,250 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,159 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,624 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,318 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,099 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,505 |
| Top Producing U.S. States | 0 | - | 4.23 | 28,944 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 77,703 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,269,127 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,405 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,136 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,441 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,693 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,967 |
| Canada Country Quiz | 0 | - | 4.54 | 122,162 |
| Europe Map Quiz | 0 | - | 5.00 | 4,326,369 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 109,962 |
| Random U.S. States on a Map | 0 | - | 4.95 | 502,238 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,933 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,582 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,725 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,503 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 23,838 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 15,708 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,094 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,502 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,357 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,604 |
