| Total United States Immigration by Country | 0 | - | 4.91 | 112,465 |
| US States Quiz | 0 | - | 5.00 | 17,006,316 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,061 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,758 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,693 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,621 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,493 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,118 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,336 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,357 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,411 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,438 |
| U.S. States By Population | 0 | - | 4.92 | 154,198 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,288 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,926 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,560 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,143 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,708 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,319 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,762 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,349 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,287 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,748 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,515 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,255 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,361 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,472 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,104 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,206 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,681 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,526 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,427 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,765 |
| Pixelated United States Map | 0 | - | 4.88 | 94,848 |
| US States with an Empty Map | 0 | - | 5.00 | 629,052 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,184 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,081 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,503 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,414 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,119 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,169 |
| United States Country Quiz | 0 | - | 4.43 | 102,258 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,651 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,922 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,576 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,913 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,235 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,722 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,700 |
| States of Mexico | 0 | - | 4.96 | 178,410 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,600 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,252 |
| New England States | 0 | - | 4.51 | 59,906 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,083 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,127 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,180 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,303 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,159 |
| U.S. States by Borders | 0 | - | 4.62 | 35,492 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,696 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,358 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,458 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,345 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,624 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,176 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,895 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,804 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,639 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,540 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,835 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,966 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,159 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,247 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,374 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,662 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,237 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,989 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,842 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,160 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,115 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,097 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,270 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,722 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,850 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,677 |
| Flags of North and South America | 0 | - | 4.99 | 377,425 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,328 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,618 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,887 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,241 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,896 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,286 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,227 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,080 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,514 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,070 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,573 |
| Flyover States | 0 | - | 4.53 | 29,603 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,279 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,423 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,692 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,768 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,002 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,501 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,040 |
| Random U.S. City to State | 0 | - | 4.45 | 76,965 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,155 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,206 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,192 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,641 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,084 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,109 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,544 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,719 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,277 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,088 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,977 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,923 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,837 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,266 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,267 |
| Boroughs of New York City | 0 | - | 4.47 | 85,354 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,709 |
| The Only American Country ... | 0 | - | 4.92 | 122,255 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,465 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,890 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,765 |
| Belize Country Quiz | 0 | - | 4.85 | 21,105 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,986 |
| Regions of U.S. States | 0 | - | 4.37 | 44,213 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,916 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,840 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,735 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,634 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,427 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,938 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,377 |
| Movies by State | 0 | - | 4.27 | 40,612 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,682 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,882 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| UK Immigration by Country | 0 | - | 4.94 | 141,788 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,161 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,884 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,652 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,132 |
| Largest United States Airlines | 0 | - | 4.39 | 55,169 |
| States of Brazil | 0 | - | 4.97 | 89,863 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,935 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,141 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,128 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,101 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,783 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,513 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,309 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,969 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,758 |
| ALL California Cities | 0 | - | 4.37 | 43,259 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,511 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,502 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,122 |
| Random European Capital to Country | 0 | - | 4.98 | 192,230 |
| Random European Country to Capital | 0 | - | 4.93 | 165,980 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,042 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,501 |
| Random African Capital to Country | 0 | - | 4.97 | 101,398 |
| Random African Country to Capital | 0 | - | 4.95 | 71,796 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,257 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,636 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,448 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,024 |
| Canada Country Quiz | 0 | - | 4.55 | 133,090 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,320 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,637 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,740 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,306 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,640 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,679 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,643 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,410 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,562 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,747 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,676 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,823 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,025 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,750 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,570 |
| U.S. State Symbols | 0 | - | 4.38 | 24,347 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.39 | 28,883 |
| U.S. States Without Individual Income Tax | 0 | - | 4.29 | 28,559 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,852 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,038 |
| Top 10 U.S. States Taller than Wide | 0 | - | 4.05 | 13,642 |
| Top 10 U.S. States Wider than Tall | 0 | - | 4.29 | 14,989 |
| U.S. Panhandles | 0 | - | 4.21 | 27,251 |
| Top 10 Happiest U.S. States | 0 | - | 4.34 | 19,829 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,417 |
| U.S. States with a Unique Last Letter | 0 | - | 4.14 | 21,709 |
| Hated U.S. States | 0 | - | 4.16 | 14,281 |
