| North American Sports Cities | 0 | - | 4.83 | 173,040 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,528 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,270 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,976 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,576 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,148 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,228 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,887 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,094 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,087 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,997 |
| Countries by Capital City | 0 | - | 5.00 | 69,237 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,764 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,147 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,736 |
| Moved Capital Cities | 0 | - | 4.96 | 74,589 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,488 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,777 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,704 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,362 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,865 |
| Name a City - European Countries | 0 | - | 4.90 | 66,057 |
| Cities by Former Name | 0 | - | 4.83 | 91,977 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,917 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,978 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,652 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,938 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,731 |
| World Capitals by Map | 0 | - | 5.00 | 289,017 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,763 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,860 |
| Random Country to Capital | 0 | - | 4.98 | 926,824 |
| Capitals Starting With H | 0 | - | 4.91 | 93,236 |
| Capitals Starting With K | 0 | - | 4.89 | 84,308 |
| Capitals Starting With M | 0 | - | 4.94 | 109,010 |
| Capitals Starting With P | 0 | - | 4.88 | 78,910 |
| Capitals Starting With R | 0 | - | 4.88 | 82,434 |
| Capitals Starting With S | 0 | - | 4.90 | 86,481 |
| Capitals Starting With T | 0 | - | 4.85 | 76,759 |
| Capitals Starting With W | 0 | - | 4.87 | 91,680 |
| Capitals Starting With A | 0 | - | 4.97 | 128,986 |
| Capitals Starting With B | 0 | - | 4.89 | 119,385 |
| Capitals Starting With D | 0 | - | 4.94 | 97,102 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,697 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,310 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,680 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,066 |
| American Cities by Stadium | 0 | - | 4.02 | 36,582 |
| City by Football Clubs | 0 | - | 4.38 | 138,340 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,217 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,749 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,356 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,812 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,932 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,583 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,505 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,746 |
| Former Capitals | 0 | - | 4.88 | 71,641 |
| Europe Capital to Country | 0 | - | 4.99 | 251,843 |
| Asia Capital to Country | 0 | - | 4.96 | 127,305 |
| Capital Cities Chain | 0 | - | 4.84 | 83,272 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,800 |
| European Capitals by Map | 0 | - | 4.99 | 141,835 |
| African Capitals by Map | 0 | - | 4.99 | 141,878 |
| Coldest World Capitals | 0 | - | 4.95 | 134,111 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,811 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,748 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,081 |
| European Coastal Capitals | 0 | - | 4.95 | 91,209 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,128 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,224 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,116 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,061 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,475 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,616 |
| Ancient City to Country | 0 | - | 4.70 | 108,295 |
| Official Cities in the UK | 0 | - | 4.89 | 285,888 |
| City-States | 0 | - | 4.53 | 37,380 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,472 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,786 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,211 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,259 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,204 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,584 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,769 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,279 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,061 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,415 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,829 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,133 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,495 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,986 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,613 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,324 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,832 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,192 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,995 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,573 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,472 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,517 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,423 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,856 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,854 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,710 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,514 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,744 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,289 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,649 |
| The Only Country ... | 0 | - | 4.91 | 81,781 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,288 |
| Boundary Waters | 0 | - | 4.92 | 88,722 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,377 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,602 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,217 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,870 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,751 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,991 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,577 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,602 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,862 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,193 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,601 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,829 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,825 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,773 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,448 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,581 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,042 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,566 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,450 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,234 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,785 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,497 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,425 |
| Cities by Airports | 0 | - | 4.47 | 103,929 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,357 |
| Cities Chain #2 | 0 | - | 4.42 | 56,503 |
| Cities Chain #1 | 0 | - | 4.61 | 66,792 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,530 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,338 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,108 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,247 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,291 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,255 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,471 |
| Capitals Starting With L | 0 | - | 4.80 | 95,100 |
| Capitals Starting With N | 0 | - | 4.80 | 51,811 |
| Capitals Starting With V | 0 | - | 4.80 | 38,595 |
| Capitals Starting With C | 0 | - | 4.78 | 98,840 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,809,418 |
| Landlocked Countries | 0 | - | 4.99 | 424,836 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,663 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,888 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,540 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,904 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,504 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,158 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,966 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,465 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,545 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,335 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,711 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,029 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,287 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,771 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,465 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,001 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,999 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,799 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,989 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,922 |
| Random European Capital to Country | 0 | - | 4.98 | 192,000 |
| Random European Country to Capital | 0 | - | 4.93 | 165,787 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,932 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,343 |
| Random African Capital to Country | 0 | - | 4.97 | 101,249 |
| Random African Country to Capital | 0 | - | 4.95 | 71,682 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,517 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,149 |
| Every European Country Shape | 0 | - | 4.96 | 202,787 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,527 |
| Every African Country Shape | 0 | - | 4.90 | 88,231 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,434 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,881 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,322 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,857 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,882 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,711 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,482 |
| Cities with the Same Name | 0 | - | 3.94 | 36,721 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,835 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,437 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,007 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 73,943 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,884 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,237 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,525 |
| Cities in European History #1 | 0 | - | 4.63 | 134,525 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,751 |
