| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,520 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,311 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,062 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,867 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,712 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,717 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,045 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,655 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,185 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,191 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,337 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,715 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,717 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,147 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,489 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,562 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,937 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,753 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,103 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,114 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,579 |
| Largest City by Island | 0 | - | 4.87 | 71,803 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,027 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,108 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,743 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,742 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,214 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,768 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,396 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,481 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,590 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,063 |
| Belize Country Quiz | 0 | - | 4.85 | 20,960 |
| US States Quiz | 0 | - | 5.00 | 16,860,287 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,875 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,855 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,066 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,794 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,546 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,754 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,008 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,894 |
| States of Mexico | 0 | - | 4.95 | 175,839 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,309 |
| South American Cities on the Map | 0 | - | 4.53 | 35,409 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,532 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,909 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,067 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,373 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,560 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,690 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,345 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,251 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,698 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,668 |
| Pixelated United States Map | 0 | - | 4.87 | 94,206 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,783 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,323 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,347 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,889 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,169 |
| U.S. States By Population | 0 | - | 4.92 | 153,489 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,353 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,401 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,239 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,181 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,570 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,369 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,744 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,101 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,294 |
| Countries with Megacities | 0 | - | 4.99 | 262,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,134 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,140 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,836 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,429 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,187 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,005 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,935 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,943 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,804 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,369 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,294 |
| Random U.S. City to State | 0 | - | 4.45 | 76,247 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,699 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,334 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,536 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,573 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,105 |
| Countries that Beat Canada | 0 | - | 4.90 | 95,027 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,394 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,767 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,089 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,422 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,697 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,148 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,432 |
| US States with an Empty Map | 0 | - | 5.00 | 624,114 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,932 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,524 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,092 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,843 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,659 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,643 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,815 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,353 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,480 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,025 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,819 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,372 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,773 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,213 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,537 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,713 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,429 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,120 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,763 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 58,277 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,960 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,204 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,555 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,171 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,422 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,944 |
| Name a City - European Countries | 0 | - | 4.90 | 65,320 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,027 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,287 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,749 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,925 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,153 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,725 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,602 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,560 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,934 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,870 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,735 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,390 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,412 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,396 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,936 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,024 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,762 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,671 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,062 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,393 |
| Boroughs of New York City | 0 | - | 4.47 | 84,557 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,700 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,174 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,959 |
| Flags of North and South America | 0 | - | 4.99 | 372,728 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,533 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,571 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,365 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,831 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,089 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,264 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,872 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,435 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,275 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,898 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,853 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,392 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,300 |
| Megacities on a World Map | 0 | - | 4.98 | 254,262 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,307 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,866 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,277 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,494 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,252 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,898 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,205 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,155 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,681 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,222 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,512 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,185 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,462 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,583 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,004 |
| ALL California Cities | 0 | - | 4.37 | 43,027 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,448 |
| Europe Capital to Country | 0 | - | 4.99 | 249,903 |
| Asia Capital to Country | 0 | - | 4.96 | 126,601 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,770 |
| European Capitals by Map | 0 | - | 4.99 | 138,972 |
| African Capitals by Map | 0 | - | 4.99 | 133,662 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,270 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,009 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,351 |
| European Coastal Capitals | 0 | - | 4.95 | 90,528 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,558 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,663 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,823 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,803 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,914 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,525 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,963 |
| African Island Countries | 0 | - | 4.96 | 101,557 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,890 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,042 |
