| North American Sports Cities | 0 | - | 4.82 | 173,287 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,598 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,757 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,237 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,549 |
| FIFA World Cup Final Host Cities | 0 | - | 4.68 | 29,533 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,097 |
| City by Football Clubs | 0 | - | 4.38 | 138,502 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,495 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,544 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,079 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,340 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,426 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,367 |
| Countries by Capital City | 0 | - | 5.00 | 69,608 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,129 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,350 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,950 |
| Moved Capital Cities | 0 | - | 4.96 | 74,729 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,069 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,860 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,386 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,964 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,762 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,568 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,048 |
| Name a City - European Countries | 0 | - | 4.89 | 66,372 |
| Cities by Former Name | 0 | - | 4.83 | 92,172 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,974 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,905 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,978 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,036 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,959 |
| World Capitals by Map | 0 | - | 5.00 | 289,907 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,921 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,976 |
| Random Country to Capital | 0 | - | 4.98 | 929,889 |
| Capitals Starting With H | 0 | - | 4.91 | 93,439 |
| Capitals Starting With K | 0 | - | 4.89 | 84,501 |
| Capitals Starting With L | 0 | - | 4.81 | 96,076 |
| Capitals Starting With M | 0 | - | 4.94 | 109,355 |
| Capitals Starting With P | 0 | - | 4.88 | 79,117 |
| Capitals Starting With R | 0 | - | 4.89 | 82,600 |
| Capitals Starting With S | 0 | - | 4.90 | 86,687 |
| Capitals Starting With T | 0 | - | 4.86 | 76,936 |
| Capitals Starting With W | 0 | - | 4.87 | 91,793 |
| Capitals Starting With A | 0 | - | 4.97 | 129,266 |
| Capitals Starting With B | 0 | - | 4.89 | 119,636 |
| Capitals Starting With D | 0 | - | 4.94 | 97,308 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,922 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,803 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,340 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,782 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,148 |
| American Cities by Stadium | 0 | - | 4.02 | 36,602 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,239 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,828 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,665 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,053 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,326 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,811 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,690 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,969 |
| Former Capitals | 0 | - | 4.88 | 71,723 |
| Europe Capital to Country | 0 | - | 4.99 | 252,545 |
| Asia Capital to Country | 0 | - | 4.96 | 127,682 |
| Capital Cities Chain | 0 | - | 4.84 | 83,513 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,260 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,723 |
| European Capitals by Map | 0 | - | 4.99 | 142,497 |
| African Capitals by Map | 0 | - | 4.99 | 142,564 |
| Coldest World Capitals | 0 | - | 4.95 | 134,276 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,107 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,108 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,371 |
| European Coastal Capitals | 0 | - | 4.95 | 91,479 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,264 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,240 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,188 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,237 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,245 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,707 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,801 |
| Ancient City to Country | 0 | - | 4.72 | 108,397 |
| Official Cities in the UK | 0 | - | 4.89 | 286,828 |
| City-States | 0 | - | 4.53 | 37,435 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,543 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,858 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,471 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,302 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,245 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,352 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,604 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,934 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,291 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,225 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,565 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,619 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,355 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,305 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,784 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,481 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,899 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,485 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,215 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,792 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,635 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,655 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,546 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,056 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,007 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,860 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,682 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,111 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,332 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,810 |
| The Only Country ... | 0 | - | 4.91 | 82,038 |
| Capitals of the Stans | 0 | - | 4.95 | 27,227 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,550 |
| Boundary Waters | 0 | - | 4.92 | 88,832 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,465 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,825 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,542 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,059 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,053 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,594 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,649 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,305 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,208 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,608 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,105 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,766 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,252 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,410 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,778 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,472 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,012 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,948 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,519 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,003 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,679 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,511 |
| Cities by Airports | 0 | - | 4.48 | 104,149 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,488 |
| Cities Chain #2 | 0 | - | 4.42 | 56,547 |
| Cities Chain #1 | 0 | - | 4.61 | 66,864 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,024 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,381 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,205 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,359 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,297 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,505 |
| Capitals Starting With N | 0 | - | 4.80 | 51,991 |
| Capitals Starting With V | 0 | - | 4.80 | 38,719 |
| Capitals Starting With C | 0 | - | 4.78 | 99,147 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,963,773 |
| Landlocked Countries | 0 | - | 4.99 | 427,188 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,624 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,685 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,996 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,557 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,924 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,339 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,990 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,786 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,675 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,405 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,755 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,114 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,579 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,930 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,162 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,831 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,164 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,274 |
| Random European Capital to Country | 0 | - | 4.98 | 192,337 |
| Random European Country to Capital | 0 | - | 4.93 | 166,071 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,086 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,552 |
| Random African Capital to Country | 0 | - | 4.97 | 101,468 |
| Random African Country to Capital | 0 | - | 4.94 | 71,880 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,652 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,497 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,878 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,987 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,507 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,157 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,182 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,550 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,521 |
| Cities with the Same Name | 0 | - | 3.94 | 36,735 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,852 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,447 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,015 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,157 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,440 |
