| Countries with the Most Airports | 0 | - | 4.96 | 100,439 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,958,638 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,811 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,961 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,280 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,796 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,540 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,492 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,538 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,075 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,329 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,412 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,354 |
| Countries by Capital City | 0 | - | 5.00 | 69,591 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,120 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,342 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,938 |
| Moved Capital Cities | 0 | - | 4.96 | 74,725 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,358 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,991 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,503 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,759 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,562 |
| North American Sports Cities | 0 | - | 4.82 | 173,273 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,596 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,039 |
| Cities by Former Name | 0 | - | 4.83 | 92,171 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,975 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,034 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,952 |
| World Capitals by Map | 0 | - | 5.00 | 289,874 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,917 |
| Capitals Starting With H | 0 | - | 4.91 | 93,430 |
| Capitals Starting With K | 0 | - | 4.88 | 84,493 |
| Capitals Starting With L | 0 | - | 4.81 | 96,067 |
| Capitals Starting With M | 0 | - | 4.94 | 109,343 |
| Capitals Starting With P | 0 | - | 4.88 | 79,113 |
| Capitals Starting With R | 0 | - | 4.88 | 82,595 |
| Capitals Starting With S | 0 | - | 4.90 | 86,682 |
| Capitals Starting With T | 0 | - | 4.86 | 76,932 |
| Capitals Starting With W | 0 | - | 4.87 | 91,786 |
| Capitals Starting With A | 0 | - | 4.97 | 129,253 |
| Capitals Starting With B | 0 | - | 4.89 | 119,626 |
| Capitals Starting With D | 0 | - | 4.94 | 97,303 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 137,010 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 127,064 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,603 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,930 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,831 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,876 |
| Random Country to Capital | 0 | - | 4.98 | 929,808 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,338 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,776 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,147 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,238 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,965 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,200 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,826 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,656 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,048 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,742 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,311 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,798 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,682 |
| Former Capitals | 0 | - | 4.88 | 71,721 |
| Europe Capital to Country | 0 | - | 4.99 | 252,518 |
| Asia Capital to Country | 0 | - | 4.96 | 127,679 |
| Capital Cities Chain | 0 | - | 4.84 | 83,502 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,242 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,706 |
| European Capitals by Map | 0 | - | 4.99 | 142,463 |
| African Capitals by Map | 0 | - | 4.99 | 142,547 |
| Coldest World Capitals | 0 | - | 4.95 | 134,267 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,094 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,359 |
| European Coastal Capitals | 0 | - | 4.95 | 91,472 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,201 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,154 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,239 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,702 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,116 |
| World Currency Quiz | 0 | - | 4.92 | 307,460 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,188 |
| Cities by Famous Street | 0 | - | 3.96 | 48,389 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,192 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,314 |
| Boundary Waters | 0 | - | 4.92 | 88,828 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,457 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,817 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,048 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,593 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,649 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,294 |
| Ancient City to Country | 0 | - | 4.72 | 108,395 |
| Official Cities in the UK | 0 | - | 4.89 | 286,794 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,207 |
| City-States | 0 | - | 4.53 | 37,435 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,608 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,857 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,460 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,350 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,604 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,925 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,291 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,224 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,548 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,606 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,351 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,292 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,774 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,475 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,897 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,474 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,211 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,781 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,632 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,540 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,053 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,003 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,857 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,672 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,091 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,331 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,805 |
| The Only Country ... | 0 | - | 4.91 | 82,027 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,197 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,617 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,226 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,041 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,096 |
| Resort Towns by Country | 0 | - | 4.30 | 40,098 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,509 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,953 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,484 |
| Cities Chain #2 | 0 | - | 4.42 | 56,544 |
| Cities Chain #1 | 0 | - | 4.61 | 66,862 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,009 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,099 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,381 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,742 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,235 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,202 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,370 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,770 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,297 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,451 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,007 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,927 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,994 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,675 |
| Capitals Starting With N | 0 | - | 4.80 | 51,983 |
| Capitals Starting With V | 0 | - | 4.80 | 38,714 |
| Capitals Starting With C | 0 | - | 4.78 | 99,134 |
| Landlocked Countries | 0 | - | 4.99 | 427,127 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,129 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,578 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,980 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,499 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,139 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,174 |
| Famous Festivals | 0 | - | 3.71 | 20,255 |
| Cities with the Same Name | 0 | - | 3.94 | 36,735 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,851 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,447 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,015 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,684 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,557 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,923 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,175 |
| Cities by Initials | 0 | - | 4.12 | 24,646 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,786 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,672 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,404 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,753 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,110 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,573 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,926 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,161 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,831 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,162 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,261 |
| Random European Capital to Country | 0 | - | 4.98 | 192,327 |
| Random European Country to Capital | 0 | - | 4.93 | 166,065 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,084 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,546 |
| Random African Capital to Country | 0 | - | 4.97 | 101,453 |
| Random African Country to Capital | 0 | - | 4.94 | 71,877 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,477 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,864 |
| Himalayan Countries | 0 | - | 4.93 | 140,774 |
| Andean Countries | 0 | - | 4.94 | 85,771 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,894 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,461 |
