| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,388 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,020 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,912 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,975 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,833 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,974 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,821 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,381 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,379 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,344 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,727 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,651 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,869 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,252 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,437 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,712 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,761 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,477 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,523 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,449 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,835 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,462 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,919 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,063 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,526 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,403 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,555 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,199 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,337 |
| US States Quiz | 0 | - | 5.00 | 16,698,214 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,598 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,946 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,720 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,239 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,778 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,884 |
| States of Mexico | 0 | - | 4.95 | 173,315 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,914 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,273 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,847 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,571 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,114 |
| Countries with Megacities | 0 | - | 4.99 | 246,764 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,040 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,921 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,464 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,811 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,217 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,714 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,689 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,593 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,795 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,435 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,034 |
| Random European Capital to Country | 0 | - | 4.98 | 189,187 |
| Random European Country to Capital | 0 | - | 4.92 | 147,438 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,391 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,400 |
| Random African Capital to Country | 0 | - | 4.97 | 99,735 |
| Random African Country to Capital | 0 | - | 4.94 | 70,228 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,343 |
| United States Country Quiz | 0 | - | 4.43 | 100,571 |
| Pixelated United States Map | 0 | - | 4.89 | 93,463 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,718 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,345 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,395 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,650 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,891 |
| U.S. States By Population | 0 | - | 4.92 | 152,348 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,389 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,852 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,542 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,760 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,871 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,225 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,697 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,611 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,164 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,866 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,662 |
| Random U.S. City to State | 0 | - | 4.45 | 75,312 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,184 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,845 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,840 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,843 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,084 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,802 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| US States with an Empty Map | 0 | - | 5.00 | 618,748 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,695 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,573 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,920 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,104 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,815 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,883 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,865 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,465 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,579 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,247 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,630 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,642 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,870 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,833 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,995 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,474 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,504 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,557 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,566 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,044 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,151 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,666 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,506 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,461 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,747 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,754 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,278 |
| Name a City - European Countries | 0 | - | 4.92 | 64,378 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,125 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,815 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,516 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,906 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,655 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,521 |
| Boroughs of New York City | 0 | - | 4.47 | 84,092 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,668 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,855 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,648 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,044 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,543 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,201 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,311 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,902 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,386 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,574 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,286 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,421 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,837 |
| Largest City by Island | 0 | - | 4.87 | 71,028 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,384 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,528 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,144 |
| Megacities on a World Map | 0 | - | 4.98 | 250,912 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,168 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,855 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,703 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,136 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,450 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,277 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,254 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,599 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,554 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,798 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,205 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,333 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,796 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,522 |
| Europe Capital to Country | 0 | - | 4.99 | 247,698 |
| Asia Capital to Country | 0 | - | 4.96 | 125,744 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,435 |
| European Capitals by Map | 0 | - | 4.99 | 136,229 |
| African Capitals by Map | 0 | - | 4.99 | 132,147 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,807 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,118 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,171 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,594 |
| European Coastal Capitals | 0 | - | 4.95 | 89,735 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,762 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,767 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,415 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,059 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,101 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,080 |
| Belize Country Quiz | 0 | - | 4.85 | 20,802 |
| Flags of North and South America | 0 | - | 4.99 | 367,075 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,085 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,992 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,997 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,143 |
| ALL California Cities | 0 | - | 4.36 | 42,812 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,920 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,787 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,329 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,340 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,377 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,134 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,926 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,011 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,471 |
