| Countries with the Most Airports | 0 | - | 4.96 | 100,327 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,922,462 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,767 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,850 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,017 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,748 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,519 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,407 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,460 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,024 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,272 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,326 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,247 |
| Countries by Capital City | 0 | - | 5.00 | 69,512 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,939 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,283 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,882 |
| Moved Capital Cities | 0 | - | 4.96 | 74,692 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,129 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,970 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,494 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,514 |
| North American Sports Cities | 0 | - | 4.82 | 173,211 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,583 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,994 |
| Cities by Former Name | 0 | - | 4.83 | 92,118 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,956 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,010 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,901 |
| World Capitals by Map | 0 | - | 5.00 | 289,680 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,869 |
| Capitals Starting With H | 0 | - | 4.91 | 93,383 |
| Capitals Starting With K | 0 | - | 4.88 | 84,460 |
| Capitals Starting With M | 0 | - | 4.94 | 109,271 |
| Capitals Starting With P | 0 | - | 4.88 | 79,064 |
| Capitals Starting With R | 0 | - | 4.88 | 82,553 |
| Capitals Starting With S | 0 | - | 4.90 | 86,638 |
| Capitals Starting With T | 0 | - | 4.86 | 76,888 |
| Capitals Starting With W | 0 | - | 4.87 | 91,768 |
| Capitals Starting With A | 0 | - | 4.97 | 129,184 |
| Capitals Starting With B | 0 | - | 4.89 | 119,575 |
| Capitals Starting With D | 0 | - | 4.94 | 97,265 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,919 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,956 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 123,433 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,489 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,360 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,751 |
| Random Country to Capital | 0 | - | 4.98 | 929,109 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,325 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,758 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,121 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,233 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,890 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,164 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,804 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,571 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,990 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,612 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,171 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,739 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,629 |
| Former Capitals | 0 | - | 4.88 | 71,704 |
| Europe Capital to Country | 0 | - | 4.99 | 252,291 |
| Asia Capital to Country | 0 | - | 4.96 | 127,622 |
| Capital Cities Chain | 0 | - | 4.84 | 83,447 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,106 |
| European Capitals by Map | 0 | - | 4.99 | 142,300 |
| African Capitals by Map | 0 | - | 4.99 | 142,358 |
| Coldest World Capitals | 0 | - | 4.95 | 134,194 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,016 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,982 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,264 |
| European Coastal Capitals | 0 | - | 4.95 | 91,393 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,233 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,976 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,985 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,202 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,203 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,633 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,074 |
| World Currency Quiz | 0 | - | 4.92 | 307,136 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,187 |
| Cities by Famous Street | 0 | - | 3.96 | 48,382 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,189 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,298 |
| Boundary Waters | 0 | - | 4.92 | 88,803 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,764 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,029 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,632 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,192 |
| Ancient City to Country | 0 | - | 4.72 | 108,379 |
| Official Cities in the UK | 0 | - | 4.89 | 286,543 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,205 |
| City-States | 0 | - | 4.53 | 37,423 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,606 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,838 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,407 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,333 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,598 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,880 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,106 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,253 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,435 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,299 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,643 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,205 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,732 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,437 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,884 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,392 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,154 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,729 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,591 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,622 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,500 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,003 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,958 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,817 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,621 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,000 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,315 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,751 |
| The Only Country ... | 0 | - | 4.91 | 81,956 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,162 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,582 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,153 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,998 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,083 |
| Resort Towns by Country | 0 | - | 4.30 | 40,092 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,489 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,905 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,448 |
| Cities Chain #2 | 0 | - | 4.42 | 56,531 |
| Cities Chain #1 | 0 | - | 4.61 | 66,840 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,873 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,015 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,372 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,515 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,123 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,181 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,244 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,728 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,287 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,343 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,913 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,741 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,943 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,602 |
| Capitals Starting With L | 0 | - | 4.81 | 95,980 |
| Capitals Starting With N | 0 | - | 4.80 | 51,945 |
| Capitals Starting With V | 0 | - | 4.80 | 38,684 |
| Capitals Starting With C | 0 | - | 4.78 | 99,078 |
| Landlocked Countries | 0 | - | 4.99 | 426,596 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,118 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,532 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,954 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,448 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,068 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,097 |
| Famous Festivals | 0 | - | 3.71 | 20,254 |
| Cities with the Same Name | 0 | - | 3.94 | 36,731 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,846 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,442 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,013 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,555 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,920 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,169 |
| Cities by Initials | 0 | - | 4.12 | 24,640 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,772 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,656 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,386 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,733 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,081 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,511 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,852 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,472 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,123 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,823 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,124 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,136 |
| Random European Capital to Country | 0 | - | 4.98 | 192,244 |
| Random European Country to Capital | 0 | - | 4.93 | 165,987 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,049 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,512 |
| Random African Capital to Country | 0 | - | 4.97 | 101,401 |
| Random African Country to Capital | 0 | - | 4.95 | 71,801 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,429 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,571 |
| Himalayan Countries | 0 | - | 4.93 | 140,510 |
| Andean Countries | 0 | - | 4.94 | 85,632 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,766 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,233 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,322 |
