| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,115 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,582 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,906 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,332 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,855 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,272 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,737 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,277 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,134 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,573 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,989 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,211 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,173 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,789 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,720 |
| Megacities on a World Map | 0 | - | 4.98 | 257,084 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,530 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,028 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,724 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,729 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,776 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,218 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,030 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,545 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,372 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,916 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,545 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,087 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,450 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,302 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,123 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,468 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,016 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,106 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,686 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,242 |
| Central American Countries | 0 | - | 4.98 | 157,383 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,548 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,175 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,163 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,255 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,515 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,022 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,445 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,992 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,002 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,527 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,788 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,827 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,600 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,453 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,723 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,648 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,592 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,152 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,158 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,135 |
| Europe Capital to Country | 0 | - | 4.99 | 252,220 |
| Official Cities in the UK | 0 | - | 4.89 | 286,422 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,828 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,864 |
| Random European Capital to Country | 0 | - | 4.98 | 192,195 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,746 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,057 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,710 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,883 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,466 |
| Which City in Canada? | 0 | - | 4.83 | 57,370 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,345 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,323 |
| US States Quiz | 0 | - | 5.00 | 17,002,718 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,968 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,020 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,772 |
| US States with an Empty Map | 0 | - | 5.00 | 628,921 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,361 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,728 |
| Flags of North and South America | 0 | - | 4.99 | 377,298 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,441 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,623 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,649 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,523 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,794 |
| North America Map Quiz | 0 | - | 4.98 | 252,242 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,415 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,257 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,219 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,632 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,012 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,081 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,263 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,770 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,279 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,744 |
| States of Mexico | 0 | - | 4.96 | 178,362 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,623 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,423 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,698 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,527 |
| States of Brazil | 0 | - | 4.97 | 89,800 |
| South America Flags Map Quiz | 0 | - | 4.95 | 89,004 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,917 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,638 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,020 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,308 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,481 |
| Biggest Cities in France | 0 | - | 4.70 | 225,394 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,240 |
| Biggest Cities in California | 0 | - | 4.35 | 140,429 |
| Biggest Cities in China | 0 | - | 4.53 | 159,963 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,486 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,557 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,317 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,999 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,485 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,176 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,749 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,544 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,265 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,739 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,315 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,281 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,302 |
| Random Country to Capital | 0 | - | 4.98 | 928,732 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,024 |
| World Capitals by Map | 0 | - | 5.00 | 289,572 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,964 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,558 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,610 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,713 |
| Coldest World Capitals | 0 | - | 4.95 | 134,183 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,934 |
| Random European Country to Capital | 0 | - | 4.93 | 165,959 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,052 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,490 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,171 |
| Asia Capital to Country | 0 | - | 4.96 | 127,598 |
| Random European City to Country | 0 | - | 4.69 | 118,483 |
| European Cities by Clue | 0 | - | 4.70 | 89,181 |
| Which City in Europe? | 0 | - | 4.83 | 107,912 |
| African Capitals by Map | 0 | - | 4.99 | 142,307 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,738 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,620 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,831 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,189 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,539 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,419 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,102 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,475 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,935 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| European Coastal Capitals | 0 | - | 4.95 | 91,352 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,228 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,605 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,803 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,129 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,214 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,273 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,987 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,173 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,440 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,226 |
| Countries of Africa | 0 | - | 5.00 | 2,561,264 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,731 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,474 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,658 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,084 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,931 |
| Asia Map Quiz | 0 | - | 4.99 | 925,548 |
| Counties of England | 0 | - | 4.97 | 803,254 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,656 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,750 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,535 |
| Countries That Border Russia | 0 | - | 4.98 | 464,596 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,029 |
| Countries Bordering France | 0 | - | 4.83 | 405,010 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,322 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,629 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,941 |
| Australia Map Quiz | 0 | - | 4.95 | 346,248 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,020 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,119 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,870 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,430 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,305 |
| Countries that Border China | 0 | - | 4.96 | 264,345 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,685 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,731 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,697 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,866 |
| Flags of Oceania | 0 | - | 5.00 | 262,912 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,173 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,045 |
| Countries with Megacities | 0 | - | 4.99 | 267,332 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,933 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,825 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,902 |
| Every European Country Shape | 0 | - | 4.96 | 203,076 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,046 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,276 |
