| North American Sports Cities | 0 | - | 4.83 | 172,692 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,419 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,583 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,091 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,700 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,633 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,598 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,593 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,727 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,551 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,412 |
| Countries by Capital City | 0 | - | 5.00 | 68,704 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,410 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,854 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,448 |
| Moved Capital Cities | 0 | - | 4.96 | 74,382 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,320 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,475 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,565 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,103 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,609 |
| Name a City - European Countries | 0 | - | 4.90 | 65,678 |
| Cities by Former Name | 0 | - | 4.83 | 91,756 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,109 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,093 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,506 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,776 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,443 |
| World Capitals by Map | 0 | - | 5.00 | 287,612 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,507 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,319 |
| Random Country to Capital | 0 | - | 4.98 | 923,252 |
| Capitals Starting With H | 0 | - | 4.91 | 92,760 |
| Capitals Starting With K | 0 | - | 4.88 | 83,814 |
| Capitals Starting With L | 0 | - | 4.81 | 88,281 |
| Capitals Starting With M | 0 | - | 4.93 | 108,121 |
| Capitals Starting With P | 0 | - | 4.88 | 78,386 |
| Capitals Starting With R | 0 | - | 4.87 | 82,007 |
| Capitals Starting With S | 0 | - | 4.90 | 85,991 |
| Capitals Starting With T | 0 | - | 4.84 | 76,343 |
| Capitals Starting With W | 0 | - | 4.87 | 91,419 |
| Capitals Starting With A | 0 | - | 4.97 | 128,339 |
| Capitals Starting With B | 0 | - | 4.89 | 118,757 |
| Capitals Starting With D | 0 | - | 4.93 | 96,663 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,543 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,515 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,960 |
| American Cities by Stadium | 0 | - | 4.02 | 36,555 |
| City by Football Clubs | 0 | - | 4.38 | 138,146 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,636 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,018 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,337 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,449 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,194 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,062 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,447 |
| Former Capitals | 0 | - | 4.88 | 71,538 |
| Europe Capital to Country | 0 | - | 4.99 | 250,996 |
| Asia Capital to Country | 0 | - | 4.96 | 126,900 |
| Capital Cities Chain | 0 | - | 4.84 | 82,992 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,269 |
| European Capitals by Map | 0 | - | 4.99 | 140,120 |
| African Capitals by Map | 0 | - | 4.99 | 134,242 |
| Coldest World Capitals | 0 | - | 4.95 | 133,676 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,702 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,335 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,679 |
| European Coastal Capitals | 0 | - | 4.95 | 90,863 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,693 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,959 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,680 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,940 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,792 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,147 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,342 |
| Ancient City to Country | 0 | - | 4.70 | 108,159 |
| Official Cities in the UK | 0 | - | 4.89 | 284,690 |
| City-States | 0 | - | 4.53 | 37,314 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,357 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,728 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,995 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,215 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,159 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,564 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,625 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,255 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,986 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,838 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,721 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,765 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,236 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,564 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,378 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,057 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,743 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,749 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,366 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,260 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,247 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,321 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,268 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,571 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,628 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,535 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,295 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,005 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,243 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,441 |
| The Only Country ... | 0 | - | 4.91 | 81,453 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,045 |
| Boundary Waters | 0 | - | 4.92 | 88,600 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,270 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,324 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,886 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,548 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,552 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,821 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,165 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,585 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,446 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,527 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,269 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,084 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,296 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,475 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,939 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,849 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,804 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,538 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,313 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,319 |
| Cities by Airports | 0 | - | 4.47 | 102,068 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,161 |
| Cities Chain #2 | 0 | - | 4.42 | 56,437 |
| Cities Chain #1 | 0 | - | 4.61 | 66,694 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,875 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,254 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,703 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,195 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,196 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,418 |
| Capitals Starting With N | 0 | - | 4.80 | 51,354 |
| Capitals Starting With V | 0 | - | 4.79 | 38,319 |
| Capitals Starting With C | 0 | - | 4.78 | 98,243 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,619,573 |
| Landlocked Countries | 0 | - | 4.99 | 422,444 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,642 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,745 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,505 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,870 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,396 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,130 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,929 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,399 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,525 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,277 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,649 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,881 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,821 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,622 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,440 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,960 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,823 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,758 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,675 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,529 |
| Random European Capital to Country | 0 | - | 4.98 | 191,524 |
| Random European Country to Capital | 0 | - | 4.93 | 165,456 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,670 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,032 |
| Random African Capital to Country | 0 | - | 4.97 | 100,933 |
| Random African Country to Capital | 0 | - | 4.94 | 71,430 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,389 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,626 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,782,149 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,729 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,064 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,474 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,488 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,945 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,438 |
| Cities with the Same Name | 0 | - | 3.94 | 36,698 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,818 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,411 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,992 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,458 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,317 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,102 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,439 |
| Cities in European History #1 | 0 | - | 4.63 | 134,243 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,580 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,803 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| Most Guessed World Cities | 0 | - | 4.70 | 100,297 |
| Most Guessed Non-Capital Cities | 0 | - | 4.42 | 53,479 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,352 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,163 |
