| United States Map Quiz | 0 | - | 4.98 | 4,174,364 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,618 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,243 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,820 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,663 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,113 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,994 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,005 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,982 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,399 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,549 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,634 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,032 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,653 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,402 |
| Pixelated United States Map | 0 | - | 4.89 | 95,044 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,252 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,494 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,505 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,587 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,651 |
| U.S. States By Population | 0 | - | 4.92 | 154,311 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,435 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,018 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,201 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,619 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,255 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,220 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,344 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,800 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,892 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,745 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,632 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,885 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,850 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,281 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,840 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,877 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,035 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,623 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,405 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,139 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| United States Country Quiz | 0 | - | 4.43 | 102,395 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,875 |
| Central American Countries | 0 | - | 4.98 | 157,626 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,719 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,247 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,850 |
| States of Mexico | 0 | - | 4.96 | 178,948 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,490 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,819 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,731 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,682 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,725 |
| Territories of the United States | 0 | - | 4.80 | 52,690 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,945 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,026 |
| Flags of North and South America | 0 | - | 4.99 | 378,512 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,821 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,679 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,027 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,308 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,461 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,933 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,301 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,271 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,117 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,047 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,563 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,423 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,155 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,010 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,983 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,672 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,123 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,926 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,819 |
| The Only American Country ... | 0 | - | 4.92 | 122,402 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,384 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,742 |
| New England States | 0 | - | 4.51 | 59,916 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,128 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,142 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,260 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,355 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,201 |
| U.S. States by Borders | 0 | - | 4.61 | 35,522 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,733 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,419 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,493 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 100,002 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,282 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,860 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,550 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,546 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,916 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,489 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,366 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,624 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,191 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,355 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,869 |
| Belize Country Quiz | 0 | - | 4.85 | 21,130 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,242 |
| US States Quiz | 0 | - | 5.00 | 17,032,293 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,385 |
| North America Cities by Map | 0 | - | 4.41 | 47,982 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,955 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,230 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,687 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,826 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,454 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,001 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,780 |
| Largest United States Airlines | 0 | - | 4.39 | 55,191 |
| States of Brazil | 0 | - | 4.98 | 90,150 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,104 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,928 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,962 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,670 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,703 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,611 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,305 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 68,004 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,588 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,856 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,303 |
| Canada Country Quiz | 0 | - | 4.55 | 133,228 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,743 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,826 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,473 |
| Asia Map Quiz | 0 | - | 4.99 | 927,252 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,733 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,563 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,571 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,521 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,510 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,191 |
| Random European Capital to Country | 0 | - | 4.98 | 192,427 |
| Random European Country to Capital | 0 | - | 4.93 | 166,132 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,153 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,630 |
| Random African Capital to Country | 0 | - | 4.97 | 101,551 |
| Random African Country to Capital | 0 | - | 4.94 | 71,933 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,680 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,791 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,772 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,342 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,216 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,354 |
| US States with an Empty Map | 0 | - | 5.00 | 629,885 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,139 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,583 |
| Flyover States | 0 | - | 4.53 | 29,625 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,315 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,473 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,066 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,829 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,754 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,575 |
| US States with the Most Executions | 0 | - | 4.51 | 26,433 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,193 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,717 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,347 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,842 |
| Which Island in the United States? | 0 | - | 4.29 | 29,852 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,674 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,496 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,477 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,943 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,343 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,285 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,375 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,321 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,607 |
| The Only European Country ... | 0 | - | 4.91 | 219,771 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,491 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,926 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,012 |
| Countries of Africa | 0 | - | 5.00 | 2,566,509 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,290 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,648 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,255 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,869 |
| Australia Map Quiz | 0 | - | 4.95 | 346,634 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,703 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,478 |
| African East Coast | 0 | - | 4.96 | 96,969 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,460 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,649 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,473 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,952 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,498 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,684 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,391 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,749 |
