| World Capitals Quiz | 0 | - | 5.00 | 5,068,463 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,635 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,113 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,315 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,393 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,109 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,839 |
| Countries by Capital City | 0 | - | 5.00 | 68,104 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,086 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,569 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,075 |
| Moved Capital Cities | 0 | - | 4.96 | 74,125 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,499 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,009 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,359 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,622 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,063 |
| World Capitals by Map | 0 | - | 5.00 | 286,019 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,233 |
| Capitals Starting With H | 0 | - | 4.91 | 92,452 |
| Capitals Starting With K | 0 | - | 4.88 | 83,199 |
| Capitals Starting With L | 0 | - | 4.81 | 87,970 |
| Capitals Starting With M | 0 | - | 4.93 | 107,633 |
| Capitals Starting With P | 0 | - | 4.88 | 78,101 |
| Capitals Starting With R | 0 | - | 4.87 | 81,736 |
| Capitals Starting With S | 0 | - | 4.90 | 85,675 |
| Capitals Starting With T | 0 | - | 4.85 | 76,083 |
| Capitals Starting With W | 0 | - | 4.87 | 91,232 |
| Capitals Starting With A | 0 | - | 4.97 | 127,761 |
| Capitals Starting With B | 0 | - | 4.89 | 118,353 |
| Capitals Starting With D | 0 | - | 4.93 | 96,323 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,823 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,015 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,686 |
| Random Country to Capital | 0 | - | 4.98 | 919,505 |
| Former Capitals | 0 | - | 4.88 | 71,417 |
| Europe Capital to Country | 0 | - | 4.99 | 249,845 |
| Asia Capital to Country | 0 | - | 4.96 | 126,567 |
| Capital Cities Chain | 0 | - | 4.83 | 82,643 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,747 |
| European Capitals by Map | 0 | - | 4.99 | 138,896 |
| African Capitals by Map | 0 | - | 4.99 | 133,610 |
| Coldest World Capitals | 0 | - | 4.95 | 133,520 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,220 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,988 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,331 |
| European Coastal Capitals | 0 | - | 4.95 | 90,499 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,546 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,598 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,784 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,789 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,478 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,798 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,533 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,227 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,882 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,682 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,020 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,951 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,166 |
| Capitals of the Stans | 0 | - | 4.95 | 26,807 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,996 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,494 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,976 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,439 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,386 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,965 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,143 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,638 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,299 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,138 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,123 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,246 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,370 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,341 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,020 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,460 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,019 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,432 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,187 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,130 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,579 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,736 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,335 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,421 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,896 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,717 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,474 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,239 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,417 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,267 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,113 |
| Capitals Starting With N | 0 | - | 4.80 | 51,117 |
| Capitals Starting With V | 0 | - | 4.79 | 38,120 |
| Capitals Starting With C | 0 | - | 4.79 | 97,775 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,444 |
| North American Sports Cities | 0 | - | 4.83 | 172,264 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,290 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,317 |
| Name a City - European Countries | 0 | - | 4.90 | 65,301 |
| Cities by Former Name | 0 | - | 4.83 | 91,509 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,233 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,349 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,839 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,132 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,358 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,483 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,415 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,007 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,261 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,091 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,508 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,420 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,015 |
| Capital City Etymologies | 0 | - | 4.77 | 63,272 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,162 |
| Boundary Waters | 0 | - | 4.92 | 88,427 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,124 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,003 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,328 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,409 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,336 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,537 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,555 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,887 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,846 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,981 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,806 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,744 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,980 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,710 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,954 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,600 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,781 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,522 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,484 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,679 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,142 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,906 |
| Ancient City to Country | 0 | - | 4.70 | 107,986 |
| City-States | 0 | - | 4.53 | 37,247 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,113 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,651 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,180 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,434 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,103 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,945 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,017 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,166 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,296 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,967 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 235,094 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,617 |
| Official Cities in the UK | 0 | - | 4.89 | 283,390 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,707 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,958 |
| The Only Country ... | 0 | - | 4.91 | 80,926 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,393,936 |
| Landlocked Countries | 0 | - | 4.99 | 419,697 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,087 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,328 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,121 |
| Capitals by River | 0 | - | 4.55 | 48,302 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,603 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,543 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,727 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,819 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,040 |
| Cities with the Same Name | 0 | - | 3.94 | 36,676 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,802 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,195 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,073 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,392 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,981 |
| Cities by Airports | 0 | - | 4.49 | 88,689 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,613 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,544 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,428 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,769 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,943 |
| Cities Chain #2 | 0 | - | 4.42 | 56,345 |
| Cities Chain #1 | 0 | - | 4.61 | 66,603 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,854 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,095 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,071 |
| Cities by Initials | 0 | - | 4.12 | 24,560 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,186 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,349 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,670 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,900 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,543 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,137 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,689 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,315 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,076 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,784 |
