| World Capitals Quiz | 0 | - | 5.00 | 5,025,854 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,008 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,815 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,565 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,517 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,480 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,229 |
| Countries by Capital City | 0 | - | 5.00 | 66,468 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,226 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,808 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,340 |
| Moved Capital Cities | 0 | - | 4.96 | 73,512 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,961 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,032 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,641 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,187 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,779 |
| World Capitals by Map | 0 | - | 5.00 | 282,825 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,599 |
| Capitals Starting With H | 0 | - | 4.90 | 88,887 |
| Capitals Starting With K | 0 | - | 4.85 | 75,476 |
| Capitals Starting With M | 0 | - | 4.93 | 105,779 |
| Capitals Starting With P | 0 | - | 4.88 | 77,004 |
| Capitals Starting With R | 0 | - | 4.87 | 80,804 |
| Capitals Starting With S | 0 | - | 4.89 | 84,612 |
| Capitals Starting With T | 0 | - | 4.84 | 75,137 |
| Capitals Starting With W | 0 | - | 4.89 | 90,462 |
| Capitals Starting With A | 0 | - | 4.97 | 126,286 |
| Capitals Starting With B | 0 | - | 4.89 | 117,046 |
| Capitals Starting With D | 0 | - | 4.93 | 95,137 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,400 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,862 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,246 |
| Random Country to Capital | 0 | - | 4.98 | 910,528 |
| Former Capitals | 0 | - | 4.88 | 71,089 |
| Europe Capital to Country | 0 | - | 4.99 | 247,284 |
| Asia Capital to Country | 0 | - | 4.96 | 125,628 |
| Capital Cities Chain | 0 | - | 4.84 | 81,801 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,292 |
| European Capitals by Map | 0 | - | 4.99 | 135,947 |
| African Capitals by Map | 0 | - | 4.99 | 132,056 |
| Coldest World Capitals | 0 | - | 4.95 | 132,982 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,973 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,072 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,522 |
| European Coastal Capitals | 0 | - | 4.95 | 89,645 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,147 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,402 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,532 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,378 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,690 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,874 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,452 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,148 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,645 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,172 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,542 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,496 |
| World Capitals with a Unique First Letter | 0 | - | 4.78 | 63,227 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,000 |
| Capitals of the Stans | 0 | - | 4.95 | 26,365 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,579 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,036 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,822 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,509 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,540 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,328 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,010 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,077 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,257 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,265 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,648 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,655 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,369 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,794 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,863 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,395 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,152 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,704 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,299 |
| National Subdivisions by Capital | 0 | - | 4.36 | 98,861 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 74,970 |
| Nearest Capital City #2 | 0 | - | 4.56 | 38,997 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,411 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,354 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,208 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,368 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,354 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,606 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,982 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,688 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,390 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,569 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,609 |
| Capitals Starting With L | 0 | - | 4.81 | 86,632 |
| Capitals Starting With N | 0 | - | 4.80 | 50,157 |
| Capitals Starting With V | 0 | - | 4.79 | 37,453 |
| Capitals Starting With C | 0 | - | 4.74 | 96,286 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,352 |
| North American Sports Cities | 0 | - | 4.83 | 170,754 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,881 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,640 |
| Name a City - European Countries | 0 | - | 4.92 | 64,272 |
| Cities by Former Name | 0 | - | 4.84 | 90,872 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,135 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,060 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,539 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,010 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,311 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,151 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,834 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,807 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,951 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,951 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,316 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,321 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,395 |
| Capital City Etymologies | 0 | - | 4.77 | 62,980 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,060 |
| Boundary Waters | 0 | - | 4.92 | 87,992 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,178 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,133 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,763 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,652 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,262 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,245 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,094 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,879 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,652 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,500 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,273 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,774 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,209 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,578 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,739 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,539 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,403 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,304 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,514 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,089 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,546 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,929 |
| Ancient City to Country | 0 | - | 4.70 | 107,556 |
| City-States | 0 | - | 4.53 | 37,071 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,749 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,458 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,030 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,709 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,937 |
| One-Syllable World Capital Cities | 0 | - | 4.37 | 47,797 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,946 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,019 |
| Capital Cities Nearest to Islands | 0 | - | 4.55 | 13,241 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,797 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 232,949 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 483,919 |
| Official Cities in the UK | 0 | - | 4.89 | 280,145 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,041 |
| The Only Country ... | 0 | - | 4.91 | 79,723 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,854,071 |
| Landlocked Countries | 0 | - | 4.99 | 412,906 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,687 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,129 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,700 |
| Capitals by River | 0 | - | 4.55 | 48,220 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,180 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,109 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,905 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,471 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,842 |
| Cities with the Same Name | 0 | - | 3.94 | 36,620 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,751 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,941 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,062 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,344 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,932 |
| Cities by Airports | 0 | - | 4.49 | 87,750 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,527 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,072 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,338 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,699 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,361 |
| Cities Chain #2 | 0 | - | 4.42 | 56,147 |
| Cities Chain #1 | 0 | - | 4.61 | 66,315 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 48,102 |
| Cities by Founder and Date | 0 | - | 4.56 | 28,997 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,087 |
| Cities by Initials | 0 | - | 4.12 | 24,491 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 34,987 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,666 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,065 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,816 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,075 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,001 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,578 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,098 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,778 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,629 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,250 |
