| European Capitals Ending in N | 0 | - | 4.92 | 81,216 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,792 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,475 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,652 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,768 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,538 |
| Europe Capital to Country | 0 | - | 4.99 | 249,749 |
| Asia Capital to Country | 0 | - | 4.96 | 126,538 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,699 |
| European Capitals by Map | 0 | - | 4.99 | 138,798 |
| African Capitals by Map | 0 | - | 4.99 | 133,503 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,174 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,953 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,299 |
| European Coastal Capitals | 0 | - | 4.95 | 90,454 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,526 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,455 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,706 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,776 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,944 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,720 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,355 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,342 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,941 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,080 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,846 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,751 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,113 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,205 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,395 |
| Capitals of the Stans | 0 | - | 4.95 | 26,787 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,947 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,954 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,036 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,285 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,339 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,048 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,735 |
| Countries by Capital City | 0 | - | 5.00 | 68,025 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,028 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,521 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,023 |
| Moved Capital Cities | 0 | - | 4.96 | 74,095 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,185 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,459 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,085 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,366 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,855 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,297 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,468 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,591 |
| Random European Capital to Country | 0 | - | 4.98 | 190,720 |
| Random European Country to Capital | 0 | - | 4.93 | 164,877 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,331 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,660 |
| Random African Capital to Country | 0 | - | 4.97 | 100,567 |
| Random African Country to Capital | 0 | - | 4.94 | 71,126 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,247 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,654 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,159 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,496 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,070 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,209 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,559 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,329 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,766 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,633 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,766 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,862 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,534 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,474 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,012 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,566 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,738 |
| North American Sports Cities | 0 | - | 4.83 | 172,140 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,277 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,543 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,292 |
| Name a City - European Countries | 0 | - | 4.90 | 65,269 |
| Cities by Former Name | 0 | - | 4.83 | 91,478 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,346 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,604 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,002 |
| World Capitals by Map | 0 | - | 5.00 | 285,808 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,208 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,046 |
| Random Country to Capital | 0 | - | 4.98 | 919,100 |
| Capitals Starting With H | 0 | - | 4.91 | 92,381 |
| Capitals Starting With K | 0 | - | 4.88 | 82,938 |
| Capitals Starting With L | 0 | - | 4.81 | 87,891 |
| Capitals Starting With M | 0 | - | 4.93 | 107,540 |
| Capitals Starting With P | 0 | - | 4.88 | 78,028 |
| Capitals Starting With R | 0 | - | 4.87 | 81,676 |
| Capitals Starting With S | 0 | - | 4.90 | 85,616 |
| Capitals Starting With T | 0 | - | 4.85 | 76,033 |
| Capitals Starting With W | 0 | - | 4.87 | 91,200 |
| Capitals Starting With A | 0 | - | 4.97 | 127,677 |
| Capitals Starting With B | 0 | - | 4.89 | 118,284 |
| Capitals Starting With D | 0 | - | 4.93 | 96,267 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,969 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,689 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,936 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,543 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,061 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,090 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,132 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,144 |
| Largest City by Island | 0 | - | 4.87 | 71,746 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,836 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,311 |
| Megacities on a World Map | 0 | - | 4.98 | 253,701 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,392 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,263 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,786 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,352 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,167 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,229 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,324 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,826 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,125 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,523 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,499 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,852 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,764 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,917 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,753 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,727 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,048 |
| Former Capitals | 0 | - | 4.88 | 71,401 |
| Capital Cities Chain | 0 | - | 4.83 | 82,583 |
| Coldest World Capitals | 0 | - | 4.95 | 133,501 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,446 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,757 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,890 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,907 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,981 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,740 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,930 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,049 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,208 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,863 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,886 |
| Ancient City to Country | 0 | - | 4.70 | 107,965 |
| Official Cities in the UK | 0 | - | 4.89 | 283,277 |
| City-States | 0 | - | 4.53 | 37,237 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,099 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,642 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,672 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,170 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,409 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,097 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,530 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,483 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,224 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,868 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,623 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,162 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,260 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,321 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,108 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,606 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,830 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,982 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,106 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,953 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,349 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,323 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,986 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,581 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,161 |
| The Only Country ... | 0 | - | 4.91 | 80,865 |
| Boundary Waters | 0 | - | 4.92 | 88,404 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,108 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,971 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,260 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,382 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,831 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,454 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,042 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,593 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,090 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,769 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,515 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,474 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,668 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,141 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,020 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,228 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,605 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,636 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,831 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,419 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,368 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,229 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,935 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,458 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,062 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,938 |
| Biggest City by Region | 0 | - | 4.50 | 36,139 |
