| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,904 |
| US States Quiz | 0 | - | 5.00 | 16,690,049 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,331 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,218 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,035 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,821 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,598 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,585 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,987 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,524 |
| US States with an Empty Map | 0 | - | 5.00 | 618,474 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,630 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,510 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,168 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,855 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,602 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,570 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,659 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,299 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,349 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,572 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,838 |
| U.S. States By Population | 0 | - | 4.92 | 152,305 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,328 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,824 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,498 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,735 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,835 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,476 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,861 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,277 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,773 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,225 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,657 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,502 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,632 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,742 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,381 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,760 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,384 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,661 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,385 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,800 |
| Pixelated United States Map | 0 | - | 4.89 | 93,421 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,267 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,402 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,068 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,384 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,553 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,822 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,006 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,348 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,479 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,788 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,560 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,355 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,995 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,223 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,926 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,266 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,017 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,641 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,465 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,519 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,407 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,220 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,441 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,436 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,668 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,257 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,462 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,348 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,734 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,623 |
| States of Mexico | 0 | - | 4.95 | 173,215 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,547 |
| New England States | 0 | - | 4.51 | 59,702 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,455 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,291 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,611 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,650 |
| U.S. States by Borders | 0 | - | 4.63 | 35,057 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,220 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,109 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,974 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,002 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,300 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,726 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,303 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,327 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,298 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,731 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,326 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,867 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,825 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,052 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,446 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,047 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,639 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,793 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,895 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,488 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,894 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,644 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,506 |
| Regions of U.S. States | 0 | - | 4.37 | 43,445 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,487 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,012 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,337 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,760 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,194 |
| Movies by State | 0 | - | 4.27 | 40,436 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,692 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,653 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,573 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,782 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,910 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,820 |
| United States Country Quiz | 0 | - | 4.43 | 100,533 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| Flags of North and South America | 0 | - | 4.99 | 366,525 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,632 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,587 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,919 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,539 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,829 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,808 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,684 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,633 |
| Random U.S. City to State | 0 | - | 4.45 | 75,269 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,162 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,038 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,774 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,679 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,517 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,068 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,189 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,999 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,510 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,586 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,458 |
| Flyover States | 0 | - | 4.52 | 29,380 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,902 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,779 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,181 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,963 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,976 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,675 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,393 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,050 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,040 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,770 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,026 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,119 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,300 |
| The Only American Country ... | 0 | - | 4.92 | 120,708 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,225 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,995 |
| Belize Country Quiz | 0 | - | 4.85 | 20,791 |
| U.S. State Flags | 0 | - | 4.89 | 166,893 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,820 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,911 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,308 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,073 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,774 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,977 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 41,067 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,781 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,003 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| Boroughs of New York City | 0 | - | 4.47 | 84,072 |
| UK Immigration by Country | 0 | - | 4.94 | 139,537 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,360 |
| Largest United States Airlines | 0 | - | 4.39 | 54,825 |
| States of Brazil | 0 | - | 4.98 | 86,298 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,892 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,020 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,988 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,393 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,941 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,746 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,609 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,290 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,379 |
| Musical Acts by State | 0 | - | 4.05 | 19,553 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,197 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,411 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,661 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,702 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,409 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,483 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,123 |
| ALL California Cities | 0 | - | 4.36 | 42,806 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,383 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,377 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,779 |
