| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,070 |
| North American Sports Cities | 0 | - | 4.83 | 172,941 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,493 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,039 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,839 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,995 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,272 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,845 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,680 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,408 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,575 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,084 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,275 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,663 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,984 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,644 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,789 |
| Name a City - European Countries | 0 | - | 4.90 | 65,944 |
| Name a Valid World City | 0 | - | 4.84 | 71,738 |
| Cities by Former Name | 0 | - | 4.83 | 91,897 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,046 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,084 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,598 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,903 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,799 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,876 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,987 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,920 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,794 |
| Countries by Capital City | 0 | - | 5.00 | 69,078 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,645 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,054 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,629 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,622 |
| Moved Capital Cities | 0 | - | 4.96 | 74,523 |
| World Capitals by Map | 0 | - | 5.00 | 288,571 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,673 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,273 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,742 |
| Random Country to Capital | 0 | - | 4.98 | 925,456 |
| Capitals Starting With H | 0 | - | 4.91 | 92,917 |
| Capitals Starting With K | 0 | - | 4.88 | 83,971 |
| Capitals Starting With L | 0 | - | 4.81 | 88,426 |
| Capitals Starting With M | 0 | - | 4.93 | 108,399 |
| Capitals Starting With P | 0 | - | 4.88 | 78,540 |
| Capitals Starting With R | 0 | - | 4.87 | 82,137 |
| Capitals Starting With S | 0 | - | 4.90 | 86,131 |
| Capitals Starting With T | 0 | - | 4.85 | 76,467 |
| Capitals Starting With W | 0 | - | 4.87 | 91,490 |
| Capitals Starting With A | 0 | - | 4.97 | 128,556 |
| Capitals Starting With B | 0 | - | 4.89 | 118,952 |
| Capitals Starting With D | 0 | - | 4.93 | 96,818 |
| US States and State Capitals | 0 | - | 4.99 | 164,595 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,886 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,331 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,810 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,386 |
| Official Cities in the UK | 0 | - | 4.89 | 285,458 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,698 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,710 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,789 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,488 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,149 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,414 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,323 |
| Former Capitals | 0 | - | 4.88 | 71,605 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,696 |
| Europe Capital to Country | 0 | - | 4.99 | 251,565 |
| Asia Capital to Country | 0 | - | 4.96 | 127,189 |
| Capital Cities Chain | 0 | - | 4.84 | 83,182 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,650 |
| European Capitals by Map | 0 | - | 4.99 | 141,403 |
| African Capitals by Map | 0 | - | 4.99 | 141,417 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,874 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,458 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,981 |
| Coldest World Capitals | 0 | - | 4.95 | 134,062 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,597 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,831 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,634 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,245 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,978 |
| European Coastal Capitals | 0 | - | 4.95 | 91,087 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,801 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,070 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,751 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,086 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,287 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,055 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,461 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,373 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,960 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,771 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,789 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,641 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,438 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,305 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,358 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,576 |
| The Only Country ... | 0 | - | 4.91 | 81,660 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,270 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,310 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,806 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,445 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,034 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,987 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,610 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,685 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,118 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,956 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,129 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,491 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,737 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,350 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,332 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,316 |
| American Cities by Stadium | 0 | - | 4.02 | 36,571 |
| City by Football Clubs | 0 | - | 4.38 | 138,271 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,699 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,378 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,596 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,317 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,857 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,629 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,449 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,148 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,519 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,714 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,949 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,853 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,344 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,859 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,256 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,765 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,111 |
| Random European Capital to Country | 0 | - | 4.98 | 191,833 |
| Random European Country to Capital | 0 | - | 4.93 | 165,664 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,875 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,261 |
| Random African Capital to Country | 0 | - | 4.97 | 101,143 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,714 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,280 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,437 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,984 |
| Capitals of the Stans | 0 | - | 4.95 | 27,057 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,196 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,288 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,485 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,422 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,023 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,032 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,384 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,452 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,219 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,691 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,963 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,429 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,722 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,380 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,674 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,868 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,384 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,188 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,623 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,031 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,542 |
| Ancient City to Country | 0 | - | 4.70 | 108,248 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,209 |
| City-States | 0 | - | 4.53 | 37,363 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,439 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,728 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,770 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,190 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,467 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,235 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,187 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,577 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,037 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,754 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,458 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,388 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,986 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,134 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,275 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,219 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,479 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,487 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,076 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,250 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,591 |
| Which City in Europe? | 0 | - | 4.83 | 107,758 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,631 |
| Which City in Canada? | 0 | - | 4.83 | 57,267 |
