| World Capitals Quiz | 0 | - | 5.00 | 5,095,923 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,709 |
| Former Capitals | 0 | - | 4.88 | 71,611 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,908 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,804 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,991 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,926 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,806 |
| Countries by Capital City | 0 | - | 5.00 | 69,084 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,653 |
| 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 with a Unique First Letter | 0 | - | 4.82 | 75,744 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,110 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,282 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,072 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,130 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,599 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,880 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,628 |
| World Capitals by Map | 0 | - | 5.00 | 288,597 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,675 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,347 |
| Random Country to Capital | 0 | - | 4.98 | 925,529 |
| Capitals Starting With H | 0 | - | 4.91 | 92,918 |
| Capitals Starting With K | 0 | - | 4.88 | 83,972 |
| Capitals Starting With L | 0 | - | 4.81 | 88,430 |
| Capitals Starting With M | 0 | - | 4.93 | 108,403 |
| Capitals Starting With P | 0 | - | 4.88 | 78,544 |
| Capitals Starting With R | 0 | - | 4.87 | 82,141 |
| Capitals Starting With S | 0 | - | 4.90 | 86,135 |
| Capitals Starting With T | 0 | - | 4.85 | 76,470 |
| Capitals Starting With W | 0 | - | 4.87 | 91,491 |
| Capitals Starting With A | 0 | - | 4.97 | 128,559 |
| Capitals Starting With B | 0 | - | 4.89 | 118,955 |
| Capitals Starting With D | 0 | - | 4.93 | 96,821 |
| Europe Capital to Country | 0 | - | 4.99 | 251,585 |
| Asia Capital to Country | 0 | - | 4.96 | 127,203 |
| Capital Cities Chain | 0 | - | 4.84 | 83,186 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,655 |
| European Capitals by Map | 0 | - | 4.99 | 141,428 |
| African Capitals by Map | 0 | - | 4.99 | 141,465 |
| Coldest World Capitals | 0 | - | 4.95 | 134,065 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,610 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,644 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,988 |
| European Coastal Capitals | 0 | - | 4.95 | 91,097 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,074 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,760 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,305 |
| 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 | 91,367 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,511 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,898 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,697 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,475 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,984 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,848 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,521 |
| 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 | 127,088 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,467 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,375 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,778 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,790 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,642 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,442 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,313 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,280 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,581 |
| Capitals of the Stans | 0 | - | 4.95 | 27,058 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,578 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,040 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,768 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,465 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,390 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,994 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,454 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,868 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,388 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,273 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,120 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,716 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,446 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,335 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,319 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,235 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,690 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,981 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,159 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,454 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,722 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,458 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,861 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,770 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,482 |
| Capitals Starting With N | 0 | - | 4.80 | 51,495 |
| Capitals Starting With V | 0 | - | 4.79 | 38,427 |
| Capitals Starting With C | 0 | - | 4.78 | 98,471 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,632 |
| North American Sports Cities | 0 | - | 4.83 | 172,945 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,497 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,792 |
| Name a City - European Countries | 0 | - | 4.90 | 65,952 |
| Name a Valid World City | 0 | - | 4.84 | 71,743 |
| Cities by Former Name | 0 | - | 4.83 | 91,905 |
| Cities in European History #1 | 0 | - | 4.63 | 134,437 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,370 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,463 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,436 |
| Capital City Etymologies | 0 | - | 4.77 | 63,466 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,152 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,278 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,222 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,232 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,151 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,316 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,988 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,718 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,084 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,430 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,744 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,598 |
| 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 | 73,032 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,701 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,252 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,715 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,048 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,792 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,490 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,420 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,632 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,055 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,550 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,820 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,095 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,546 |
| Ancient City to Country | 0 | - | 4.70 | 108,251 |
| Official Cities in the UK | 0 | - | 4.89 | 285,476 |
| City-States | 0 | - | 4.53 | 37,364 |
| 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 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,327 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,863 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,189 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,528 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,060 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,071 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,245 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,345 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,445 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,427 |
| Capitals by River | 0 | - | 4.55 | 48,367 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,159 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,310 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,905 |
| The Only Country ... | 0 | - | 4.91 | 81,668 |
| 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 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,079 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,806 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,807 |
| 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 | 53,528 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,183 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,707 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,412 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,612 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,324 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,578 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,391 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,665 |
| Cities by Airports | 0 | - | 4.47 | 103,775 |
| 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 | 66,761 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,319 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,313 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,041 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,231 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,246 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,879 |
