| US States Quiz | 0 | - | 5.00 | 17,030,049 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,951 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,238 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,476 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,494 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,574 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,626 |
| U.S. States By Population | 0 | - | 4.92 | 154,297 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,419 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,010 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,010 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,617 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,238 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,867 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,798 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,868 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,387 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,987 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,608 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,132 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,457 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,486 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,665 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,365 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,518 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,606 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,175 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,624 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,480 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,471 |
| Random U.S. City to State | 0 | - | 4.45 | 77,059 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,797 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,646 |
| Pixelated United States Map | 0 | - | 4.89 | 95,011 |
| US States with an Empty Map | 0 | - | 5.00 | 629,811 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,234 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,262 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,660 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,807 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,444 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,472 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,432 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,949 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,098 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,744 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,027 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,302 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,839 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,824 |
| States of Mexico | 0 | - | 4.96 | 178,886 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,437 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,180 |
| New England States | 0 | - | 4.51 | 59,915 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,124 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,141 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,250 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,351 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,197 |
| U.S. States by Borders | 0 | - | 4.61 | 35,520 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,730 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,414 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,489 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,381 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,047 |
| Random Country to Capital | 0 | - | 4.98 | 930,763 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,682 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,920 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,824 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,673 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,707 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,887 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,991 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,211 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,588 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,389 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,188 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,696 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,589 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 68,000 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,587 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,855 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,204 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,195 |
| Movies by State | 0 | - | 4.27 | 40,621 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,205 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,336 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,792 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,887 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,741 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,655 |
| Flags of North and South America | 0 | - | 4.99 | 378,412 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,677 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,817 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,019 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,300 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| United States Country Quiz | 0 | - | 4.43 | 102,382 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,298 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,270 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,114 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,131 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,582 |
| Flyover States | 0 | - | 4.53 | 29,621 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,313 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,470 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,729 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,793 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,059 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,519 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,118 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,949 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,225 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,833 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,801 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,176 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,631 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,571 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,939 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,336 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,282 |
| Boroughs of New York City | 0 | - | 4.47 | 85,452 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,345 |
| The Only American Country ... | 0 | - | 4.92 | 122,391 |
| Belize Country Quiz | 0 | - | 4.85 | 21,126 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,105 |
| Regions of U.S. States | 0 | - | 4.37 | 44,278 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,983 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,637 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,490 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,647 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,433 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,948 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,390 |
| Musical Acts by State | 0 | - | 4.05 | 19,613 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,472 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,375 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,624 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,647 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,989 |
| Random European City to Country | 0 | - | 4.69 | 118,571 |
| Random Asian City to Country | 0 | - | 4.56 | 44,648 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,951 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,923 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,221 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,136 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,453 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,987 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,564 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,004 |
| Name a Valid African Country | 0 | - | 4.98 | 155,336 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,180 |
| Brazil States Map Quiz | 0 | - | 4.87 | 48,767 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,831 |
| Largest United States Airlines | 0 | - | 4.39 | 55,191 |
| States of Brazil | 0 | - | 4.98 | 90,118 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,088 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,251 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,165 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,932 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,274 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,236 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,051 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,656 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,507 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,077 |
| ALL California Cities | 0 | - | 4.37 | 43,292 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,524 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,643 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,198 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,343 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,291 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,679 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,326 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,773 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,927 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,073 |
| Canada Country Quiz | 0 | - | 4.55 | 133,218 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,331 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,718 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,771 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,341 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,317 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,710 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,769 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,728 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,482 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,637 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,796 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,748 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,889 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,098 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,834 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| U.S. State Symbols | 0 | - | 4.38 | 24,356 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,886 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,569 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,942 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,136 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,659 |
