| World Capitals Quiz | 0 | - | 5.00 | 5,097,921 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,369 |
| Former Capitals | 0 | - | 4.88 | 71,622 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,993 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,842 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,031 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,996 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,878 |
| Countries by Capital City | 0 | - | 5.00 | 69,146 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,697 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,084 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,667 |
| Moved Capital Cities | 0 | - | 4.96 | 74,555 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,755 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,239 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,681 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,312 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,624 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,906 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,668 |
| World Capitals by Map | 0 | - | 5.00 | 288,772 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,713 |
| Capitals Starting With H | 0 | - | 4.91 | 93,106 |
| Capitals Starting With K | 0 | - | 4.88 | 84,173 |
| Capitals Starting With L | 0 | - | 4.79 | 93,198 |
| Capitals Starting With M | 0 | - | 4.93 | 108,755 |
| Capitals Starting With P | 0 | - | 4.88 | 78,758 |
| Capitals Starting With R | 0 | - | 4.88 | 82,315 |
| Capitals Starting With S | 0 | - | 4.90 | 86,348 |
| Capitals Starting With T | 0 | - | 4.85 | 76,645 |
| Capitals Starting With W | 0 | - | 4.87 | 91,607 |
| Capitals Starting With A | 0 | - | 4.97 | 128,799 |
| Capitals Starting With B | 0 | - | 4.89 | 119,206 |
| Capitals Starting With D | 0 | - | 4.93 | 96,971 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,373 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,516 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,885 |
| Random Country to Capital | 0 | - | 4.98 | 925,923 |
| Europe Capital to Country | 0 | - | 4.99 | 251,689 |
| Asia Capital to Country | 0 | - | 4.96 | 127,240 |
| Capital Cities Chain | 0 | - | 4.84 | 83,224 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,714 |
| European Capitals by Map | 0 | - | 4.99 | 141,560 |
| African Capitals by Map | 0 | - | 4.99 | 141,648 |
| Coldest World Capitals | 0 | - | 4.95 | 134,084 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,689 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,687 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,025 |
| European Coastal Capitals | 0 | - | 4.95 | 91,133 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,096 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,971 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,400 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,080 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,000 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,414 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,604 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,580 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,711 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,046 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,129 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,617 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,039 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,441 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,907 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,554 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,277 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,128 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,848 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,510 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,423 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,483 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,388 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,816 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,815 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,672 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,470 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,409 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,285 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,610 |
| Capitals of the Stans | 0 | - | 4.95 | 27,073 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,040 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,495 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,924 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,454 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,346 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,155 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,740 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,466 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,420 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,324 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,242 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,698 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,993 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,459 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,790 |
| Capitals Starting With N | 0 | - | 4.80 | 51,667 |
| Capitals Starting With V | 0 | - | 4.79 | 38,520 |
| Capitals Starting With C | 0 | - | 4.78 | 98,667 |
| North American Sports Cities | 0 | - | 4.83 | 172,972 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,508 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,819 |
| Name a City - European Countries | 0 | - | 4.90 | 65,991 |
| Name a Valid World City | 0 | - | 4.84 | 71,790 |
| Cities by Former Name | 0 | - | 4.83 | 91,934 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,217 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,744 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,917 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,829 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,495 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,664 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,299 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,643 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,044 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,212 |
| Cities in European History #1 | 0 | - | 4.63 | 134,470 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,668 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,412 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,118 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,465 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,461 |
| Capital City Etymologies | 0 | - | 4.77 | 63,476 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,167 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,263 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,238 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,200 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,335 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,019 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,750 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,432 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,107 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,443 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,778 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,636 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,720 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,287 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,747 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,129 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,842 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,521 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,452 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,115 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,762 |
| Boundary Waters | 0 | - | 4.92 | 88,703 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,356 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,532 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,133 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,835 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,830 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,848 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,123 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,973 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,569 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,595 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,655 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,577 |
| Ancient City to Country | 0 | - | 4.70 | 108,270 |
| Official Cities in the UK | 0 | - | 4.89 | 285,613 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,186 |
| City-States | 0 | - | 4.53 | 37,370 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,452 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,774 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,172 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,244 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,347 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,887 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,194 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,067 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,072 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,251 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,352 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,163 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,382 |
| The Only Country ... | 0 | - | 4.91 | 81,702 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,453 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,444 |
| Capitals by River | 0 | - | 4.55 | 48,371 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,927 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,767,433 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,406 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,713 |
| Cities by Airports | 0 | - | 4.47 | 103,845 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,310 |
| Cities Chain #2 | 0 | - | 4.42 | 56,487 |
| Cities Chain #1 | 0 | - | 4.61 | 66,775 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,388 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,755 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,325 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,578 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,675 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,068 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,235 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,357 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,269 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,887 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,004 |
