| North American Sports Cities | 0 | - | 4.82 | 173,298 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,605 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,105 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,805 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,376 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,520 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,563 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,087 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,354 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,448 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,394 |
| Countries by Capital City | 0 | - | 5.00 | 69,635 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,158 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,363 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,963 |
| Moved Capital Cities | 0 | - | 4.96 | 74,737 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,450 |
| FIFA World Cup Final Host Cities | 0 | - | 4.68 | 29,552 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,984 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,766 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,580 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,060 |
| Name a City - European Countries | 0 | - | 4.89 | 66,387 |
| Cities by Former Name | 0 | - | 4.83 | 92,183 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,988 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,046 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,970 |
| World Capitals by Map | 0 | - | 5.00 | 289,969 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,933 |
| Capitals Starting With H | 0 | - | 4.91 | 93,449 |
| Capitals Starting With K | 0 | - | 4.89 | 84,511 |
| Capitals Starting With L | 0 | - | 4.81 | 96,095 |
| Capitals Starting With M | 0 | - | 4.94 | 109,373 |
| Capitals Starting With P | 0 | - | 4.88 | 79,122 |
| Capitals Starting With R | 0 | - | 4.89 | 82,607 |
| Capitals Starting With S | 0 | - | 4.90 | 86,696 |
| Capitals Starting With T | 0 | - | 4.86 | 76,941 |
| Capitals Starting With W | 0 | - | 4.87 | 91,796 |
| Capitals Starting With A | 0 | - | 4.97 | 129,276 |
| Capitals Starting With B | 0 | - | 4.89 | 119,648 |
| Capitals Starting With D | 0 | - | 4.94 | 97,314 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,072 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,104 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,007 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,245 |
| Random Country to Capital | 0 | - | 4.98 | 930,114 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,340 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,791 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,152 |
| American Cities by Stadium | 0 | - | 4.02 | 36,602 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,241 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,815 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,986 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,835 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,677 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,072 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,353 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,827 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,697 |
| Former Capitals | 0 | - | 4.88 | 71,732 |
| Europe Capital to Country | 0 | - | 4.99 | 252,590 |
| Asia Capital to Country | 0 | - | 4.96 | 127,699 |
| Capital Cities Chain | 0 | - | 4.84 | 83,524 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,296 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,737 |
| European Capitals by Map | 0 | - | 4.99 | 142,561 |
| African Capitals by Map | 0 | - | 4.99 | 142,611 |
| Coldest World Capitals | 0 | - | 4.95 | 134,289 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,130 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,392 |
| European Coastal Capitals | 0 | - | 4.95 | 91,497 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,271 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,318 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,457 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,251 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,075 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,254 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,728 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,626 |
| Boundary Waters | 0 | - | 4.92 | 88,840 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,469 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,847 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,056 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,596 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,652 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,326 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,806 |
| Ancient City to Country | 0 | - | 4.72 | 108,400 |
| Official Cities in the UK | 0 | - | 4.89 | 286,879 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,210 |
| City-States | 0 | - | 4.53 | 37,437 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,611 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,547 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,859 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,484 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,303 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,356 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,605 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,944 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,292 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,235 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,634 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,653 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,371 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,725 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,334 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,797 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,491 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,901 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,504 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,228 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,811 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,649 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,665 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,556 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,069 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,016 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,873 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,699 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,151 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,335 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,822 |
| The Only Country ... | 0 | - | 4.91 | 82,051 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,973,126 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,522 |
| Cities by Airports | 0 | - | 4.48 | 104,160 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,498 |
| Cities Chain #2 | 0 | - | 4.42 | 56,548 |
| Cities Chain #1 | 0 | - | 4.61 | 66,868 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,057 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,124 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,389 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,823 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,284 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,209 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,435 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,792 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,298 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,506 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,499 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,032 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,976 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,534 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,013 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,692 |
| Capitals Starting With N | 0 | - | 4.80 | 51,997 |
| Capitals Starting With V | 0 | - | 4.80 | 38,725 |
| Capitals Starting With C | 0 | - | 4.78 | 99,163 |
| Landlocked Countries | 0 | - | 4.99 | 427,290 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,657 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,996 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,518 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,173 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,193 |
| Cities with the Same Name | 0 | - | 3.94 | 36,737 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,853 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,451 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,016 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,685 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,999 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,558 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,924 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| Cities by Initials | 0 | - | 4.12 | 24,648 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,991 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,793 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,681 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,410 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,755 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,121 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,596 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,939 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,168 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,832 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,179 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,312 |
| Random European Capital to Country | 0 | - | 4.98 | 192,354 |
| Random European Country to Capital | 0 | - | 4.93 | 166,081 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,089 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,586 |
| Random African Capital to Country | 0 | - | 4.97 | 101,488 |
| Random African Country to Capital | 0 | - | 4.94 | 71,885 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,521 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,937 |
| Himalayan Countries | 0 | - | 4.93 | 140,848 |
| Andean Countries | 0 | - | 4.94 | 85,811 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,927 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,501 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,698 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,805 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,975 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,452 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,924 |
| European Landlocked Countries | 0 | - | 4.99 | 147,770 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,544 |
