| World Capitals Quiz | 0 | - | 5.00 | 5,109,342 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,694 |
| Former Capitals | 0 | - | 4.88 | 71,702 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,443 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,020 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,262 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,311 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,239 |
| Countries by Capital City | 0 | - | 5.00 | 69,496 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,920 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,276 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,091 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,873 |
| Moved Capital Cities | 0 | - | 4.96 | 74,689 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,833 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,504 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,373 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,291 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,951 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,007 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,897 |
| World Capitals by Map | 0 | - | 5.00 | 289,646 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,861 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,581 |
| Random Country to Capital | 0 | - | 4.98 | 929,038 |
| Capitals Starting With H | 0 | - | 4.91 | 93,379 |
| Capitals Starting With K | 0 | - | 4.88 | 84,454 |
| Capitals Starting With M | 0 | - | 4.94 | 109,260 |
| Capitals Starting With P | 0 | - | 4.88 | 79,057 |
| Capitals Starting With R | 0 | - | 4.88 | 82,546 |
| Capitals Starting With S | 0 | - | 4.90 | 86,621 |
| Capitals Starting With T | 0 | - | 4.86 | 76,878 |
| Capitals Starting With W | 0 | - | 4.87 | 91,765 |
| Capitals Starting With A | 0 | - | 4.97 | 129,176 |
| Capitals Starting With B | 0 | - | 4.89 | 119,570 |
| Capitals Starting With D | 0 | - | 4.94 | 97,260 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,746 |
| Europe Capital to Country | 0 | - | 4.99 | 252,267 |
| Asia Capital to Country | 0 | - | 4.96 | 127,613 |
| Capital Cities Chain | 0 | - | 4.84 | 83,442 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,093 |
| European Capitals by Map | 0 | - | 4.99 | 142,274 |
| African Capitals by Map | 0 | - | 4.99 | 142,345 |
| Coldest World Capitals | 0 | - | 4.95 | 134,189 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,007 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,973 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,253 |
| European Coastal Capitals | 0 | - | 4.95 | 91,385 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,227 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,919 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,953 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,198 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,197 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,630 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,207 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,874 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,201 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,408 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,289 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,196 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,725 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,432 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,877 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,377 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,617 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,496 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,996 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,955 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,809 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,613 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,987 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,314 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,746 |
| Capitals of the Stans | 0 | - | 4.95 | 27,182 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,719 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,596 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,286 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,094 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,145 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,720 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,582 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,328 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,899 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,717 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,434 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,942 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,594 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,389 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,284 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,501 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,493 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,844 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,124 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,123 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,592 |
| Capitals Starting With L | 0 | - | 4.80 | 95,958 |
| Capitals Starting With N | 0 | - | 4.80 | 51,939 |
| Capitals Starting With V | 0 | - | 4.80 | 38,679 |
| Capitals Starting With C | 0 | - | 4.78 | 99,072 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,889 |
| North American Sports Cities | 0 | - | 4.82 | 173,204 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,581 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,989 |
| Name a City - European Countries | 0 | - | 4.89 | 66,248 |
| Name a Valid World City | 0 | - | 4.85 | 72,046 |
| Cities by Former Name | 0 | - | 4.83 | 92,109 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,652 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,382 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,729 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,078 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,181 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,471 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,821 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,288 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,400 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,457 |
| Cities in European History #1 | 0 | - | 4.63 | 134,667 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,628 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,488 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,602 |
| Capital City Etymologies | 0 | - | 4.77 | 63,544 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,268 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,498 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,454 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,191 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,565 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,944 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,562 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,228 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,541 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,805 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,757 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,120 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,231 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,800 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,559 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,978 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,597 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,161 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,732 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,623 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,883 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,933 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,579 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,046 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,293 |
| Official Cities in the UK | 0 | - | 4.89 | 286,528 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,404 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,539 |
| The Only Country ... | 0 | - | 4.91 | 81,947 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,742 |
| Ancient City to Country | 0 | - | 4.72 | 108,372 |
| City-States | 0 | - | 4.53 | 37,419 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,517 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,835 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,172 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,307 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,642 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,100 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,088 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,283 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,367 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,499 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,579 |
| Capitals by River | 0 | - | 4.55 | 48,392 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,228 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,783 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,021 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,026 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,631 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,165 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,205 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,605 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,005 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,483 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,103 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,199 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,960 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,044 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,131 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,647 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,384 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,996 |
| Boundary Waters | 0 | - | 4.92 | 88,795 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,756 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,408 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,005 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,021 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,486 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,892 |
| Cities by Airports | 0 | - | 4.48 | 104,090 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,443 |
| Cities Chain #2 | 0 | - | 4.42 | 56,531 |
| Cities Chain #1 | 0 | - | 4.61 | 66,838 |
