| Countries with the Most Airports | 0 | - | 4.96 | 99,921 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,758,081 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,072 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,113 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,737 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,563 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,449 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,020 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,943 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,829 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,010 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,955 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,836 |
| Countries by Capital City | 0 | - | 5.00 | 69,118 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,686 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,074 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,646 |
| Moved Capital Cities | 0 | - | 4.96 | 74,547 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,197 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,852 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,457 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,662 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| North American Sports Cities | 0 | - | 4.83 | 172,963 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,502 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,811 |
| Cities by Former Name | 0 | - | 4.83 | 91,919 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,614 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,895 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,656 |
| World Capitals by Map | 0 | - | 5.00 | 288,700 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,695 |
| Capitals Starting With H | 0 | - | 4.91 | 93,014 |
| Capitals Starting With K | 0 | - | 4.88 | 84,068 |
| Capitals Starting With L | 0 | - | 4.81 | 91,605 |
| Capitals Starting With M | 0 | - | 4.93 | 108,597 |
| Capitals Starting With P | 0 | - | 4.88 | 78,669 |
| Capitals Starting With R | 0 | - | 4.88 | 82,220 |
| Capitals Starting With S | 0 | - | 4.90 | 86,248 |
| Capitals Starting With T | 0 | - | 4.85 | 76,556 |
| Capitals Starting With W | 0 | - | 4.87 | 91,550 |
| Capitals Starting With A | 0 | - | 4.97 | 128,689 |
| Capitals Starting With B | 0 | - | 4.89 | 119,094 |
| Capitals Starting With D | 0 | - | 4.93 | 96,894 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,532 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,467 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,765 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,273 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,412 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,644 |
| Random Country to Capital | 0 | - | 4.98 | 925,734 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,297 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,634 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,038 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,650 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,050 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,713 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,267 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,734 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,095 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,508 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,442 |
| Former Capitals | 0 | - | 4.88 | 71,618 |
| Europe Capital to Country | 0 | - | 4.99 | 251,645 |
| Asia Capital to Country | 0 | - | 4.96 | 127,229 |
| Capital Cities Chain | 0 | - | 4.84 | 83,207 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,689 |
| European Capitals by Map | 0 | - | 4.99 | 141,512 |
| African Capitals by Map | 0 | - | 4.99 | 141,581 |
| Coldest World Capitals | 0 | - | 4.95 | 134,075 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,650 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,672 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,012 |
| European Coastal Capitals | 0 | - | 4.95 | 91,122 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,888 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,366 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,067 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,989 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,394 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,850 |
| World Currency Quiz | 0 | - | 4.92 | 305,760 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,167 |
| Cities by Famous Street | 0 | - | 3.96 | 48,370 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,172 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,203 |
| Boundary Waters | 0 | - | 4.92 | 88,694 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,350 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,517 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,970 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,568 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,593 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,605 |
| Ancient City to Country | 0 | - | 4.70 | 108,261 |
| Official Cities in the UK | 0 | - | 4.89 | 285,548 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,185 |
| City-States | 0 | - | 4.53 | 37,369 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,772 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,163 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,193 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,579 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,704 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,042 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,024 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,586 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,029 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,431 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,887 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,540 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,811 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,108 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,798 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,490 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,409 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,477 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,383 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,803 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,809 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,657 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,459 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,351 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,282 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,597 |
| The Only Country ... | 0 | - | 4.91 | 81,685 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,036 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,438 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,888 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,813 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,025 |
| Resort Towns by Country | 0 | - | 4.30 | 40,068 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,397 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,693 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,302 |
| Cities Chain #2 | 0 | - | 4.42 | 56,483 |
| Cities Chain #1 | 0 | - | 4.61 | 66,768 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,361 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,740 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,320 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,513 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,641 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,055 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,342 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,469 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,240 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,902 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,412 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,315 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,729 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Capitals Starting With N | 0 | - | 4.80 | 51,584 |
| Capitals Starting With V | 0 | - | 4.79 | 38,479 |
| Capitals Starting With C | 0 | - | 4.78 | 98,572 |
| Landlocked Countries | 0 | - | 4.99 | 424,161 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,061 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,341 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,837 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,253 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,761 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,783 |
| Famous Festivals | 0 | - | 3.71 | 20,242 |
| Cities with the Same Name | 0 | - | 3.94 | 36,714 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,832 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,430 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,000 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,657 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,530 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,893 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,149 |
| Cities by Initials | 0 | - | 4.12 | 24,621 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,448 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,386 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,323 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,695 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,987 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,204 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,734 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,962 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,881 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,807 |
| Random European Capital to Country | 0 | - | 4.98 | 191,865 |
| Random European Country to Capital | 0 | - | 4.93 | 165,684 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,889 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,281 |
| Random African Capital to Country | 0 | - | 4.97 | 101,166 |
| Random African Country to Capital | 0 | - | 4.94 | 71,634 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,017 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,490 |
| Himalayan Countries | 0 | - | 4.94 | 139,650 |
| Andean Countries | 0 | - | 4.94 | 85,122 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,310 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,547 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,877 |
