| World Capitals Quiz | 0 | - | 5.00 | 5,065,152 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,409 |
| Former Capitals | 0 | - | 4.88 | 71,396 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,003 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,263 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,311 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,011 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,694 |
| Countries by Capital City | 0 | - | 5.00 | 67,980 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,004 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,493 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,004 |
| Moved Capital Cities | 0 | - | 4.96 | 74,079 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,440 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,758 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,756 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,337 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,592 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,956 |
| World Capitals by Map | 0 | - | 5.00 | 285,726 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,181 |
| Capitals Starting With H | 0 | - | 4.91 | 92,330 |
| Capitals Starting With K | 0 | - | 4.88 | 82,657 |
| Capitals Starting With L | 0 | - | 4.81 | 87,840 |
| Capitals Starting With M | 0 | - | 4.93 | 107,464 |
| Capitals Starting With P | 0 | - | 4.88 | 77,994 |
| Capitals Starting With R | 0 | - | 4.87 | 81,643 |
| Capitals Starting With S | 0 | - | 4.90 | 85,582 |
| Capitals Starting With T | 0 | - | 4.85 | 76,004 |
| Capitals Starting With W | 0 | - | 4.87 | 91,175 |
| Capitals Starting With A | 0 | - | 4.97 | 127,630 |
| Capitals Starting With B | 0 | - | 4.89 | 118,238 |
| Capitals Starting With D | 0 | - | 4.93 | 96,223 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,265 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,394 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,515 |
| Random Country to Capital | 0 | - | 4.98 | 918,838 |
| Europe Capital to Country | 0 | - | 4.99 | 249,670 |
| Asia Capital to Country | 0 | - | 4.96 | 126,512 |
| Capital Cities Chain | 0 | - | 4.83 | 82,540 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,653 |
| European Capitals by Map | 0 | - | 4.99 | 138,680 |
| African Capitals by Map | 0 | - | 4.99 | 133,418 |
| Coldest World Capitals | 0 | - | 4.95 | 133,485 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,931 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,273 |
| European Coastal Capitals | 0 | - | 4.95 | 90,422 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,519 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,339 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,644 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,758 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,427 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,720 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,759 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,526 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,470 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,219 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,860 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,599 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,241 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,317 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,926 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,047 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,744 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,732 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,613 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,226 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,557 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,795 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,968 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,097 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,089 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,151 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,331 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,310 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,957 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,337 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,156 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,200 |
| Capitals of the Stans | 0 | - | 4.95 | 26,768 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,905 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,936 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,787 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,379 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,137 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,326 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,194 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,071 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,294 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,171 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,120 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,567 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,711 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,328 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,419 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,711 |
| Capitals Starting With N | 0 | - | 4.80 | 51,032 |
| Capitals Starting With V | 0 | - | 4.79 | 38,062 |
| Capitals Starting With C | 0 | - | 4.79 | 97,652 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,431 |
| North American Sports Cities | 0 | - | 4.83 | 171,832 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,266 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,281 |
| Name a City - European Countries | 0 | - | 4.90 | 65,227 |
| Name a Valid World City | 0 | - | 4.83 | 70,997 |
| Cities by Former Name | 0 | - | 4.83 | 91,458 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,254 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,457 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,354 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,908 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,241 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,309 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,819 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,122 |
| Cities in European History #1 | 0 | - | 4.63 | 133,841 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,012 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,443 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,966 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,414 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,984 |
| Capital City Etymologies | 0 | - | 4.77 | 63,249 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,657 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,923 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,514 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,158 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,431 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,814 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,287 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,134 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,103 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,568 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,180 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,105 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,517 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,464 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,814 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,680 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,878 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,734 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,714 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,859 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,298 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,940 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,219 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,360 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,292 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,936 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,612 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,761 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,510 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,465 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,666 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,862 |
| Ancient City to Country | 0 | - | 4.70 | 107,952 |
| Official Cities in the UK | 0 | - | 4.89 | 283,189 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,139 |
| City-States | 0 | - | 4.53 | 37,232 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,090 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,629 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,649 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,164 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,924 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,386 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,090 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,925 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,009 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,159 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,293 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,947 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,957 |
| The Only Country ... | 0 | - | 4.91 | 80,827 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,309 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,090 |
| Capitals by River | 0 | - | 4.55 | 48,294 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,572 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,351,232 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,177 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,988 |
| Cities by Airports | 0 | - | 4.49 | 88,659 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,839 |
| Cities Chain #2 | 0 | - | 4.42 | 56,329 |
| Cities Chain #1 | 0 | - | 4.61 | 66,589 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,442 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,978 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,179 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,144 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,562 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,517 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,127 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,596 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,059 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,770 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,884 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,469 |
