| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,939 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,472 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,858 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,422 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,584 |
| US States Quiz | 0 | - | 5.00 | 16,701,656 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,939 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,278 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,762 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,998 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,035 |
| Pixelated United States Map | 0 | - | 4.89 | 93,486 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,738 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,367 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,423 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,676 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,918 |
| U.S. States By Population | 0 | - | 4.92 | 152,374 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,407 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,766 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| US States with an Empty Map | 0 | - | 5.00 | 618,861 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,406 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,454 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,961 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,090 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,544 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,889 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,100 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,808 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,592 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,950 |
| United States Country Quiz | 0 | - | 4.43 | 100,585 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,363 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,800 |
| States of Mexico | 0 | - | 4.95 | 173,351 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,722 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,875 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,662 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,602 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,068 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,553 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,873 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,950 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,362 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,415 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,089 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,722 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,714 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,598 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,348 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,079 |
| Flags of North and South America | 0 | - | 4.99 | 367,270 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,655 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,603 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,273 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,319 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,448 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,970 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,003 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,861 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,996 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,681 |
| Random U.S. City to State | 0 | - | 4.45 | 75,323 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,343 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,251 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| Belize Country Quiz | 0 | - | 4.85 | 20,807 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,875 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,537 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,079 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,197 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,816 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,017 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,883 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,323 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,643 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,665 |
| U.S. States by Borders | 0 | - | 4.63 | 35,072 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,243 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,140 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,995 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,794 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,520 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,658 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,554 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,419 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,489 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,584 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,387 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,037 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,230 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,277 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,031 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,769 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,391 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,665 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,664 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,265 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,837 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| UK Immigration by Country | 0 | - | 4.94 | 139,647 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,090 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,386 |
| Largest United States Airlines | 0 | - | 4.39 | 54,836 |
| States of Brazil | 0 | - | 4.98 | 86,390 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,971 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,418 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,099 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 39,821 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,273 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,481 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,276 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,432 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,090 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,411 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,562 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,281 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,452 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,736 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,791 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,505 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,539 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,151 |
| ALL California Cities | 0 | - | 4.37 | 42,815 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,073 |
| Random European Capital to Country | 0 | - | 4.98 | 189,216 |
| Random European Country to Capital | 0 | - | 4.92 | 147,455 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,402 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,420 |
| Random African Country to Capital | 0 | - | 4.94 | 70,234 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,096 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,326 |
| Canada Country Quiz | 0 | - | 4.54 | 131,719 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,517 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,332 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,385 |
| Asia Map Quiz | 0 | - | 4.99 | 907,057 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,206 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,611 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,355 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,937 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,209 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,347 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,327 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,321 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 49,008 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,394 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,607 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,363 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,608 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,341 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,612 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,463 |
| Flyover States | 0 | - | 4.52 | 29,398 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,907 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,919 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,994 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,885 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,083 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,493 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,071 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,661 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,709 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,800 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,849 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,069 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,118 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,284 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,981 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| Regions of U.S. States | 0 | - | 4.37 | 43,474 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,493 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,564 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,341 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,763 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,193 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,980 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,197 |
