| North American Sports Cities | 0 | - | 4.82 | 173,290 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,603 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,777 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,789 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,262 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,507 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,556 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,085 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,348 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,440 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,376 |
| Countries by Capital City | 0 | - | 5.00 | 69,625 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,145 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,358 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,960 |
| Moved Capital Cities | 0 | - | 4.96 | 74,734 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,422 |
| FIFA World Cup Final Host Cities | 0 | - | 4.68 | 29,548 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,971 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,766 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,574 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,055 |
| Name a City - European Countries | 0 | - | 4.89 | 66,381 |
| Cities by Former Name | 0 | - | 4.83 | 92,181 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,983 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,042 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,964 |
| World Capitals by Map | 0 | - | 5.00 | 289,952 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,929 |
| Capitals Starting With H | 0 | - | 4.91 | 93,446 |
| Capitals Starting With K | 0 | - | 4.89 | 84,508 |
| Capitals Starting With L | 0 | - | 4.81 | 96,087 |
| Capitals Starting With M | 0 | - | 4.94 | 109,369 |
| Capitals Starting With P | 0 | - | 4.88 | 79,119 |
| Capitals Starting With R | 0 | - | 4.89 | 82,604 |
| Capitals Starting With S | 0 | - | 4.90 | 86,692 |
| Capitals Starting With T | 0 | - | 4.86 | 76,940 |
| Capitals Starting With W | 0 | - | 4.87 | 91,796 |
| Capitals Starting With A | 0 | - | 4.97 | 129,274 |
| Capitals Starting With B | 0 | - | 4.89 | 119,644 |
| Capitals Starting With D | 0 | - | 4.94 | 97,311 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,020 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,063 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,980 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,136 |
| Random Country to Capital | 0 | - | 4.98 | 929,996 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,340 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,786 |
| 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 | 47,240 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,810 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,981 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,835 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,673 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,065 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,346 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,825 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,696 |
| Former Capitals | 0 | - | 4.88 | 71,729 |
| Europe Capital to Country | 0 | - | 4.99 | 252,576 |
| Asia Capital to Country | 0 | - | 4.96 | 127,695 |
| Capital Cities Chain | 0 | - | 4.84 | 83,517 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,287 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,735 |
| European Capitals by Map | 0 | - | 4.99 | 142,532 |
| African Capitals by Map | 0 | - | 4.99 | 142,605 |
| Coldest World Capitals | 0 | - | 4.95 | 134,285 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,117 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,125 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,385 |
| European Coastal Capitals | 0 | - | 4.95 | 91,489 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,268 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,296 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,341 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,243 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,074 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,251 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,725 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,594 |
| Boundary Waters | 0 | - | 4.92 | 88,836 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,467 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,839 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,054 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,596 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,651 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,318 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,804 |
| Ancient City to Country | 0 | - | 4.72 | 108,400 |
| Official Cities in the UK | 0 | - | 4.89 | 286,859 |
| 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 | 54,546 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,859 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,480 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,303 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,355 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,605 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,941 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,292 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,234 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,615 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,647 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,365 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,720 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,322 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,793 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,489 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,901 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,498 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,221 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,805 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,644 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,664 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,551 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,061 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,009 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,870 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,691 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,136 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,334 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,816 |
| The Only Country ... | 0 | - | 4.91 | 82,047 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,969,623 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,518 |
| Cities by Airports | 0 | - | 4.48 | 104,155 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,493 |
| Cities Chain #2 | 0 | - | 4.42 | 56,547 |
| Cities Chain #1 | 0 | - | 4.61 | 66,867 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,039 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,119 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,387 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,801 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,270 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,208 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,429 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,788 |
| 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 | 134,490 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,026 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,968 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,528 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,009 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,684 |
| Capitals Starting With N | 0 | - | 4.80 | 51,995 |
| Capitals Starting With V | 0 | - | 4.80 | 38,724 |
| Capitals Starting With C | 0 | - | 4.78 | 99,156 |
| Landlocked Countries | 0 | - | 4.99 | 427,248 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,646 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,992 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,516 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,169 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,190 |
| Cities with the Same Name | 0 | - | 3.94 | 36,736 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,852 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,449 |
| 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 | 100,997 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,557 |
| 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 | 20,990 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,790 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,680 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,408 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,755 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,120 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,587 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,938 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,165 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,832 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,177 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,301 |
| Random European Capital to Country | 0 | - | 4.98 | 192,350 |
| Random European Country to Capital | 0 | - | 4.93 | 166,077 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,087 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,577 |
| Random African Capital to Country | 0 | - | 4.97 | 101,480 |
| Random African Country to Capital | 0 | - | 4.94 | 71,881 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,516 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,915 |
| Himalayan Countries | 0 | - | 4.93 | 140,831 |
| Andean Countries | 0 | - | 4.94 | 85,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,917 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,491 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,467 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,691 |
| Danube Countries | 0 | - | 4.97 | 72,559 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,801 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,971 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,443 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,917 |
| European Landlocked Countries | 0 | - | 4.99 | 147,741 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,539 |
