| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,280 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,099 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,898 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,574 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,130 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,614 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,318 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,698 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,151 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,380 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,627 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,647 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,347 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,465 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,334 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,279 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,380 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,745 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,956 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,448 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,832 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,958 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,258 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,489 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,779 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,975 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,242 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,541 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,761 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,753 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,713 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,916 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,587 |
| Belize Country Quiz | 0 | - | 4.85 | 20,782 |
| US States Quiz | 0 | - | 5.00 | 16,683,261 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,102 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,495 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,859 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,200 |
| Central American Countries | 0 | - | 4.98 | 154,936 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,554 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,061 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,345 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,645 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,272 |
| States of Mexico | 0 | - | 4.95 | 173,084 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,675 |
| South American Cities on the Map | 0 | - | 4.57 | 35,231 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,621 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,553 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,773 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,329 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,747 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,267 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,621 |
| Pixelated United States Map | 0 | - | 4.89 | 93,361 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,613 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,249 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,301 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,519 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,792 |
| U.S. States By Population | 0 | - | 4.92 | 152,278 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,288 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,791 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,463 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,796 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,264 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,806 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,280 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,907 |
| Countries with Megacities | 0 | - | 4.99 | 246,299 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,828 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,286 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,693 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,480 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,070 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,153 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,667 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,588 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,150 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,602 |
| Random U.S. City to State | 0 | - | 4.45 | 75,212 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,130 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,301 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,413 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,934 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,017 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,045 |
| Peru Country Quiz | 0 | - | 4.54 | 48,260 |
| Chile Country Quiz | 0 | - | 4.75 | 39,695 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,357 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,000 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,883 |
| US States with an Empty Map | 0 | - | 5.00 | 618,277 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,575 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,479 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,815 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,743 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,739 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,778 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,411 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,510 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,172 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,526 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,484 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,609 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,725 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,705 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,371 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,431 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,313 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,454 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,969 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,079 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,663 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,593 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,376 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,399 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,546 |
| Name a City - European Countries | 0 | - | 4.92 | 64,285 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,552 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,997 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,045 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,496 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,792 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,570 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,964 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,517 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,751 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,509 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,762 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,467 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,885 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,493 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,897 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,335 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,679 |
| Which South American Country? | 0 | - | 4.69 | 51,695 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,961 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,820 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,132 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,325 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,835 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,885 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,475 |
| Flags of North and South America | 0 | - | 4.99 | 365,948 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,415 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,085 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,189 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,784 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,311 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,487 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,236 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,255 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,724 |
| Largest City by Island | 0 | - | 4.87 | 70,967 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,287 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,430 |
| Biggest European Cities by Century | 0 | - | 4.98 | 138,875 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,960 |
| Megacities on a World Map | 0 | - | 4.98 | 250,546 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,732 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,778 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,704 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,537 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,046 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,339 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,186 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,194 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,533 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,499 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,735 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,129 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,446 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,105 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,258 |
| North America Cities by Map | 0 | - | 4.41 | 47,596 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,675 |
| ALL California Cities | 0 | - | 4.36 | 42,802 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,380 |
| Europe Capital to Country | 0 | - | 4.99 | 247,335 |
| Asia Capital to Country | 0 | - | 4.96 | 125,642 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,326 |
| European Capitals by Map | 0 | - | 4.99 | 135,995 |
| African Capitals by Map | 0 | - | 4.99 | 132,075 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,991 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,539 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
