| Countries with the Most Airports | 0 | - | 4.96 | 99,169 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,568,849 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,193 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,099 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,090 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,096 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,191 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,411 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,489 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,524 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,646 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,455 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,260 |
| Countries by Capital City | 0 | - | 5.00 | 68,589 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,343 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,787 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,370 |
| Moved Capital Cities | 0 | - | 4.96 | 74,322 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,007 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,660 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,369 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,523 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,035 |
| North American Sports Cities | 0 | - | 4.83 | 172,601 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,378 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,518 |
| Cities by Former Name | 0 | - | 4.83 | 91,693 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,466 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,739 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,365 |
| World Capitals by Map | 0 | - | 5.00 | 287,301 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,440 |
| Capitals Starting With H | 0 | - | 4.91 | 92,698 |
| Capitals Starting With K | 0 | - | 4.88 | 83,742 |
| Capitals Starting With L | 0 | - | 4.81 | 88,225 |
| Capitals Starting With M | 0 | - | 4.93 | 108,023 |
| Capitals Starting With P | 0 | - | 4.88 | 78,326 |
| Capitals Starting With R | 0 | - | 4.87 | 81,961 |
| Capitals Starting With S | 0 | - | 4.90 | 85,931 |
| Capitals Starting With T | 0 | - | 4.84 | 76,286 |
| Capitals Starting With W | 0 | - | 4.87 | 91,382 |
| Capitals Starting With A | 0 | - | 4.97 | 128,255 |
| Capitals Starting With B | 0 | - | 4.89 | 118,677 |
| Capitals Starting With D | 0 | - | 4.93 | 96,604 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,073 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,837 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,851 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,447 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,399 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,084 |
| Random Country to Capital | 0 | - | 4.98 | 922,431 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,255 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,467 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,931 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,169 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,382 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,858 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,612 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,914 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,142 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,437 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,342 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,055 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,918 |
| Former Capitals | 0 | - | 4.88 | 71,509 |
| Europe Capital to Country | 0 | - | 4.99 | 250,785 |
| Asia Capital to Country | 0 | - | 4.96 | 126,834 |
| Capital Cities Chain | 0 | - | 4.83 | 82,912 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,151 |
| European Capitals by Map | 0 | - | 4.99 | 139,851 |
| African Capitals by Map | 0 | - | 4.99 | 134,108 |
| Coldest World Capitals | 0 | - | 4.95 | 133,643 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,603 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,262 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,592 |
| European Coastal Capitals | 0 | - | 4.95 | 90,776 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,656 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,705 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,444 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,904 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,735 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,079 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,581 |
| World Currency Quiz | 0 | - | 4.92 | 304,024 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,136 |
| Cities by Famous Street | 0 | - | 3.96 | 48,339 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,146 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,079 |
| Boundary Waters | 0 | - | 4.92 | 88,556 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,235 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,250 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,859 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,543 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,541 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,542 |
| Ancient City to Country | 0 | - | 4.70 | 108,122 |
| Official Cities in the UK | 0 | - | 4.89 | 284,394 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,162 |
| City-States | 0 | - | 4.53 | 37,302 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,579 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,711 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,939 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,145 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,560 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,594 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,249 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,972 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,314 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,471 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,677 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,183 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,485 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,314 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,998 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,723 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,629 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,192 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,179 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,198 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,269 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,236 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,532 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,573 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,499 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,216 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,872 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,223 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,382 |
| The Only Country ... | 0 | - | 4.91 | 81,357 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,871 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,178 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,558 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,585 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,932 |
| Resort Towns by Country | 0 | - | 4.30 | 40,031 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,295 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,394 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,114 |
| Cities Chain #2 | 0 | - | 4.42 | 56,423 |
| Cities Chain #1 | 0 | - | 4.61 | 66,674 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,696 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,347 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,238 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,083 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,147 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,672 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,968 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,220 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,177 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,348 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,839 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,648 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,484 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,276 |
| Capitals Starting With N | 0 | - | 4.80 | 51,311 |
| Capitals Starting With V | 0 | - | 4.79 | 38,276 |
| Capitals Starting With C | 0 | - | 4.78 | 98,159 |
| Landlocked Countries | 0 | - | 4.99 | 421,776 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,956 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,670 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,084 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,697 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,001 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,391 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,397 |
| Famous Festivals | 0 | - | 3.71 | 20,234 |
| Cities with the Same Name | 0 | - | 3.94 | 36,694 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,816 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,407 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,991 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,634 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,493 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,862 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,128 |
| Cities by Initials | 0 | - | 4.12 | 24,583 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,380 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,513 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,257 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,634 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,851 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,720 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,581 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,437 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,763 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,743 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,636 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,416 |
| Random European Capital to Country | 0 | - | 4.98 | 191,166 |
| Random European Country to Capital | 0 | - | 4.93 | 165,347 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,574 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,920 |
| Random African Capital to Country | 0 | - | 4.97 | 100,848 |
| Random African Country to Capital | 0 | - | 4.94 | 71,352 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,501 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,356 |
| Himalayan Countries | 0 | - | 4.95 | 138,637 |
| Andean Countries | 0 | - | 4.93 | 84,562 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,752 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,752 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,382 |
