| World Capitals by Proximity | 0 | - | 4.91 | 331,288 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,702 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,641 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,156 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,751 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,203 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,374 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,458 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,187 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,938 |
| Countries by Capital City | 0 | - | 5.00 | 68,210 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,139 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,622 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,159 |
| Moved Capital Cities | 0 | - | 4.96 | 74,182 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,549 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,880 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,356 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,586 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,380 |
| World Capitals by Map | 0 | - | 5.00 | 286,301 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,277 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,634 |
| Random Country to Capital | 0 | - | 4.98 | 920,135 |
| Capitals Starting With H | 0 | - | 4.91 | 92,521 |
| Capitals Starting With K | 0 | - | 4.88 | 83,404 |
| Capitals Starting With L | 0 | - | 4.81 | 88,042 |
| Capitals Starting With M | 0 | - | 4.93 | 107,735 |
| Capitals Starting With P | 0 | - | 4.88 | 78,165 |
| Capitals Starting With R | 0 | - | 4.87 | 81,797 |
| Capitals Starting With S | 0 | - | 4.90 | 85,747 |
| Capitals Starting With T | 0 | - | 4.85 | 76,140 |
| Capitals Starting With W | 0 | - | 4.87 | 91,286 |
| Capitals Starting With A | 0 | - | 4.97 | 127,858 |
| Capitals Starting With B | 0 | - | 4.89 | 118,435 |
| Capitals Starting With D | 0 | - | 4.93 | 96,397 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,142 |
| Former Capitals | 0 | - | 4.88 | 71,444 |
| Europe Capital to Country | 0 | - | 4.99 | 250,002 |
| Asia Capital to Country | 0 | - | 4.96 | 126,634 |
| Capital Cities Chain | 0 | - | 4.83 | 82,707 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,829 |
| European Capitals by Map | 0 | - | 4.99 | 139,068 |
| African Capitals by Map | 0 | - | 4.99 | 133,735 |
| Coldest World Capitals | 0 | - | 4.95 | 133,543 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,335 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,043 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,395 |
| European Coastal Capitals | 0 | - | 4.95 | 90,563 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,571 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,827 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,906 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,816 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,533 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,863 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,050 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,226 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,512 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,636 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,438 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,009 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,221 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,078 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,808 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,657 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,366 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,158 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,148 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,333 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,411 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,378 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,051 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,544 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,175 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,271 |
| Capitals of the Stans | 0 | - | 4.95 | 26,834 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,538 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,233 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,906 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,792 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 66,951 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,058 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,076 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,075 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,992 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,562 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,337 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,479 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,309 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,140 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,301 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,480 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,205 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,587 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,758 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,433 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,343 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,504 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,422 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,723 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,476 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,099 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,276 |
| Capitals Starting With N | 0 | - | 4.80 | 51,165 |
| Capitals Starting With V | 0 | - | 4.79 | 38,163 |
| Capitals Starting With C | 0 | - | 4.79 | 97,876 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,451 |
| North American Sports Cities | 0 | - | 4.83 | 172,337 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,312 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,372 |
| Name a City - European Countries | 0 | - | 4.90 | 65,346 |
| Name a Valid World City | 0 | - | 4.83 | 71,158 |
| Cities by Former Name | 0 | - | 4.83 | 91,549 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,552 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,991 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,424 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,040 |
| Capital City Etymologies | 0 | - | 4.77 | 63,290 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,752 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,973 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,670 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,168 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,936 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,323 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,239 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,380 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,856 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,140 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,551 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,626 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,936 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,966 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,066 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,852 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,781 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,158 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,867 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,895 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,937 |
| Ancient City to Country | 0 | - | 4.70 | 108,012 |
| Official Cities in the UK | 0 | - | 4.89 | 283,621 |
| City-States | 0 | - | 4.53 | 37,258 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,129 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,567 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,665 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,753 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,185 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,002 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,469 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,110 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,955 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,024 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,173 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,342 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,166 |
| Capitals by River | 0 | - | 4.55 | 48,309 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,987 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,171 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,629 |
| The Only Country ... | 0 | - | 4.91 | 81,000 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,178 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 307,244 |
| Boundary Waters | 0 | - | 4.92 | 88,455 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,153 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,052 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,407 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,449 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,389 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,797 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,523 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,498 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,696 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,149 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,126 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,560 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,777 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,757 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,684 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,541 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,215 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,158 |
| Cities by Airports | 0 | - | 4.49 | 88,714 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,978 |
| Cities Chain #2 | 0 | - | 4.42 | 56,366 |
| Cities Chain #1 | 0 | - | 4.61 | 66,623 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,097 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,198 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,574 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,148 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,091 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,789 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,904 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,940 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 44,935 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,173 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,433,855 |
| Landlocked Countries | 0 | - | 4.99 | 420,146 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,366 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,544 |
