| World Capitals Quiz | 0 | - | 5.00 | 5,111,970 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,608 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,506 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,059 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,306 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,389 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,321 |
| Countries by Capital City | 0 | - | 5.00 | 69,564 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,093 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,324 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,922 |
| Moved Capital Cities | 0 | - | 4.96 | 74,712 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,843 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,283 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,755 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,545 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,967 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,026 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,941 |
| World Capitals by Map | 0 | - | 5.00 | 289,804 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,901 |
| Capitals Starting With H | 0 | - | 4.91 | 93,413 |
| Capitals Starting With K | 0 | - | 4.88 | 84,484 |
| Capitals Starting With L | 0 | - | 4.81 | 96,043 |
| Capitals Starting With M | 0 | - | 4.94 | 109,321 |
| Capitals Starting With P | 0 | - | 4.88 | 79,096 |
| Capitals Starting With R | 0 | - | 4.88 | 82,577 |
| Capitals Starting With S | 0 | - | 4.90 | 86,667 |
| Capitals Starting With T | 0 | - | 4.86 | 76,920 |
| Capitals Starting With W | 0 | - | 4.87 | 91,778 |
| Capitals Starting With A | 0 | - | 4.97 | 129,237 |
| Capitals Starting With B | 0 | - | 4.89 | 119,610 |
| Capitals Starting With D | 0 | - | 4.94 | 97,291 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,850 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,696 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,494 |
| Random Country to Capital | 0 | - | 4.98 | 929,563 |
| Former Capitals | 0 | - | 4.88 | 71,717 |
| Europe Capital to Country | 0 | - | 4.99 | 252,474 |
| Asia Capital to Country | 0 | - | 4.96 | 127,659 |
| Capital Cities Chain | 0 | - | 4.84 | 83,488 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,208 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,673 |
| European Capitals by Map | 0 | - | 4.99 | 142,425 |
| African Capitals by Map | 0 | - | 4.99 | 142,505 |
| Coldest World Capitals | 0 | - | 4.95 | 134,239 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,094 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,073 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,334 |
| European Coastal Capitals | 0 | - | 4.95 | 91,456 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,256 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,167 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,109 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,228 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,230 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,685 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,600 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,213 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,192 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,767 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,622 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,758 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,324 |
| Capitals of the Stans | 0 | - | 4.95 | 27,217 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,464 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,912 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,477 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,592 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,339 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,698 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,271 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,465 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,893 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,449 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,648 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,527 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,044 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,993 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,848 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,650 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,069 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,798 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,758 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,670 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,401 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,294 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,752 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,104 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,498 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,473 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,424 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,828 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,983 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,881 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,491 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,976 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,663 |
| Capitals Starting With N | 0 | - | 4.80 | 51,972 |
| Capitals Starting With V | 0 | - | 4.80 | 38,705 |
| Capitals Starting With C | 0 | - | 4.78 | 99,116 |
| North American Sports Cities | 0 | - | 4.82 | 173,260 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,591 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,027 |
| Name a City - European Countries | 0 | - | 4.89 | 66,338 |
| Cities by Former Name | 0 | - | 4.83 | 92,160 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,334 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,772 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,140 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,238 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,557 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,911 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,153 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,216 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,620 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,944 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,498 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,629 |
| Capital City Etymologies | 0 | - | 4.77 | 63,563 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,276 |
| Boundary Waters | 0 | - | 4.92 | 88,822 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,450 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,800 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,501 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,039 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,061 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,817 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,628 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,032 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,711 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,279 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,778 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,667 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,420 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,526 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,042 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,593 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,645 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,270 |
| 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 | 221,784 |
| Ancient City to Country | 0 | - | 4.72 | 108,393 |
| City-States | 0 | - | 4.53 | 37,433 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,531 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,850 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,293 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,220 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,349 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,111 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,093 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,287 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,374 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,252 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,925 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,260 |
| Official Cities in the UK | 0 | - | 4.89 | 286,720 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,448 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,578 |
| The Only Country ... | 0 | - | 4.91 | 82,005 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,948,685 |
| Landlocked Countries | 0 | - | 4.99 | 426,986 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,210 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,524 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,613 |
| Capitals by River | 0 | - | 4.55 | 48,401 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,061 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,974 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,488 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,114 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,150 |
| Cities with the Same Name | 0 | - | 3.94 | 36,734 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,848 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,503 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,944 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,443 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,014 |
| Cities by Airports | 0 | - | 4.48 | 104,134 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,986 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,556 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,922 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,471 |
| Cities Chain #2 | 0 | - | 4.42 | 56,538 |
| Cities Chain #1 | 0 | - | 4.61 | 66,849 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,973 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,174 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,077 |
| Cities by Initials | 0 | - | 4.12 | 24,646 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,379 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,695 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,212 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,986 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,197 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,287 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,343 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,782 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,349 |
