| World Capitals Quiz | 0 | - | 5.00 | 5,096,676 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,927 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,934 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,816 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,003 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,943 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,825 |
| Countries by Capital City | 0 | - | 5.00 | 69,109 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,676 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,070 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,643 |
| Moved Capital Cities | 0 | - | 4.96 | 74,534 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,750 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,168 |
| Capital City Etymologies | 0 | - | 4.77 | 63,469 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,659 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,294 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,196 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,316 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,609 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,889 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,639 |
| World Capitals by Map | 0 | - | 5.00 | 288,670 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,691 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,514 |
| Random Country to Capital | 0 | - | 4.98 | 925,660 |
| Capitals Starting With H | 0 | - | 4.91 | 92,972 |
| Capitals Starting With K | 0 | - | 4.88 | 84,020 |
| Capitals Starting With L | 0 | - | 4.81 | 90,344 |
| Capitals Starting With M | 0 | - | 4.93 | 108,511 |
| Capitals Starting With P | 0 | - | 4.88 | 78,611 |
| Capitals Starting With R | 0 | - | 4.88 | 82,177 |
| Capitals Starting With S | 0 | - | 4.90 | 86,194 |
| Capitals Starting With T | 0 | - | 4.85 | 76,507 |
| Capitals Starting With W | 0 | - | 4.87 | 91,520 |
| Capitals Starting With A | 0 | - | 4.97 | 128,638 |
| Capitals Starting With B | 0 | - | 4.89 | 119,037 |
| Capitals Starting With D | 0 | - | 4.93 | 96,858 |
| Former Capitals | 0 | - | 4.88 | 71,616 |
| Europe Capital to Country | 0 | - | 4.99 | 251,625 |
| Asia Capital to Country | 0 | - | 4.96 | 127,222 |
| Capital Cities Chain | 0 | - | 4.84 | 83,201 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,674 |
| European Capitals by Map | 0 | - | 4.99 | 141,492 |
| African Capitals by Map | 0 | - | 4.99 | 141,542 |
| Coldest World Capitals | 0 | - | 4.95 | 134,071 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,641 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,661 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,999 |
| European Coastal Capitals | 0 | - | 4.95 | 91,110 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,084 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,857 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,347 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,063 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,980 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,385 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,552 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,970 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,702 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,564 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,007 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,423 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,870 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,532 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,266 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,805 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,104 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,473 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,381 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,791 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,801 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,653 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,452 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,336 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,282 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,590 |
| Capitals of the Stans | 0 | - | 4.95 | 27,064 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,579 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,042 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,784 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,481 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,402 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,006 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,464 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,893 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,399 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,295 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,133 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,723 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,456 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,363 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,319 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,238 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,693 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,984 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,196 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,457 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,729 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,461 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,867 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,796 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,490 |
| Capitals Starting With N | 0 | - | 4.80 | 51,544 |
| Capitals Starting With V | 0 | - | 4.79 | 38,458 |
| Capitals Starting With C | 0 | - | 4.78 | 98,524 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,641 |
| North American Sports Cities | 0 | - | 4.83 | 172,959 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,801 |
| Name a City - European Countries | 0 | - | 4.90 | 65,963 |
| Name a Valid World City | 0 | - | 4.84 | 71,761 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,381 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,114 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,463 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,442 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,156 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,284 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,237 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,234 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,074 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,631 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,036 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,710 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,263 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,726 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,082 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,818 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,500 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,431 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,644 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,654 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,560 |
| Ancient City to Country | 0 | - | 4.70 | 108,258 |
| Official Cities in the UK | 0 | - | 4.89 | 285,521 |
| City-States | 0 | - | 4.53 | 37,368 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,447 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,772 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,162 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,236 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,336 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,873 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,192 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,529 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,061 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,072 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,247 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,347 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,448 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,436 |
| Capitals by River | 0 | - | 4.55 | 48,368 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,160 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,326 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,917 |
| The Only Country ... | 0 | - | 4.91 | 81,678 |
| Boundary Waters | 0 | - | 4.92 | 88,693 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,347 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,510 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,100 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,812 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,814 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,970 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,567 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,593 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,575 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,185 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,728 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,465 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,631 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,338 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,395 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,681 |
| Cities by Airports | 0 | - | 4.47 | 103,804 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,293 |
| Cities Chain #2 | 0 | - | 4.42 | 56,481 |
| Cities Chain #1 | 0 | - | 4.61 | 66,767 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,346 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,317 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,052 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,233 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,258 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,883 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,998 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,090 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,598 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,346 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,753,566 |
| Landlocked Countries | 0 | - | 4.99 | 424,103 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,230 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,656 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,850 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,529 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,891 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,379 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,147 |
