| United States Map Quiz | 0 | - | 4.98 | 4,153,822 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,313 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,183 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,337 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,506 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,353 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,529 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,574 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,479 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,530 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,782 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,472 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,123 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,309 |
| Pixelated United States Map | 0 | - | 4.87 | 94,063 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,634 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,156 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,199 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,683 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,955 |
| U.S. States By Population | 0 | - | 4.92 | 152,998 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,179 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,372 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,455 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,764 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,503 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,041 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,418 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,109 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,472 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,314 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,781 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,746 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,041 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,011 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,068 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,697 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,595 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,836 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,554 |
| United States Country Quiz | 0 | - | 4.43 | 101,303 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,893 |
| Central American Countries | 0 | - | 4.98 | 155,882 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,850 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,448 |
| States of Mexico | 0 | - | 4.95 | 175,482 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,822 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,838 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,254 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,016 |
| Territories of the United States | 0 | - | 4.79 | 52,332 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,571 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,248 |
| Flags of North and South America | 0 | - | 4.99 | 371,852 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,111 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,251 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,381 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,863 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,131 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,274 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,158 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,886 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,819 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,410 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,490 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,000 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,609 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,337 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,715 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,216 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,389 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,927 |
| The Only American Country ... | 0 | - | 4.92 | 121,396 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,097 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,969 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,744 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,982 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,685 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,913 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,871 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,940 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,173 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,571 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,973 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,566 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,115 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,340 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,617 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,757 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,719 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,353 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,384 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,888 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,977 |
| Belize Country Quiz | 0 | - | 4.85 | 20,931 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,272 |
| US States Quiz | 0 | - | 5.00 | 16,830,297 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,328 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,007 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,743 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,384 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,909 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,859 |
| Largest United States Airlines | 0 | - | 4.39 | 54,991 |
| States of Brazil | 0 | - | 4.97 | 87,625 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,652 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,328 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,508 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,776 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,433 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,145 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,126 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,853 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,465 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,732 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,089 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,692 |
| Canada Country Quiz | 0 | - | 4.54 | 132,315 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,460 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,536 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,552 |
| Asia Map Quiz | 0 | - | 4.99 | 914,386 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,055 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,037 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,480 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,353 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,543 |
| Random European Capital to Country | 0 | - | 4.98 | 190,617 |
| Random European Country to Capital | 0 | - | 4.93 | 164,543 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,189 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,588 |
| Random African Capital to Country | 0 | - | 4.97 | 100,478 |
| Random African Country to Capital | 0 | - | 4.94 | 71,083 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,327 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,417 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,504 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,081 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,101 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,220 |
| US States with an Empty Map | 0 | - | 5.00 | 623,218 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,781 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,505 |
| Flyover States | 0 | - | 4.52 | 29,478 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,076 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,068 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,272 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,667 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,515 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,330 |
| US States with the Most Executions | 0 | - | 4.51 | 26,385 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,034 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,471 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,913 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,725 |
| Which Island in the United States? | 0 | - | 4.29 | 29,423 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,659 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,770 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,942 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,236 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,168 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,525 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,593 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,816 |
| The Only European Country ... | 0 | - | 4.91 | 215,968 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,724 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,763 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Countries of Africa | 0 | - | 5.00 | 2,529,879 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,783 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,449 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,622 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,601 |
| Australia Map Quiz | 0 | - | 4.95 | 343,813 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,934 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,098 |
| African East Coast | 0 | - | 4.96 | 95,820 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,294 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,550 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,718 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,832 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,375 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,884 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,271 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,638 |
