| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,470 |
| US States Quiz | 0 | - | 5.00 | 15,013,320 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,585 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,406 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,701 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,320 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,353 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,914 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,986 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,470 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,431 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,704 |
| Pixelated United States Map | 0 | - | 4.90 | 83,825 |
| US States with an Empty Map | 0 | - | 5.00 | 563,358 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,200 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,902 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,872 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,193 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,777 |
| U.S. States By Population | 0 | - | 4.90 | 131,519 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,531 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,887 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,034 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,168 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 175,297 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 152,046 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,202 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,825 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 81,022 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,906 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,209 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,289 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,133 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,582 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 57,297 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,547 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,566 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,089 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,420 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,453 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,915 |
| Rivers of the United States | 0 | - | 4.92 | 58,175 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.85 | 49,489 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 187,794 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,393 |
| Top 10 Hottest U.S. States | 0 | - | 4.89 | 112,065 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,395 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,811 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,625 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,070 |
| States of Mexico | 0 | - | 4.94 | 145,412 |
| African Great Lakes | 0 | - | 4.85 | 55,152 |
| United States Map Quiz | 0 | - | 4.98 | 3,935,404 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,778 |
| South China Sea Countries | 0 | - | 4.82 | 54,348 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,651 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,374 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,267 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,514 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,494 |
| Lakes in the United States by Clue | 0 | - | 4.30 | 18,767 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 139,260 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,072 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,182 |
| United States Country Quiz | 0 | - | 4.44 | 91,001 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,624 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,278 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 47,797 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,775 |
| Random U.S. City to State | 0 | - | 4.44 | 66,883 |
| South America Capitals Quiz | 0 | - | 5.00 | 433,930 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,862 |
| Asian Physical Geography | 0 | - | 4.59 | 33,871 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,693 |
| New England States | 0 | - | 4.52 | 52,594 |
| US States by Land Area | 0 | - | 4.54 | 48,990 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,455 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,377 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,748 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,748 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,398 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,295 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,946 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,501 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,743 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 107,684 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,480 |
| Boroughs of New York City | 0 | - | 4.45 | 78,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,369 |
| The Only American Country ... | 0 | - | 4.94 | 111,623 |
| Belize Country Quiz | 0 | - | 4.88 | 19,085 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,538 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,034 |
| Longest U.S. State Borders | 0 | - | 4.66 | 34,992 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,949 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,262 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,712 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,403 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,249 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,598 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,932 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,625 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,432 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,564 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.37 | 235,980 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,675 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,105 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,909 |
| Europe Map Quiz | 0 | - | 5.00 | 4,355,287 |
| Largest United States Airlines | 0 | - | 4.38 | 52,442 |
| States of Brazil | 0 | - | 4.97 | 71,265 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,271 |
| South American Physical Geography | 0 | - | 4.56 | 17,429 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.71 | 34,117 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,639 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,959 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,253 |
| ALL California Cities | 0 | - | 4.36 | 39,718 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,837 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 70,104 |
| Countries Closest to the Aegean Sea | 0 | - | 4.63 | 56,434 |
| Biggest Trading Partners - US | 0 | - | 4.64 | 102,562 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,972 |
| Canada Country Quiz | 0 | - | 4.54 | 122,950 |
| Hawaiian Islands Map Quiz | 0 | - | 4.75 | 21,243 |
| Mexico States Map Quiz | 0 | - | 4.80 | 92,221 |
| Canada Cities Map Quiz | 0 | - | 4.57 | 110,443 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 32,149 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,787 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,419 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,656 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,915 |
| Flyover States | 0 | - | 4.51 | 28,200 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,800 |
| U.S. States With Double Letters | 0 | - | 4.63 | 21,343 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,451 |
| U.S. States by Borders | 0 | - | 4.56 | 26,649 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,937 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,679 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,688 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,937 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,861 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,889 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,961 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 61,202 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,405 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 59,209 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,730 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,549,447 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 122,140 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,565 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,401 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,218 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,321 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,835 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,541 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.66 | 71,643 |
| Countries Bordering Brazil | 0 | - | 4.96 | 125,092 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 38,076 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,956 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 77,167 |
| Mexico Country Quiz | 0 | - | 4.48 | 67,348 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,438 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,405 |
| Africa Map Quiz | 0 | - | 5.00 | 1,962,473 |
| Asia Map Quiz | 0 | - | 4.99 | 801,378 |
| Regions of US States | 0 | - | 4.15 | 31,634 |
| African Physical Geography | 0 | - | 4.49 | 30,199 |
| European Physical Geography | 0 | - | 4.20 | 32,152 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,955 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 104,086 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,854 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,312 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,690 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,700 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,620 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,176 |
| Movies by State Quiz | 0 | - | 4.23 | 39,548 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 43,638 |
| Geography of California | 0 | - | 4.23 | 9,783 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,467 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,808 |
| Africa Capitals Quiz | 0 | - | 4.99 | 650,114 |
| Asia Capitals Quiz | 0 | - | 4.98 | 607,469 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,762 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,175 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,470 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,385 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,462 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,376 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,523 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,800 |
| The Only European Country ... | 0 | - | 4.93 | 183,394 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,734 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,075 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,395 |
| Countries of Africa | 0 | - | 5.00 | 2,218,197 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,440 |
| Countries Closest to Maine | 0 | - | 4.86 | 59,953 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,168 |
