| European Capitals Ending in N | 0 | - | 4.92 | 80,796 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,139 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,474 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,141 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,578 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,925 |
| Europe Capital to Country | 0 | - | 4.99 | 247,996 |
| Asia Capital to Country | 0 | - | 4.96 | 125,789 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,516 |
| European Capitals by Map | 0 | - | 4.99 | 136,394 |
| African Capitals by Map | 0 | - | 4.99 | 132,229 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,181 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,235 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,661 |
| European Coastal Capitals | 0 | - | 4.95 | 89,804 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,204 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,901 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,925 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,434 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,590 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,422 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,969 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,689 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,440 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,159 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,202 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,735 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,484 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,321 |
| Capitals of the Stans | 0 | - | 4.95 | 26,426 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,821 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,423 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,984 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,676 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,629 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,667 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,493 |
| Countries by Capital City | 0 | - | 5.00 | 66,700 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,360 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,925 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,431 |
| Moved Capital Cities | 0 | - | 4.96 | 73,605 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,948 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,691 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,682 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,520 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,497 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,211 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,104 |
| Random European Capital to Country | 0 | - | 4.98 | 189,282 |
| Random European Country to Capital | 0 | - | 4.92 | 147,504 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,425 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,455 |
| Random African Capital to Country | 0 | - | 4.97 | 99,748 |
| Random African Country to Capital | 0 | - | 4.94 | 70,245 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,002 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,683 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,731 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,026 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,905 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,126 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,525 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,550 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,751 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,622 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,072 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,198 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,771 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,708 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,563 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,060 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,894 |
| North American Sports Cities | 0 | - | 4.83 | 170,942 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,927 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,022 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,763 |
| Name a City - European Countries | 0 | - | 4.92 | 64,449 |
| Cities by Former Name | 0 | - | 4.84 | 91,000 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,702 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,255 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,990 |
| World Capitals by Map | 0 | - | 5.00 | 283,303 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,695 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,453 |
| Random Country to Capital | 0 | - | 4.98 | 911,880 |
| Capitals Starting With H | 0 | - | 4.90 | 91,143 |
| Capitals Starting With K | 0 | - | 4.85 | 75,713 |
| Capitals Starting With L | 0 | - | 4.81 | 86,869 |
| Capitals Starting With M | 0 | - | 4.93 | 106,124 |
| Capitals Starting With P | 0 | - | 4.88 | 77,224 |
| Capitals Starting With R | 0 | - | 4.87 | 81,001 |
| Capitals Starting With S | 0 | - | 4.89 | 84,838 |
| Capitals Starting With T | 0 | - | 4.84 | 75,324 |
| Capitals Starting With W | 0 | - | 4.89 | 90,632 |
| Capitals Starting With A | 0 | - | 4.97 | 126,585 |
| Capitals Starting With B | 0 | - | 4.89 | 117,331 |
| Capitals Starting With D | 0 | - | 4.93 | 95,420 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,807 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,288 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,648 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,859 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,560 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,897 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,541 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,882 |
| Largest City by Island | 0 | - | 4.87 | 71,069 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,403 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,898 |
| Megacities on a World Map | 0 | - | 4.98 | 251,058 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,412 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,815 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,895 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,815 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,191 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,145 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,119 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,594 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,028 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,326 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,387 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,227 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,191 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,876 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,724 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,365 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,255 |
| Former Capitals | 0 | - | 4.88 | 71,153 |
| Capital Cities Chain | 0 | - | 4.84 | 81,947 |
| Coldest World Capitals | 0 | - | 4.95 | 133,062 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,820 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,022 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,404 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,242 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,073 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,407 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,578 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,152 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,541 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,312 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,024 |
| Ancient City to Country | 0 | - | 4.70 | 107,631 |
| Official Cities in the UK | 0 | - | 4.89 | 280,677 |
| City-States | 0 | - | 4.53 | 37,110 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,799 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,487 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,118 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,053 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,825 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,969 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,468 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,121 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,158 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,693 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,304 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,037 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,431 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,161 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,781 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 78,417 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,691 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,604 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,730 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,823 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,904 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,942 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,489 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,261 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,039 |
| The Only Country ... | 0 | - | 4.91 | 79,932 |
| Boundary Waters | 0 | - | 4.92 | 88,061 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,826 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,314 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,335 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,861 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,546 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,130 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,539 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,632 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,831 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,584 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,416 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,338 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,546 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,094 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,553 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,249 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,031 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,432 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,791 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,562 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,315 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,557 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,686 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,246 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,942 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,912 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,715 |
| Biggest City by Region | 0 | - | 4.50 | 36,003 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,909 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,023 |
