| World Capitals Quiz | 0 | - | 5.00 | 5,103,143 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,456 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,279 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,937 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,165 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,157 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,063 |
| Countries by Capital City | 0 | - | 5.00 | 69,292 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,811 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,180 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,764 |
| Moved Capital Cities | 0 | - | 4.96 | 74,613 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,785 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,647 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,395 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,282 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,355 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,666 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,957 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,775 |
| World Capitals by Map | 0 | - | 5.00 | 289,179 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,788 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,652 |
| Random Country to Capital | 0 | - | 4.98 | 927,351 |
| Capitals Starting With H | 0 | - | 4.91 | 93,297 |
| Capitals Starting With K | 0 | - | 4.89 | 84,367 |
| Capitals Starting With M | 0 | - | 4.94 | 109,117 |
| Capitals Starting With P | 0 | - | 4.88 | 78,969 |
| Capitals Starting With R | 0 | - | 4.88 | 82,478 |
| Capitals Starting With S | 0 | - | 4.90 | 86,540 |
| Capitals Starting With T | 0 | - | 4.85 | 76,806 |
| Capitals Starting With W | 0 | - | 4.87 | 91,719 |
| Capitals Starting With A | 0 | - | 4.97 | 129,050 |
| Capitals Starting With B | 0 | - | 4.89 | 119,449 |
| Capitals Starting With D | 0 | - | 4.94 | 97,160 |
| Former Capitals | 0 | - | 4.88 | 71,655 |
| Europe Capital to Country | 0 | - | 4.99 | 251,939 |
| Asia Capital to Country | 0 | - | 4.96 | 127,330 |
| Capital Cities Chain | 0 | - | 4.84 | 83,315 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,885 |
| European Capitals by Map | 0 | - | 4.99 | 141,943 |
| African Capitals by Map | 0 | - | 4.99 | 142,011 |
| Coldest World Capitals | 0 | - | 4.95 | 134,131 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,858 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,803 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,121 |
| European Coastal Capitals | 0 | - | 4.95 | 91,253 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,425 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,647 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,089 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,514 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,890 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,709 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,807 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,979 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,177 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,538 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,049 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,637 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,359 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,838 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,234 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,549 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,442 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,904 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,883 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,730 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,537 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,836 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,297 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| Capitals of the Stans | 0 | - | 4.95 | 27,108 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,586 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,280 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,066 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,038 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,614 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,496 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,211 |
| Find the City #1 | 0 | - | 4.97 | 43,305 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,621 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,156 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,643 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,522 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,297 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,829 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,525 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,590 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,359 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,264 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,716 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,044 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,349 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,480 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,795 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,466 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,805 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,039 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,980 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,539 |
| Capitals Starting With L | 0 | - | 4.80 | 95,553 |
| Capitals Starting With N | 0 | - | 4.80 | 51,862 |
| Capitals Starting With V | 0 | - | 4.80 | 38,627 |
| Capitals Starting With C | 0 | - | 4.78 | 98,922 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,756 |
| North American Sports Cities | 0 | - | 4.83 | 173,083 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,547 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,907 |
| Name a City - European Countries | 0 | - | 4.90 | 66,106 |
| Name a Valid World City | 0 | - | 4.85 | 71,923 |
| Cities by Former Name | 0 | - | 4.83 | 92,012 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,528 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,475 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,529 |
| Capital City Etymologies | 0 | - | 4.77 | 63,508 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,213 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,340 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,345 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,251 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,315 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,704 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,086 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,223 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,767 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,405 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,861 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,364 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,979 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,627 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,529 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,794 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,186 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,354 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,646 |
| Ancient City to Country | 0 | - | 4.70 | 108,317 |
| Official Cities in the UK | 0 | - | 4.89 | 286,022 |
| City-States | 0 | - | 4.53 | 37,392 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,485 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,799 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,243 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,273 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,409 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,000 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,216 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,561 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,081 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,081 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,267 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,361 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,474 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,499 |
| Capitals by River | 0 | - | 4.55 | 48,384 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,191 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,562 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,979 |
| The Only Country ... | 0 | - | 4.91 | 81,828 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,702 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,396 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,646 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,273 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,922 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,920 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,002 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,579 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,609 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,958 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,195 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,602 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,862 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,961 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,853 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,692 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,448 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,805 |
| Cities by Airports | 0 | - | 4.47 | 103,973 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,381 |
| Cities Chain #2 | 0 | - | 4.42 | 56,509 |
| Cities Chain #1 | 0 | - | 4.61 | 66,808 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,617 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,342 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,126 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,253 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,302 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,933 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,024 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,118 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,629 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,369 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,840,606 |
| Landlocked Countries | 0 | - | 4.99 | 425,147 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,828 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,666 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,912 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,544 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,908 |
