| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,350 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,861 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,041 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,287 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,865 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,874 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,900 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,906 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,339 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,395 |
| US States and State Capitals | 0 | - | 4.99 | 164,650 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,200 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,342 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,820 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,462 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,058 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,169 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,755 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,513 |
| Random European Capital to Country | 0 | - | 4.98 | 191,856 |
| Random European Country to Capital | 0 | - | 4.93 | 165,676 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,884 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,274 |
| Random African Capital to Country | 0 | - | 4.97 | 101,158 |
| Random African Country to Capital | 0 | - | 4.94 | 71,627 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,535 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,428 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,062 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,663 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,120 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,960 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,492 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,237 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,725 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,992 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,443 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,728 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,380 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,702 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,880 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,868 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,719 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,348 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,620 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,274 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,848 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,400 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,456 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,594 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,526 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,290 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,004 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,174 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,281 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,931 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,813 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,999 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,940 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,822 |
| Countries by Capital City | 0 | - | 5.00 | 69,106 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,672 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,067 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,157 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,640 |
| Moved Capital Cities | 0 | - | 4.96 | 74,528 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,486 |
| Random Country to Capital | 0 | - | 4.98 | 925,632 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,011 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,291 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,384 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,415 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,722 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,650 |
| Largest City by Island | 0 | - | 4.87 | 72,285 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,324 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,506 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,000 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,489 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,014 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,842 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,215 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,080 |
| Megacities on a World Map | 0 | - | 4.98 | 256,236 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,563 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,086 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,913 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,661 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,477 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,734 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,695 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,477 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,435 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,545 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,743 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,072 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,198 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,813 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,865 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,391 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,431 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,202 |
| North American Sports Cities | 0 | - | 4.83 | 172,959 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,500 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,708 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,261 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,724 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,077 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,815 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,500 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,797 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,431 |
| Name a City - European Countries | 0 | - | 4.90 | 65,961 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Former Capitals | 0 | - | 4.88 | 71,615 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,604 |
| Europe Capital to Country | 0 | - | 4.99 | 251,619 |
| Asia Capital to Country | 0 | - | 4.96 | 127,221 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,886 |
| Capital Cities Chain | 0 | - | 4.84 | 83,198 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,671 |
| European Capitals by Map | 0 | - | 4.99 | 141,478 |
| African Capitals by Map | 0 | - | 4.99 | 141,526 |
| Coldest World Capitals | 0 | - | 4.95 | 134,068 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,633 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,658 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,995 |
| European Coastal Capitals | 0 | - | 4.95 | 91,106 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,082 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,797 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,340 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,637 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,062 |
| World Capitals by Map | 0 | - | 5.00 | 288,658 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,686 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,977 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,383 |
| Capitals Starting With H | 0 | - | 4.91 | 92,957 |
| Capitals Starting With K | 0 | - | 4.88 | 84,007 |
| Capitals Starting With L | 0 | - | 4.81 | 89,768 |
| Capitals Starting With M | 0 | - | 4.93 | 108,478 |
| Capitals Starting With P | 0 | - | 4.88 | 78,590 |
| Capitals Starting With R | 0 | - | 4.88 | 82,167 |
| Capitals Starting With S | 0 | - | 4.90 | 86,180 |
| Capitals Starting With T | 0 | - | 4.85 | 76,497 |
| Capitals Starting With W | 0 | - | 4.87 | 91,512 |
| Capitals Starting With A | 0 | - | 4.97 | 128,618 |
| Capitals Starting With B | 0 | - | 4.89 | 119,018 |
| Capitals Starting With D | 0 | - | 4.93 | 96,851 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,655 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,336 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,830 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,918 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,936 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,546 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,788 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,239 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,899 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,056 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,061 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,020 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,122 |
| Biggest Cities in California | 0 | - | 4.35 | 140,245 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,313 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,851 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,499 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,367 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,789 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,924 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,581 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,250 |
| Official Cities in the UK | 0 | - | 4.89 | 285,504 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,723 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,162 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,445 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,628 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,540 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,640 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,702 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,953 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,540 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,000 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,417 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,865 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,261 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,805 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,102 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,472 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,379 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,789 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,799 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,653 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,890 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,451 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,331 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,396 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,294 |
