| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,845 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,299 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,261 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,992 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,349 |
| US States Quiz | 0 | - | 5.00 | 16,964,285 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,285 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,647 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,347 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,342 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,619 |
| Pixelated United States Map | 0 | - | 4.88 | 94,663 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,823 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,043 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,057 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,705 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,064 |
| U.S. States By Population | 0 | - | 4.92 | 153,976 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,012 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,967 |
| US States with an Empty Map | 0 | - | 5.00 | 627,563 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,767 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,699 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,749 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,418 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,435 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,770 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,240 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,298 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,933 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,809 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,127 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,916 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| United States Country Quiz | 0 | - | 4.43 | 102,021 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,476 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,976 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| States of Mexico | 0 | - | 4.96 | 177,680 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,214 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,700 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,318 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,669 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,145 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,450 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,265 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,024 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,283 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,546 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,894 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,063 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,425 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,523 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,626 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,653 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,812 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,262 |
| Flags of North and South America | 0 | - | 4.99 | 375,942 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,154 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,027 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,044 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,924 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,037 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,417 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,922 |
| Random U.S. City to State | 0 | - | 4.45 | 76,770 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,027 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,805 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| Vietnam War Countries | 0 | - | 4.82 | 94,509 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,053 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| Belize Country Quiz | 0 | - | 4.85 | 21,061 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,777 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,824 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,263 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,492 |
| New England States | 0 | - | 4.51 | 59,876 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,000 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,093 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,041 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,228 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,087 |
| U.S. States by Borders | 0 | - | 4.61 | 35,434 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,269 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,405 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,288 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,255 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,109 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| Boroughs of New York City | 0 | - | 4.47 | 84,870 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,959 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,561 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,130 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,899 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,052 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,129 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,009 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,585 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,301 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,946 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,557 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,820 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,077 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,499 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,705 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,189 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,616 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,640 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,443 |
| Largest United States Airlines | 0 | - | 4.39 | 55,127 |
| States of Brazil | 0 | - | 4.97 | 89,247 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,564 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,545 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,725 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,764 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,310 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,637 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,722 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,458 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,937 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,404 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,959 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,799 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,874 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,837 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,080 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,296 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,883 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,764 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,669 |
| ALL California Cities | 0 | - | 4.37 | 43,192 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,964 |
| Random European Capital to Country | 0 | - | 4.98 | 191,868 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,969 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,171 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,331 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,582 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,921 |
| Canada Country Quiz | 0 | - | 4.55 | 132,906 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,160 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,008 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,199 |
| Asia Map Quiz | 0 | - | 4.99 | 923,191 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,312 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,503 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,682 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,254 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,250 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,425 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,456 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,426 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,146 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,323 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,570 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,464 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,623 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,759 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,519 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,004 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,555 |
| Flyover States | 0 | - | 4.52 | 29,576 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,224 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,350 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,890 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,517 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,575 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,762 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,565 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,496 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,291 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,651 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,214 |
