| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,331 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,810 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,438 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,828 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,500 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,548 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,901 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,472 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,025 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,057 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,226 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,572 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,479 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,035 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,635 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,334 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,533 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,765 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,669 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,023 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,442 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,514 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,349 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,154 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,304 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,626 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,501 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,066 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,427 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,512 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,020 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,626 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,345 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,089 |
| Belize Country Quiz | 0 | - | 4.85 | 20,933 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,176 |
| US States Quiz | 0 | - | 5.00 | 16,832,410 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,599 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,657 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,884 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,877 |
| Central American Countries | 0 | - | 4.98 | 155,895 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,327 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,227 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,876 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,917 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| States of Mexico | 0 | - | 4.95 | 175,512 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,259 |
| South American Cities on the Map | 0 | - | 4.56 | 35,386 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,389 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,034 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,350 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,521 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,258 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,026 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,077 |
| Pixelated United States Map | 0 | - | 4.87 | 94,077 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,641 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,169 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,208 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,696 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,967 |
| U.S. States By Population | 0 | - | 4.92 | 153,010 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,189 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,317 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,133 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,106 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,467 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,357 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,690 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,991 |
| Countries with Megacities | 0 | - | 4.99 | 259,158 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,860 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,974 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,145 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,976 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,616 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,638 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,815 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,909 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,773 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,338 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,110 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,224 |
| Random U.S. City to State | 0 | - | 4.45 | 76,122 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,618 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,146 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,546 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,294 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,331 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,639 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,411 |
| Peru Country Quiz | 0 | - | 4.54 | 48,582 |
| Chile Country Quiz | 0 | - | 4.75 | 39,992 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,817 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,566 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,600 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,106 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,338 |
| US States with an Empty Map | 0 | - | 5.00 | 623,285 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,735 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,388 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,905 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,723 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,549 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,405 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,671 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,259 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,364 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,921 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,464 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,903 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,116 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,880 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,798 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,362 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,204 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,481 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,455 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,668 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,769 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 58,565 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,366 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,840 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,485 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,529 |
| Name a City - European Countries | 0 | - | 4.90 | 65,193 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,895 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,003 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,043 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,435 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,482 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,399 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,805 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,834 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,995 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,374 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,850 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| Boroughs of New York City | 0 | - | 4.47 | 84,489 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,606 |
| Which South American Country? | 0 | - | 4.69 | 51,896 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,246 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,412 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,429 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,547 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,032 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,662 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,134 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,178 |
| Flags of North and South America | 0 | - | 4.99 | 371,942 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,394 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,383 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,496 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,208 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,700 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,968 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,153 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,821 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,025 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,990 |
| Largest City by Island | 0 | - | 4.87 | 71,665 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,782 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,666 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,239 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,245 |
| Megacities on a World Map | 0 | - | 4.98 | 253,349 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,206 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,701 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,748 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,211 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,069 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,728 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,097 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,075 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,430 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,434 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,076 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,416 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,409 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,823 |
| ALL California Cities | 0 | - | 4.37 | 42,988 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| Europe Capital to Country | 0 | - | 4.99 | 249,572 |
| Asia Capital to Country | 0 | - | 4.96 | 126,473 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,583 |
