| World Capitals Quiz | 0 | - | 5.00 | 5,112,493 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,813 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,530 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,075 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,323 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,407 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,343 |
| Countries by Capital City | 0 | - | 5.00 | 69,581 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,113 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,336 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,933 |
| Moved Capital Cities | 0 | - | 4.96 | 74,720 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,852 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,322 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,759 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,559 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,974 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,031 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,948 |
| World Capitals by Map | 0 | - | 5.00 | 289,846 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,913 |
| Capitals Starting With H | 0 | - | 4.91 | 93,427 |
| Capitals Starting With K | 0 | - | 4.88 | 84,493 |
| Capitals Starting With L | 0 | - | 4.81 | 96,061 |
| Capitals Starting With M | 0 | - | 4.94 | 109,338 |
| Capitals Starting With P | 0 | - | 4.88 | 79,106 |
| Capitals Starting With R | 0 | - | 4.88 | 82,592 |
| Capitals Starting With S | 0 | - | 4.90 | 86,679 |
| Capitals Starting With T | 0 | - | 4.86 | 76,929 |
| Capitals Starting With W | 0 | - | 4.87 | 91,782 |
| Capitals Starting With A | 0 | - | 4.97 | 129,251 |
| Capitals Starting With B | 0 | - | 4.89 | 119,625 |
| Capitals Starting With D | 0 | - | 4.94 | 97,303 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,900 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,766 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,730 |
| Random Country to Capital | 0 | - | 4.98 | 929,761 |
| Former Capitals | 0 | - | 4.88 | 71,719 |
| Europe Capital to Country | 0 | - | 4.99 | 252,505 |
| Asia Capital to Country | 0 | - | 4.96 | 127,672 |
| Capital Cities Chain | 0 | - | 4.84 | 83,495 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,231 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,695 |
| European Capitals by Map | 0 | - | 4.99 | 142,448 |
| African Capitals by Map | 0 | - | 4.99 | 142,529 |
| Coldest World Capitals | 0 | - | 4.95 | 134,259 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,088 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,351 |
| European Coastal Capitals | 0 | - | 4.95 | 91,465 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,259 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,190 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,142 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,237 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,699 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,604 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,291 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,223 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,204 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,778 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,628 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,769 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,328 |
| Capitals of the Stans | 0 | - | 4.95 | 27,221 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,482 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,917 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,519 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,602 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,349 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,704 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,280 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,472 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,896 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,465 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,535 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,047 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,999 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,854 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,664 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,085 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,804 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,767 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,672 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,402 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,296 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,752 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,110 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,502 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,445 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,830 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,999 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,914 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,505 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,985 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,670 |
| Capitals Starting With N | 0 | - | 4.80 | 51,981 |
| Capitals Starting With V | 0 | - | 4.80 | 38,713 |
| Capitals Starting With C | 0 | - | 4.78 | 99,130 |
| North American Sports Cities | 0 | - | 4.82 | 173,268 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,596 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,034 |
| Name a City - European Countries | 0 | - | 4.89 | 66,351 |
| Cities by Former Name | 0 | - | 4.83 | 92,169 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,338 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,773 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,144 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,238 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,572 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,926 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,160 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,244 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,638 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,957 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,500 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,639 |
| Capital City Etymologies | 0 | - | 4.77 | 63,565 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,277 |
| Boundary Waters | 0 | - | 4.92 | 88,826 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,453 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,813 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,521 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,048 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,070 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,825 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,651 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,044 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,734 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,300 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,791 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,678 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,198 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,422 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,546 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,045 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,593 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,649 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,281 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,206 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,608 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,791 |
| Ancient City to Country | 0 | - | 4.72 | 108,395 |
| City-States | 0 | - | 4.53 | 37,435 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,538 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,856 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,298 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,231 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,349 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,112 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,093 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,289 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,375 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,253 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,945 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,309 |
| Official Cities in the UK | 0 | - | 4.89 | 286,758 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,459 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,587 |
| The Only Country ... | 0 | - | 4.91 | 82,021 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,954,896 |
| Landlocked Countries | 0 | - | 4.99 | 427,078 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,442 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,530 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,617 |
| Capitals by River | 0 | - | 4.55 | 48,401 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,068 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,978 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,494 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,132 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,168 |
| Cities with the Same Name | 0 | - | 3.94 | 36,734 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,849 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,507 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,950 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,447 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,015 |
| Cities by Airports | 0 | - | 4.48 | 104,140 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,684 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,990 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,557 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,923 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,478 |
| Cities Chain #2 | 0 | - | 4.42 | 56,543 |
| Cities Chain #1 | 0 | - | 4.61 | 66,858 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,998 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,174 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,094 |
| Cities by Initials | 0 | - | 4.12 | 24,646 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,381 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,732 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,229 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,988 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,199 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,288 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,353 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,784 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,354 |
