| US States Quiz | 0 | - | 5.00 | 16,833,488 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,606 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,504 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,553 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,331 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,240 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,085 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,356 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,525 |
| Pixelated United States Map | 0 | - | 4.87 | 94,082 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,643 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,172 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,213 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,703 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,976 |
| U.S. States By Population | 0 | - | 4.92 | 153,012 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,196 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,319 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,138 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,110 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,471 |
| US States with an Empty Map | 0 | - | 5.00 | 623,316 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,342 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,833 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,771 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,674 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,026 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,073 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,153 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,552 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,601 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,108 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,339 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,739 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,390 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,912 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,902 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,647 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,485 |
| States of Mexico | 0 | - | 4.95 | 175,520 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,438 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,485 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,408 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,808 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,835 |
| ALL California Cities | 0 | - | 4.37 | 42,988 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,116 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,303 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,259 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,031 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,339 |
| Boroughs of New York City | 0 | - | 4.47 | 84,495 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,643 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,260 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,397 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,866 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,036 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,560 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,298 |
| United States Country Quiz | 0 | - | 4.43 | 101,326 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,159 |
| Flags of North and South America | 0 | - | 4.99 | 371,968 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,892 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,827 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,453 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,109 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,974 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,251 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,229 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,513 |
| Random U.S. City to State | 0 | - | 4.45 | 76,125 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,619 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,946 |
| The Only American Country ... | 0 | - | 4.92 | 121,409 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,867 |
| Belize Country Quiz | 0 | - | 4.85 | 20,934 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,334 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,360 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,297 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,786 |
| New England States | 0 | - | 4.51 | 59,784 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,748 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,983 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,699 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,920 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,875 |
| U.S. States by Borders | 0 | - | 4.61 | 35,259 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,427 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,949 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,174 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,066 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,853 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,873 |
| Hawaiian Islands | 0 | - | 4.83 | 42,654 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,749 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,713 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,402 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,272 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,023 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,706 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,435 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,148 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,854 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,467 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,734 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,848 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,941 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,593 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,886 |
| Largest United States Airlines | 0 | - | 4.39 | 54,995 |
| States of Brazil | 0 | - | 4.97 | 87,671 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,674 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,477 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,939 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,989 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,904 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,959 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,472 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,595 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,357 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,692 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,259 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,688 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,670 |
| State Quiz - California | 0 | - | 4.68 | 64,323 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,034 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,062 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,227 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,579 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,484 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,039 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,418 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,209 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,331 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,491 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,635 |
| Canada Country Quiz | 0 | - | 4.54 | 132,324 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,681 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,665 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,849 |
| Asia Map Quiz | 0 | - | 4.99 | 914,607 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,074 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,506 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,084 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,547 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,991 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,974 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 56,982 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,667 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,136 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,248 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,039 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,212 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,012 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,787 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,507 |
| Flyover States | 0 | - | 4.52 | 29,478 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,386 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,079 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,077 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,279 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,782 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,534 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,048 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,427 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,119 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,377 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,373 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,578 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,266 |
| 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 | 26,170 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,896 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,943 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,380 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,445 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,517 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,333 |
| Regions of U.S. States | 0 | - | 4.37 | 43,795 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,551 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,023 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,371 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,833 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,317 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,075 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,271 |
| Movies by State | 0 | - | 4.27 | 40,527 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,476 |
