| US States Quiz | 0 | - | 5.00 | 14,928,411 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 342,505 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,379 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,029 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,737 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,884 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,197 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,535 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,754 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,860 |
| Pixelated United States Map | 0 | - | 4.90 | 83,157 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 101,563 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,416 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,455 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,555 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,136 |
| U.S. States By Population | 0 | - | 4.90 | 131,169 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,671 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,627 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,822 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,803 |
| US States with an Empty Map | 0 | - | 5.00 | 560,566 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,371 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,337 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 92,524 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,325 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,576 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,754 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,733 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,417 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,548 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 279,720 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,318 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,956 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 74,056 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,550 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,042 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,065 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,284 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,323 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,653 |
| States of Mexico | 0 | - | 4.94 | 144,027 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,837 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,360 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,877 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,205 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,189 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,372 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,969 |
| United States Map Quiz | 0 | - | 4.98 | 3,925,691 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,552 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,659 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,408 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,888 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,099 |
| United States Country Quiz | 0 | - | 4.44 | 90,386 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,541 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,981 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,450 |
| South America Capitals Quiz | 0 | - | 5.00 | 431,520 |
| Countries Closest to Alaska | 0 | - | 4.91 | 100,048 |
| Countries Closest to Maine | 0 | - | 4.86 | 59,664 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,217 |
| Random U.S. City to State | 0 | - | 4.44 | 66,464 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,785 |
| The Only American Country ... | 0 | - | 4.94 | 111,009 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,549 |
| Belize Country Quiz | 0 | - | 4.88 | 18,984 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 314,218 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,142 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,772 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,382 |
| New England States | 0 | - | 4.52 | 52,537 |
| US States by Land Area | 0 | - | 4.54 | 48,828 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,374 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,110 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,508 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,579 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,262 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,066 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,801 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,304 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,249 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,393 |
| Boroughs of New York City | 0 | - | 4.45 | 77,758 |
| Europe Map Quiz | 0 | - | 5.00 | 4,336,613 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,743 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,410 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 58,014 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,194 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,441 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,283 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,139 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,480 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,870 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,485 |
| Geography of California | 0 | - | 4.23 | 9,728 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,230 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,520 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,528 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,644 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,504 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 102,202 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,431 |
| Largest United States Airlines | 0 | - | 4.38 | 52,303 |
| States of Brazil | 0 | - | 4.97 | 70,329 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 41,389 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,840 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,323 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,117 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,787 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,560 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,850 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,984 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,988 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,579 |
| State Quiz - Washington | 0 | - | 4.45 | 32,690 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,365 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,535 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,183 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,431 |
| ALL California Cities | 0 | - | 4.36 | 39,535 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,290 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,803 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,244 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,616 |
| Canada Country Quiz | 0 | - | 4.54 | 122,425 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,353,154 |
| Oceania Map Quiz | 0 | - | 4.98 | 574,199 |
| Africa Map Quiz | 0 | - | 5.00 | 1,955,318 |
| Asia Map Quiz | 0 | - | 4.99 | 796,437 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 110,131 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,994 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,641 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 391,053 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,198 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,590 |
| Flyover States | 0 | - | 4.51 | 28,130 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,547 |
| U.S. States With Double Letters | 0 | - | 4.63 | 20,780 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,214 |
| U.S. States by Borders | 0 | - | 4.56 | 26,549 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,417 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,487 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,560 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,621 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,083 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,542,294 |
| Every City in Washington State on a Map | 0 | - | 4.51 | 9,263 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 121,650 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,456 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,360 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 25,157 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,277 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,729 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,478 |
| Countries Bordering Brazil | 0 | - | 4.96 | 124,617 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 38,011 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,681 |
| Mexico Country Quiz | 0 | - | 4.48 | 67,034 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,838 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,825 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,250 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,612 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,597 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,509 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,090 |
| Movies by State Quiz | 0 | - | 4.23 | 39,490 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,312 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,003 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,759 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,771 |
| Africa Capitals Quiz | 0 | - | 4.99 | 644,609 |
| Asia Capitals Quiz | 0 | - | 4.98 | 602,855 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,725 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,133 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,405 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,230 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,590 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,599 |
| The Only European Country ... | 0 | - | 4.93 | 181,865 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,622 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,104 |
| Countries of Africa | 0 | - | 5.00 | 2,202,363 |
| Cuba Country Quiz | 0 | - | 4.70 | 47,522 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,419 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,290,518 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,226 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,309 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,929 |
| Australia Map Quiz | 0 | - | 4.94 | 322,144 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,702 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,426 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,238 |
| Rivers of the United States | 0 | - | 4.92 | 57,765 |
| African East Coast | 0 | - | 4.97 | 85,345 |
| Most Valuable Crops by U.S. State | 0 | - | 4.39 | 37,004 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,512 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 462,783 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,879 |
