| Summer Olympic City Bids | 0 | - | 4.94 | 42,497 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,869 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,046 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,666 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,993 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,908 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,802 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,989 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,926 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,801 |
| Countries by Capital City | 0 | - | 5.00 | 69,083 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,651 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,057 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,633 |
| Moved Capital Cities | 0 | - | 4.96 | 74,524 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,101 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,665 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,278 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,791 |
| Cities by Former Name | 0 | - | 4.83 | 91,901 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,599 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,878 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,625 |
| World Capitals by Map | 0 | - | 5.00 | 288,591 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,675 |
| Capitals Starting With H | 0 | - | 4.91 | 92,918 |
| Capitals Starting With K | 0 | - | 4.88 | 83,971 |
| Capitals Starting With L | 0 | - | 4.81 | 88,428 |
| Capitals Starting With M | 0 | - | 4.93 | 108,402 |
| Capitals Starting With P | 0 | - | 4.88 | 78,543 |
| Capitals Starting With R | 0 | - | 4.87 | 82,141 |
| Capitals Starting With S | 0 | - | 4.90 | 86,133 |
| Capitals Starting With T | 0 | - | 4.85 | 76,468 |
| Capitals Starting With W | 0 | - | 4.87 | 91,491 |
| Capitals Starting With A | 0 | - | 4.97 | 128,558 |
| Capitals Starting With B | 0 | - | 4.89 | 118,953 |
| Capitals Starting With D | 0 | - | 4.93 | 96,821 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,060 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,123 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,323 |
| Random Country to Capital | 0 | - | 4.98 | 925,501 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,624 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,031 |
| American Cities by Stadium | 0 | - | 4.02 | 36,571 |
| City by Football Clubs | 0 | - | 4.38 | 138,271 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,209 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,645 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,632 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,700 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,712 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,790 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,489 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,419 |
| Former Capitals | 0 | - | 4.88 | 71,610 |
| Europe Capital to Country | 0 | - | 4.99 | 251,581 |
| Asia Capital to Country | 0 | - | 4.96 | 127,203 |
| Capital Cities Chain | 0 | - | 4.84 | 83,184 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,653 |
| European Capitals by Map | 0 | - | 4.99 | 141,422 |
| African Capitals by Map | 0 | - | 4.99 | 141,433 |
| Coldest World Capitals | 0 | - | 4.95 | 134,063 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,608 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,642 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,984 |
| European Coastal Capitals | 0 | - | 4.95 | 91,094 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,073 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,760 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,302 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,964 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,365 |
| Boundary Waters | 0 | - | 4.92 | 88,685 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,344 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,500 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,966 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,565 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,590 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,526 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,545 |
| Ancient City to Country | 0 | - | 4.70 | 108,251 |
| Official Cities in the UK | 0 | - | 4.89 | 285,471 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,183 |
| City-States | 0 | - | 4.53 | 37,364 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,439 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,770 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,150 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,235 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,188 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,578 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,697 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,038 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,889 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,469 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,984 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,405 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,847 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,520 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,802 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,087 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,763 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,461 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,389 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,465 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,375 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,777 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,789 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,642 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,441 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,312 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,280 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,580 |
| The Only Country ... | 0 | - | 4.91 | 81,663 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,196 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,745,099 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,391 |
| Cities by Airports | 0 | - | 4.47 | 103,772 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,283 |
| Cities Chain #2 | 0 | - | 4.42 | 56,476 |
| Cities Chain #1 | 0 | - | 4.61 | 66,760 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,317 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,706 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,313 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,396 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,607 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,038 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,323 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,454 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,235 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,454 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,867 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,388 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,270 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,716 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,442 |
| Capitals Starting With N | 0 | - | 4.80 | 51,494 |
| Capitals Starting With V | 0 | - | 4.79 | 38,425 |
| Capitals Starting With C | 0 | - | 4.78 | 98,469 |
| Landlocked Countries | 0 | - | 4.99 | 423,995 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,826 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,233 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,732 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,752 |
| Cities with the Same Name | 0 | - | 3.94 | 36,711 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,829 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,429 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,000 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,654 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,837 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,528 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,889 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,145 |
| Cities by Initials | 0 | - | 4.12 | 24,620 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,444 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,329 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,319 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,690 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,980 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,157 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,721 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,458 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,860 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,769 |
| Random European Capital to Country | 0 | - | 4.98 | 191,840 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,878 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,269 |
| Random African Capital to Country | 0 | - | 4.97 | 101,146 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,986 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,417 |
| Himalayan Countries | 0 | - | 4.94 | 139,586 |
| Andean Countries | 0 | - | 4.94 | 85,087 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,280 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,502 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,844 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,141 |
| Danube Countries | 0 | - | 4.97 | 72,224 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,336 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,650 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,743 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,248 |
| European Landlocked Countries | 0 | - | 4.99 | 147,399 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,007 |
| Countries with the Most Species | 0 | - | 4.99 | 103,434 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,130 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,690 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,800 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,711 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,443 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,858 |
| Countries in the Alps | 0 | - | 4.87 | 118,508 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,123 |
