| Which City in Europe? | 0 | - | 4.83 | 106,552 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,273 |
| Which City in Canada? | 0 | - | 4.82 | 56,610 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,695 |
| European Cities by Clue | 0 | - | 4.70 | 88,769 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,433 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,889 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,035 |
| Which City in Africa? | 0 | - | 4.78 | 57,546 |
| Which City in Asia? | 0 | - | 4.51 | 51,081 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,210 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,579 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,746 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,759 |
| Which City in Latin America? | 0 | - | 4.63 | 46,821 |
| Which City in Australia? | 0 | - | 4.67 | 34,210 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,405 |
| Europe Capital to Country | 0 | - | 4.99 | 247,300 |
| Asia Capital to Country | 0 | - | 4.96 | 125,630 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,305 |
| European Capitals by Map | 0 | - | 4.99 | 135,964 |
| African Capitals by Map | 0 | - | 4.99 | 132,060 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,846 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,978 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,078 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,525 |
| European Coastal Capitals | 0 | - | 4.95 | 89,652 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,147 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,425 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,540 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,380 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,707 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,544 |
| Which City in Germany? | 0 | - | 4.50 | 134,884 |
| Which City in Italy? | 0 | - | 4.55 | 78,109 |
| Which City in France? | 0 | - | 4.64 | 72,353 |
| Which City in Spain? | 0 | - | 4.50 | 49,407 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,093 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,531 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,545 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,336 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,016 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,084 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,648 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,370 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,153 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,706 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,097 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,486 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,042 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,304 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,610 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,899 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,045 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,139 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,323 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,152 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,708 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,954 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,183 |
| Random European Capital to Country | 0 | - | 4.98 | 189,070 |
| Random European Country to Capital | 0 | - | 4.92 | 147,338 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,282 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,332 |
| Random African Capital to Country | 0 | - | 4.97 | 99,677 |
| Random African Country to Capital | 0 | - | 4.94 | 70,157 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,103 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,159 |
| Which City in the United States? | 0 | - | 4.21 | 56,629 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,313 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,589 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,153 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,820 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,572 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,521 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,484 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,236 |
| Countries by Capital City | 0 | - | 5.00 | 66,472 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,228 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,814 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,981 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,774 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,345 |
| Moved Capital Cities | 0 | - | 4.96 | 73,516 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,438 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,824 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,245 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,161 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,497 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,356 |
| Random Country to Capital | 0 | - | 4.98 | 910,575 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,224 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,483 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,439 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,538 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,692 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,642 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,347 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,406 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,657 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,421 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,949 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,064 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,645 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,573 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,287 |
| North American Sports Cities | 0 | - | 4.83 | 170,759 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,883 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,642 |
| Name a City - European Countries | 0 | - | 4.92 | 64,276 |
| Cities by Former Name | 0 | - | 4.84 | 90,879 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,641 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,188 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,789 |
| World Capitals by Map | 0 | - | 5.00 | 282,843 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,600 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,165 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,701 |
| Capitals Starting With H | 0 | - | 4.90 | 89,170 |
| Capitals Starting With K | 0 | - | 4.85 | 75,507 |
| Capitals Starting With M | 0 | - | 4.93 | 105,801 |
| Capitals Starting With P | 0 | - | 4.88 | 77,018 |
| Capitals Starting With R | 0 | - | 4.87 | 80,813 |
| Capitals Starting With S | 0 | - | 4.89 | 84,626 |
| Capitals Starting With T | 0 | - | 4.84 | 75,149 |
| Capitals Starting With W | 0 | - | 4.89 | 90,472 |
| Capitals Starting With A | 0 | - | 4.97 | 126,317 |
| Capitals Starting With B | 0 | - | 4.89 | 117,076 |
| Capitals Starting With D | 0 | - | 4.93 | 95,167 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,650 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,231 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,696 |
| Largest City by Island | 0 | - | 4.87 | 70,952 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,248 |
| Biggest European Cities by Century | 0 | - | 4.98 | 135,666 |
| Megacities on a World Map | 0 | - | 4.98 | 250,364 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,721 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,759 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,649 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,494 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,010 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,263 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,250 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,096 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,890 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,659 |
| Random European City to Country | 0 | - | 4.69 | 116,225 |
| Random Asian City to Country | 0 | - | 4.56 | 44,379 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,504 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,274 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,963 |
| Former Capitals | 0 | - | 4.88 | 71,092 |
| Capital Cities Chain | 0 | - | 4.84 | 81,809 |
| Coldest World Capitals | 0 | - | 4.95 | 132,985 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,698 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,881 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,304 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,059 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,775 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,553 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,103 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,511 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,287 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,461 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,666 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,344 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,222 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,136 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,060 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,540 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,449 |
| Official Cities in the UK | 0 | - | 4.89 | 280,180 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,010 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,091 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,043 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,680 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,087 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,584 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,042 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,257 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,021 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,269 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,131 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,657 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,798 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,798 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,868 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,362 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,399 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,990 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,395 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,570 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,000 |
| The Only Country ... | 0 | - | 4.91 | 79,727 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,253 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,518 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,598 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,309 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,938 |
| Name a Valid African Country | 0 | - | 4.98 | 152,821 |
