| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,598 |
| North American Sports Cities | 0 | - | 4.83 | 172,793 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,449 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,783 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,708 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,589 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,173 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,692 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,379 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,954 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,466 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,623 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,187 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,550 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,794 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,581 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,696 |
| Name a City - European Countries | 0 | - | 4.90 | 65,824 |
| Name a Valid World City | 0 | - | 4.83 | 71,608 |
| Cities by Former Name | 0 | - | 4.83 | 91,819 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,015 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,933 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,553 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,761 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,692 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,831 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,872 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,743 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,585 |
| Countries by Capital City | 0 | - | 5.00 | 68,862 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,512 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,946 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,531 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,530 |
| Moved Capital Cities | 0 | - | 4.96 | 74,441 |
| World Capitals by Map | 0 | - | 5.00 | 288,119 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,609 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,550 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,700 |
| Random Country to Capital | 0 | - | 4.98 | 924,245 |
| Capitals Starting With H | 0 | - | 4.91 | 92,839 |
| Capitals Starting With K | 0 | - | 4.88 | 83,887 |
| Capitals Starting With L | 0 | - | 4.81 | 88,356 |
| Capitals Starting With M | 0 | - | 4.93 | 108,268 |
| Capitals Starting With P | 0 | - | 4.88 | 78,478 |
| Capitals Starting With R | 0 | - | 4.87 | 82,082 |
| Capitals Starting With S | 0 | - | 4.90 | 86,065 |
| Capitals Starting With T | 0 | - | 4.85 | 76,408 |
| Capitals Starting With W | 0 | - | 4.87 | 91,458 |
| Capitals Starting With A | 0 | - | 4.97 | 128,438 |
| Capitals Starting With B | 0 | - | 4.89 | 118,852 |
| Capitals Starting With D | 0 | - | 4.93 | 96,743 |
| US States and State Capitals | 0 | - | 4.99 | 164,011 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,561 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,275 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,355 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,290 |
| Official Cities in the UK | 0 | - | 4.89 | 284,996 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,661 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,118 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,563 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,616 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,378 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,071 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,299 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,258 |
| Former Capitals | 0 | - | 4.88 | 71,566 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,663 |
| Europe Capital to Country | 0 | - | 4.99 | 251,264 |
| Asia Capital to Country | 0 | - | 4.96 | 127,016 |
| Capital Cities Chain | 0 | - | 4.84 | 83,076 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,459 |
| European Capitals by Map | 0 | - | 4.99 | 140,891 |
| African Capitals by Map | 0 | - | 4.99 | 139,974 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,285 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,994 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,873 |
| Coldest World Capitals | 0 | - | 4.95 | 134,001 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,295 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,302 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,683 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,492 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,148 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,848 |
| European Coastal Capitals | 0 | - | 4.95 | 90,970 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,769 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,968 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,365 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,944 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,934 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,988 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,390 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,312 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,876 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,689 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,694 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,588 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,377 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,148 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,225 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,506 |
| The Only Country ... | 0 | - | 4.91 | 81,545 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,616 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,232 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,076 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,686 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,275 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,888 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,946 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,149 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,659 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,082 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,928 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,921 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,463 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,640 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,299 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,095 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,286 |
| American Cities by Stadium | 0 | - | 4.02 | 36,563 |
| City by Football Clubs | 0 | - | 4.38 | 138,201 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,560 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,879 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,411 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,187 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,783 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,526 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,356 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,942 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,448 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,669 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,885 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,668 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,124 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,752 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,031 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,617 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,949 |
| Random European Capital to Country | 0 | - | 4.98 | 191,663 |
| Random European Country to Capital | 0 | - | 4.93 | 165,541 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,813 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,156 |
| Random African Capital to Country | 0 | - | 4.97 | 101,041 |
| Random African Country to Capital | 0 | - | 4.94 | 71,516 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,611 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,261 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,377 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,822 |
| Capitals of the Stans | 0 | - | 4.95 | 27,005 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,107 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,790 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,443 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,361 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,792 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,814 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,352 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,411 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,115 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,348 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,793 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,334 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,682 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,336 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,444 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,727 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,321 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,159 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,283 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,570 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,998 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,446 |
| Ancient City to Country | 0 | - | 4.70 | 108,198 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,193 |
| City-States | 0 | - | 4.53 | 37,334 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,404 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,564 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,739 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,080 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,331 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,224 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,173 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,568 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,259 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,013 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,079 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,542 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,356 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,302 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,971 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,064 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,189 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,103 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,423 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,396 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,049 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,220 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,378 |
| Which City in Europe? | 0 | - | 4.83 | 107,687 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,553 |
| Which City in Canada? | 0 | - | 4.83 | 57,206 |
