| World Capitals Quiz | 0 | - | 5.00 | 5,099,140 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,837 |
| Former Capitals | 0 | - | 4.88 | 71,628 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,162 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,860 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,052 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,022 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,924 |
| Countries by Capital City | 0 | - | 5.00 | 69,182 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,721 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,096 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,692 |
| Moved Capital Cities | 0 | - | 4.96 | 74,572 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,763 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,319 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,686 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,333 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,635 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,916 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,695 |
| World Capitals by Map | 0 | - | 5.00 | 288,878 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,738 |
| Capitals Starting With H | 0 | - | 4.91 | 93,176 |
| Capitals Starting With K | 0 | - | 4.88 | 84,251 |
| Capitals Starting With L | 0 | - | 4.79 | 94,369 |
| Capitals Starting With M | 0 | - | 4.93 | 108,892 |
| Capitals Starting With P | 0 | - | 4.88 | 78,840 |
| Capitals Starting With R | 0 | - | 4.88 | 82,381 |
| Capitals Starting With S | 0 | - | 4.90 | 86,414 |
| Capitals Starting With T | 0 | - | 4.85 | 76,712 |
| Capitals Starting With W | 0 | - | 4.87 | 91,642 |
| Capitals Starting With A | 0 | - | 4.97 | 128,895 |
| Capitals Starting With B | 0 | - | 4.89 | 119,294 |
| Capitals Starting With D | 0 | - | 4.93 | 97,041 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,597 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,714 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,249 |
| Random Country to Capital | 0 | - | 4.98 | 926,314 |
| Europe Capital to Country | 0 | - | 4.99 | 251,755 |
| Asia Capital to Country | 0 | - | 4.96 | 127,268 |
| Capital Cities Chain | 0 | - | 4.84 | 83,243 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,752 |
| European Capitals by Map | 0 | - | 4.99 | 141,684 |
| African Capitals by Map | 0 | - | 4.99 | 141,761 |
| Coldest World Capitals | 0 | - | 4.95 | 134,095 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,754 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,710 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,042 |
| European Coastal Capitals | 0 | - | 4.95 | 91,168 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,105 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,052 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,465 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,091 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,037 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,434 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,680 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,581 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,720 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,275 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,052 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,250 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,710 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,095 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,458 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,942 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,579 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,293 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,823 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,151 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,909 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,536 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,449 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,495 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,400 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,830 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,830 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,691 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,483 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,611 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,286 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,624 |
| Capitals of the Stans | 0 | - | 4.95 | 27,085 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,087 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,508 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,962 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,511 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,383 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,182 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,759 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,480 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,465 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,329 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,246 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,702 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,009 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,466 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,793 |
| Capitals Starting With N | 0 | - | 4.80 | 51,739 |
| Capitals Starting With V | 0 | - | 4.79 | 38,554 |
| Capitals Starting With C | 0 | - | 4.78 | 98,763 |
| North American Sports Cities | 0 | - | 4.83 | 173,005 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,517 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,835 |
| Name a City - European Countries | 0 | - | 4.90 | 66,013 |
| Name a Valid World City | 0 | - | 4.84 | 71,828 |
| Cities by Former Name | 0 | - | 4.83 | 91,949 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,250 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,754 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,945 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,864 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,500 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,687 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,302 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,658 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,051 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,213 |
| Cities in European History #1 | 0 | - | 4.63 | 134,500 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,704 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,444 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,469 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,473 |
| Capital City Etymologies | 0 | - | 4.77 | 63,482 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,180 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,302 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,287 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,240 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,245 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,352 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,038 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,779 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,444 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,117 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,457 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,655 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,727 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,313 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,772 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,190 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,882 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,543 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,476 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,156 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,830 |
| Boundary Waters | 0 | - | 4.92 | 88,712 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,368 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,566 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,165 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,847 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,850 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,865 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,153 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,982 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,574 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,600 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,740 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,593 |
| Ancient City to Country | 0 | - | 4.70 | 108,282 |
| Official Cities in the UK | 0 | - | 4.89 | 285,744 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,189 |
| City-States | 0 | - | 4.53 | 37,375 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,599 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,462 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,781 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,184 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,247 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,364 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,913 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,200 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,071 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,073 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,255 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,354 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,166 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,434 |
| The Only Country ... | 0 | - | 4.91 | 81,727 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,463 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,457 |
| Capitals by River | 0 | - | 4.55 | 48,376 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,938 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,781,705 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,412 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,741 |
| Cities by Airports | 0 | - | 4.47 | 103,876 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,336 |
| Cities Chain #2 | 0 | - | 4.42 | 56,493 |
| Cities Chain #1 | 0 | - | 4.61 | 66,782 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,446 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,782 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,328 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,696 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,718 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,085 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,239 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,379 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,276 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,890 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,007 |
