| World Capitals Quiz | 0 | - | 5.00 | 5,065,023 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,369 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,997 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,260 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,304 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,007 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,691 |
| Countries by Capital City | 0 | - | 5.00 | 67,976 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,999 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,490 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,001 |
| Moved Capital Cities | 0 | - | 4.96 | 74,078 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,439 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,751 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,100 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,754 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,213 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,373 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,337 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,592 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,952 |
| World Capitals by Map | 0 | - | 5.00 | 285,722 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,180 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,484 |
| Random Country to Capital | 0 | - | 4.98 | 918,794 |
| Capitals Starting With H | 0 | - | 4.91 | 92,322 |
| Capitals Starting With K | 0 | - | 4.88 | 82,583 |
| Capitals Starting With L | 0 | - | 4.81 | 87,830 |
| Capitals Starting With M | 0 | - | 4.93 | 107,451 |
| Capitals Starting With P | 0 | - | 4.88 | 77,987 |
| Capitals Starting With R | 0 | - | 4.87 | 81,635 |
| Capitals Starting With S | 0 | - | 4.90 | 85,576 |
| Capitals Starting With T | 0 | - | 4.85 | 76,000 |
| Capitals Starting With W | 0 | - | 4.87 | 91,170 |
| Capitals Starting With A | 0 | - | 4.97 | 127,622 |
| Capitals Starting With B | 0 | - | 4.89 | 118,226 |
| Capitals Starting With D | 0 | - | 4.93 | 96,216 |
| Former Capitals | 0 | - | 4.88 | 71,396 |
| Europe Capital to Country | 0 | - | 4.99 | 249,662 |
| Asia Capital to Country | 0 | - | 4.96 | 126,508 |
| Capital Cities Chain | 0 | - | 4.83 | 82,534 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,644 |
| European Capitals by Map | 0 | - | 4.99 | 138,672 |
| African Capitals by Map | 0 | - | 4.99 | 133,417 |
| Coldest World Capitals | 0 | - | 4.95 | 133,485 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,120 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,928 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,269 |
| European Coastal Capitals | 0 | - | 4.95 | 90,420 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,518 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,336 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,636 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,758 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,427 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,718 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,754 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,586 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,271 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,468 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,238 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,316 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,924 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,044 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,735 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,730 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,612 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,226 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,096 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,089 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,149 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,331 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,309 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,956 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,336 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,914 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,155 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,198 |
| Capitals of the Stans | 0 | - | 4.95 | 26,766 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,526 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,219 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,860 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,555 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,786 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,967 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,903 |
| Find the City #1 | 0 | - | 4.97 | 42,711 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,935 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,783 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,375 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,134 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,324 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,190 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,071 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,293 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,294 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,170 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,120 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,566 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,710 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,251 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,327 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,457 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,419 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,711 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,352 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,901 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,239 |
| Capitals Starting With N | 0 | - | 4.80 | 51,023 |
| Capitals Starting With V | 0 | - | 4.79 | 38,056 |
| Capitals Starting With C | 0 | - | 4.79 | 97,644 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,431 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,081 |
| North American Sports Cities | 0 | - | 4.83 | 171,823 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,265 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,279 |
| Name a City - European Countries | 0 | - | 4.90 | 65,226 |
| Name a Valid World City | 0 | - | 4.83 | 70,994 |
| Cities by Former Name | 0 | - | 4.83 | 91,455 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,135 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,443 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,966 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,413 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,980 |
| Capital City Etymologies | 0 | - | 4.77 | 63,248 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,657 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,922 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,514 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,158 |
| Largest City by Island | 0 | - | 4.87 | 71,713 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,307 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,818 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,121 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,516 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,461 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,812 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,674 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,878 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,732 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,713 |
| Name a City in EVERY Country - No Capitals | 0 | - | 4.63 | 67,004 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,010 |
| African Island Countries | 0 | - | 4.96 | 101,474 |
| Islands by Country #1 | 0 | - | 4.88 | 175,133 |
| Terrible Capital Spellings Accepted by JetPunk #1 | 0 | - | 4.63 | 33,404 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,292 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,861 |
| Ancient City to Country | 0 | - | 4.70 | 107,950 |
| Official Cities in the UK | 0 | - | 4.89 | 283,179 |
| City-States | 0 | - | 4.53 | 37,232 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,089 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,629 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,648 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,164 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,923 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,386 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,090 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,389 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,925 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,009 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,159 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,309 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,088 |
| Capitals by River | 0 | - | 4.55 | 48,294 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,947 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,955 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,572 |
| The Only Country ... | 0 | - | 4.91 | 80,822 |
| Richest Island Countries | 0 | - | 4.84 | 100,339 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,642 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,779 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,097 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,936 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,218 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,359 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,289 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,761 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,510 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,465 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,666 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,139 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,976 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,134 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,560 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,595 |
| World's Fair Host Cities | 0 | - | 4.74 | 17,293 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,176 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,988 |
| Cities by Airports | 0 | - | 4.49 | 88,658 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,834 |
| Cities Chain #2 | 0 | - | 4.42 | 56,329 |
| Cities Chain #1 | 0 | - | 4.61 | 66,588 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,431 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,178 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,515 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,127 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,058 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,770 |
