| World Capitals Quiz | 0 | - | 5.00 | 5,101,545 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,757 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,248 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,902 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,109 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,111 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,015 |
| Countries by Capital City | 0 | - | 5.00 | 69,250 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,778 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,159 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,745 |
| Moved Capital Cities | 0 | - | 4.96 | 74,595 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,777 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,522 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,707 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,374 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,657 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,943 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,739 |
| World Capitals by Map | 0 | - | 5.00 | 289,061 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,771 |
| Capitals Starting With H | 0 | - | 4.91 | 93,255 |
| Capitals Starting With K | 0 | - | 4.89 | 84,327 |
| Capitals Starting With M | 0 | - | 4.94 | 109,037 |
| Capitals Starting With P | 0 | - | 4.88 | 78,928 |
| Capitals Starting With R | 0 | - | 4.88 | 82,448 |
| Capitals Starting With S | 0 | - | 4.90 | 86,499 |
| Capitals Starting With T | 0 | - | 4.85 | 76,773 |
| Capitals Starting With W | 0 | - | 4.87 | 91,693 |
| Capitals Starting With A | 0 | - | 4.97 | 129,001 |
| Capitals Starting With B | 0 | - | 4.89 | 119,400 |
| Capitals Starting With D | 0 | - | 4.94 | 97,119 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,982 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,053 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,041 |
| Random Country to Capital | 0 | - | 4.98 | 926,937 |
| Former Capitals | 0 | - | 4.88 | 71,646 |
| Europe Capital to Country | 0 | - | 4.99 | 251,861 |
| Asia Capital to Country | 0 | - | 4.96 | 127,313 |
| Capital Cities Chain | 0 | - | 4.84 | 83,283 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,821 |
| European Capitals by Map | 0 | - | 4.99 | 141,874 |
| African Capitals by Map | 0 | - | 4.99 | 141,919 |
| Coldest World Capitals | 0 | - | 4.95 | 134,117 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,817 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,764 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,091 |
| European Coastal Capitals | 0 | - | 4.95 | 91,217 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,134 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,263 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,571 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,118 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,065 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,483 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,585 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,279 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,061 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,005 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,582 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,477 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,619 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,292 |
| Capitals of the Stans | 0 | - | 4.95 | 27,098 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,160 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,786 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,542 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,860 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,148 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,503 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,002 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,337 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,833 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,202 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,524 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,426 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,867 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,857 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,716 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,520 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,774 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,656 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,590 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,560 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,342 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,258 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,711 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,035 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,474 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,466 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,061 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,801 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,579 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,467 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,242 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,797 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,505 |
| Capitals Starting With L | 0 | - | 4.80 | 95,235 |
| Capitals Starting With N | 0 | - | 4.80 | 51,828 |
| Capitals Starting With V | 0 | - | 4.80 | 38,604 |
| Capitals Starting With C | 0 | - | 4.78 | 98,860 |
| North American Sports Cities | 0 | - | 4.83 | 173,047 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,532 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,872 |
| Name a City - European Countries | 0 | - | 4.90 | 66,069 |
| Cities by Former Name | 0 | - | 4.83 | 91,982 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,310 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,686 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,068 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,219 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,299 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,782 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,995 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,939 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,523 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,756 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,495 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,473 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,516 |
| Capital City Etymologies | 0 | - | 4.77 | 63,496 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,243 |
| Boundary Waters | 0 | - | 4.92 | 88,729 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,383 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,607 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,228 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,881 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,886 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,754 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,364 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,820 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,291 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,940 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,589 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,510 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,133 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,194 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,331 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,320 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,993 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,578 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,603 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,898 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,193 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,601 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,622 |
| Ancient City to Country | 0 | - | 4.70 | 108,301 |
| City-States | 0 | - | 4.53 | 37,381 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,477 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,790 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,261 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,970 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,205 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,078 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,081 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,262 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,356 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,181 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,516 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,197 |
| Official Cities in the UK | 0 | - | 4.89 | 285,923 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,218 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,388 |
| The Only Country ... | 0 | - | 4.91 | 81,791 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,816,871 |
| Landlocked Countries | 0 | - | 4.99 | 424,910 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,109 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,469 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,491 |
| Capitals by River | 0 | - | 4.55 | 48,382 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,964 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,887 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,330 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,867 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,898 |
| Cities with the Same Name | 0 | - | 3.94 | 36,721 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,835 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,428 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,782 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,437 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,007 |
| Cities by Airports | 0 | - | 4.47 | 103,947 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,665 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,894 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,541 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,905 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,361 |
| Cities Chain #2 | 0 | - | 4.42 | 56,503 |
| Cities Chain #1 | 0 | - | 4.61 | 66,794 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,547 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,160 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,837 |
| Cities by Initials | 0 | - | 4.12 | 24,627 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,339 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,850 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,785 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,969 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,111 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,248 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,542 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,467 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,292 |
