| US States Quiz | 0 | - | 5.00 | 16,860,251 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,875 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,783 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,323 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,347 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,889 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,167 |
| U.S. States By Population | 0 | - | 4.92 | 153,488 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,352 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,401 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,239 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,181 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,570 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,055 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,520 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,311 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,103 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,114 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,104 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,697 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,432 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,931 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,524 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,091 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,712 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,717 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,545 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,754 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,893 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,867 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,667 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,559 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,689 |
| Pixelated United States Map | 0 | - | 4.87 | 94,205 |
| US States with an Empty Map | 0 | - | 5.00 | 624,114 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,721 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,937 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,753 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,219 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,334 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,148 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,025 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,725 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,602 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,560 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,934 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,870 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,045 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,655 |
| States of Mexico | 0 | - | 4.95 | 175,839 |
| Random U.S. City to State | 0 | - | 4.45 | 76,247 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,755 |
| New England States | 0 | - | 4.51 | 59,802 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,788 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,002 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,776 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,979 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,906 |
| U.S. States by Borders | 0 | - | 4.61 | 35,295 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,466 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,013 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,204 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,108 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,936 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,762 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,671 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,344 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,251 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,489 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,780 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,784 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,557 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,298 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,763 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,460 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,171 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,871 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,486 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,762 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,902 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,462 |
| Movies by State | 0 | - | 4.27 | 40,535 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,889 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,656 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,144 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,473 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,173 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,701 |
| Flags of North and South America | 0 | - | 4.99 | 372,726 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,308 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,462 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,532 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,909 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,577 |
| United States Country Quiz | 0 | - | 4.43 | 101,452 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,166 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,951 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,861 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,829 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,517 |
| Flyover States | 0 | - | 4.52 | 29,502 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,103 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,126 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,510 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,622 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,336 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,369 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,294 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,699 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,059 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,159 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,379 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,841 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,329 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,371 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,141 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,188 |
| Boroughs of New York City | 0 | - | 4.47 | 84,557 |
| The Only American Country ... | 0 | - | 4.92 | 121,537 |
| Belize Country Quiz | 0 | - | 4.85 | 20,960 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,418 |
| Regions of U.S. States | 0 | - | 4.37 | 43,844 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,442 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,320 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,567 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,381 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,842 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,285 |
| Musical Acts by State | 0 | - | 4.05 | 19,588 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,052 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,974 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,914 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,271 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,729 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,412 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,754 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,396 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,393 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,112 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,688 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,923 |
| Name a Valid African Country | 0 | - | 4.98 | 153,972 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,008 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,344 |
| Largest United States Airlines | 0 | - | 4.39 | 55,016 |
| States of Brazil | 0 | - | 4.97 | 87,897 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,841 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,666 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,086 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,971 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,377 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,185 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,191 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,337 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,715 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,717 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,147 |
| ALL California Cities | 0 | - | 4.37 | 43,027 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,738 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,448 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,373 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,062 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,375 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,972 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,845 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,635 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,698 |
| Canada Country Quiz | 0 | - | 4.54 | 132,437 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,259 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,150 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,537 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,114 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,754 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,054 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,061 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,046 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,748 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,699 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,307 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,104 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,283 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,098 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,490 |
| U.S. State Symbols | 0 | - | 4.38 | 24,304 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,864 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,503 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,066 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,112 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,573 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,910 |
| U.S. Panhandles | 0 | - | 4.21 | 27,153 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,777 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,973 |
| U.S. States with a Unique Last Letter | 0 | - | 4.17 | 21,671 |
| Hated U.S. States | 0 | - | 4.16 | 14,210 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,000 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,726 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,287 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,739 |
