| World Capitals Quiz | 0 | - | 5.00 | 5,068,328 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,582 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,107 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,313 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,389 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,106 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,832 |
| Countries by Capital City | 0 | - | 5.00 | 68,098 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,081 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,567 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,073 |
| Moved Capital Cities | 0 | - | 4.96 | 74,124 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,495 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,995 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,825 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,810 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,982 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,357 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,620 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,055 |
| World Capitals by Map | 0 | - | 5.00 | 286,010 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,231 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,647 |
| Random Country to Capital | 0 | - | 4.98 | 919,486 |
| Capitals Starting With H | 0 | - | 4.91 | 92,448 |
| Capitals Starting With K | 0 | - | 4.88 | 83,184 |
| Capitals Starting With L | 0 | - | 4.81 | 87,966 |
| Capitals Starting With M | 0 | - | 4.93 | 107,624 |
| Capitals Starting With P | 0 | - | 4.88 | 78,093 |
| Capitals Starting With R | 0 | - | 4.87 | 81,728 |
| Capitals Starting With S | 0 | - | 4.90 | 85,669 |
| Capitals Starting With T | 0 | - | 4.85 | 76,078 |
| Capitals Starting With W | 0 | - | 4.87 | 91,228 |
| Capitals Starting With A | 0 | - | 4.97 | 127,757 |
| Capitals Starting With B | 0 | - | 4.89 | 118,348 |
| Capitals Starting With D | 0 | - | 4.93 | 96,318 |
| Former Capitals | 0 | - | 4.88 | 71,417 |
| Europe Capital to Country | 0 | - | 4.99 | 249,839 |
| Asia Capital to Country | 0 | - | 4.96 | 126,566 |
| Capital Cities Chain | 0 | - | 4.83 | 82,636 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,743 |
| European Capitals by Map | 0 | - | 4.99 | 138,889 |
| African Capitals by Map | 0 | - | 4.99 | 133,587 |
| Coldest World Capitals | 0 | - | 4.95 | 133,519 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,213 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,985 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,328 |
| European Coastal Capitals | 0 | - | 4.95 | 90,488 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,543 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,582 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,769 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,789 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,477 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,794 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,903 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,963 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,493 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,432 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,378 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,963 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,138 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,944 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,637 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,295 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,137 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,120 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,242 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,369 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,339 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,020 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,454 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,165 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| Capitals of the Stans | 0 | - | 4.95 | 26,806 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,532 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,226 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,881 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,674 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,880 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,016 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,993 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,014 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,892 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,471 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,236 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,414 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,265 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,111 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,422 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,186 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,129 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,579 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,734 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,347 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,335 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,483 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,421 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,717 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,412 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,005 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,259 |
| Capitals Starting With N | 0 | - | 4.80 | 51,114 |
| Capitals Starting With V | 0 | - | 4.79 | 38,116 |
| Capitals Starting With C | 0 | - | 4.79 | 97,766 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,444 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,121 |
| North American Sports Cities | 0 | - | 4.83 | 172,257 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,289 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,316 |
| Name a City - European Countries | 0 | - | 4.90 | 65,298 |
| Name a Valid World City | 0 | - | 4.83 | 71,083 |
| Cities by Former Name | 0 | - | 4.83 | 91,508 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,505 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,978 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,420 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,013 |
| Capital City Etymologies | 0 | - | 4.77 | 63,268 |
| 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 | 134,596 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,162 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,233 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,348 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,838 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,131 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,535 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,549 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,881 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,842 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,977 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,798 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,743 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,088 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,901 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,601 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,904 |
| Ancient City to Country | 0 | - | 4.70 | 107,985 |
| Official Cities in the UK | 0 | - | 4.89 | 283,383 |
| City-States | 0 | - | 4.53 | 37,246 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,109 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,651 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,704 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,177 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,957 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,429 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,103 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,409 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,942 |
| 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 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,328 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,117 |
| Capitals by River | 0 | - | 4.55 | 48,302 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,965 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 235,081 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,602 |
| The Only Country ... | 0 | - | 4.91 | 80,925 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,620 |
| Boundary Waters | 0 | - | 4.92 | 88,426 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,123 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,002 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,319 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,408 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,335 |
| 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 | 95,483 |
| 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 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,066 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,341 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,668 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,683 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,195 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,067 |
| Cities by Airports | 0 | - | 4.49 | 88,687 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,938 |
| Cities Chain #2 | 0 | - | 4.42 | 56,344 |
| Cities Chain #1 | 0 | - | 4.61 | 66,603 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,839 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,185 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,537 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,136 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,075 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,783 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,897 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,811 |
| World Capitals by a Single Clue #4 | 0 | - | 4.39 | 43,911 |
| World Capitals by a Single Clue #1 | 0 | - | 4.51 | 56,026 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,392,068 |
| Landlocked Countries | 0 | - | 4.99 | 419,675 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,008 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,613 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,542 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,427 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,769 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,118 |
