| Countries with the Most Airports | 0 | - | 4.96 | 99,049 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,529,914 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,363 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,776 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,793 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,042 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,172 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,330 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,415 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,489 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,599 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,358 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,174 |
| Countries by Capital City | 0 | - | 5.00 | 68,476 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,269 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,745 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,311 |
| Moved Capital Cities | 0 | - | 4.96 | 74,282 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,798 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,634 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,359 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,506 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,973 |
| North American Sports Cities | 0 | - | 4.83 | 172,525 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,363 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,471 |
| Cities by Former Name | 0 | - | 4.83 | 91,638 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,439 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,713 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,313 |
| World Capitals by Map | 0 | - | 5.00 | 287,111 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,399 |
| Capitals Starting With H | 0 | - | 4.91 | 92,655 |
| Capitals Starting With K | 0 | - | 4.88 | 83,682 |
| Capitals Starting With L | 0 | - | 4.81 | 88,184 |
| Capitals Starting With M | 0 | - | 4.93 | 107,956 |
| Capitals Starting With P | 0 | - | 4.88 | 78,286 |
| Capitals Starting With R | 0 | - | 4.87 | 81,924 |
| Capitals Starting With S | 0 | - | 4.90 | 85,889 |
| Capitals Starting With T | 0 | - | 4.85 | 76,242 |
| Capitals Starting With W | 0 | - | 4.87 | 91,357 |
| Capitals Starting With A | 0 | - | 4.97 | 128,190 |
| Capitals Starting With B | 0 | - | 4.89 | 118,618 |
| Capitals Starting With D | 0 | - | 4.93 | 96,549 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,005 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,700 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 121,668 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,745 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,944 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,097 |
| Random Country to Capital | 0 | - | 4.98 | 921,721 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,250 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,434 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,915 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,160 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,310 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,825 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,840 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,083 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,292 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,260 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,000 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,885 |
| Former Capitals | 0 | - | 4.88 | 71,494 |
| Europe Capital to Country | 0 | - | 4.99 | 250,608 |
| Asia Capital to Country | 0 | - | 4.96 | 126,758 |
| Capital Cities Chain | 0 | - | 4.83 | 82,846 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,045 |
| European Capitals by Map | 0 | - | 4.99 | 139,619 |
| African Capitals by Map | 0 | - | 4.99 | 134,042 |
| Coldest World Capitals | 0 | - | 4.95 | 133,609 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,548 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,193 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,533 |
| European Coastal Capitals | 0 | - | 4.95 | 90,711 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,632 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,418 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,277 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,879 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,673 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,010 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,517 |
| World Currency Quiz | 0 | - | 4.92 | 303,698 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,130 |
| Cities by Famous Street | 0 | - | 3.96 | 48,332 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,142 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,056 |
| Boundary Waters | 0 | - | 4.92 | 88,517 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,216 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,191 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,838 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,538 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,528 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,236 |
| Ancient City to Country | 0 | - | 4.70 | 108,089 |
| Official Cities in the UK | 0 | - | 4.89 | 284,188 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,155 |
| City-States | 0 | - | 4.53 | 37,286 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,576 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,700 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,881 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,132 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,553 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,571 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,245 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,957 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,994 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,237 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,127 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,421 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,264 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,923 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,704 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,550 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,084 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,115 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,158 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,238 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,212 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,476 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,530 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,474 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,143 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,758 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,208 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,351 |
| The Only Country ... | 0 | - | 4.91 | 81,283 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,836 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,153 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,486 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,552 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Resort Towns by Country | 0 | - | 4.30 | 40,026 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,272 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,324 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,077 |
| Cities Chain #2 | 0 | - | 4.42 | 56,414 |
| Cities Chain #1 | 0 | - | 4.61 | 66,658 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,562 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,272 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,225 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,684 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,044 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,643 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,903 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,187 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,168 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,232 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,743 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,551 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,433 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,235 |
| Capitals Starting With N | 0 | - | 4.80 | 51,274 |
| Capitals Starting With V | 0 | - | 4.79 | 38,249 |
| Capitals Starting With C | 0 | - | 4.79 | 98,083 |
| Landlocked Countries | 0 | - | 4.99 | 421,312 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,943 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,031 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,669 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,948 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,306 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,309 |
| Famous Festivals | 0 | - | 3.71 | 20,228 |
| Cities with the Same Name | 0 | - | 3.94 | 36,686 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,813 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,402 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,987 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,628 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,447 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,789 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,117 |
| Cities by Initials | 0 | - | 4.12 | 24,581 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,366 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,504 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,239 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,620 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,825 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,615 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,560 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,434 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,734 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,587 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,302 |
| Random European Capital to Country | 0 | - | 4.98 | 191,062 |
| Random European Country to Capital | 0 | - | 4.93 | 165,278 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,537 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,852 |
| Random African Capital to Country | 0 | - | 4.97 | 100,800 |
| Random African Country to Capital | 0 | - | 4.94 | 71,323 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,427 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,123 |
| Himalayan Countries | 0 | - | 4.95 | 138,422 |
| Andean Countries | 0 | - | 4.93 | 84,435 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,647 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,601 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,276 |
