| World Capitals by Proximity | 0 | - | 4.91 | 334,646 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,091 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,067 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,015 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,452 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,642 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,136 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,410 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,534 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,501 |
| Countries by Capital City | 0 | - | 5.00 | 69,724 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,243 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,410 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,015 |
| Moved Capital Cities | 0 | - | 4.96 | 74,764 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,884 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,787 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,615 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,475 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,457 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,002 |
| World Capitals by Map | 0 | - | 5.00 | 290,187 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,975 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,181 |
| Random Country to Capital | 0 | - | 4.98 | 930,939 |
| Capitals Starting With H | 0 | - | 4.91 | 93,494 |
| Capitals Starting With K | 0 | - | 4.89 | 84,553 |
| Capitals Starting With L | 0 | - | 4.81 | 96,153 |
| Capitals Starting With M | 0 | - | 4.94 | 109,442 |
| Capitals Starting With P | 0 | - | 4.88 | 79,165 |
| Capitals Starting With R | 0 | - | 4.89 | 82,645 |
| Capitals Starting With S | 0 | - | 4.90 | 86,739 |
| Capitals Starting With T | 0 | - | 4.86 | 76,984 |
| Capitals Starting With W | 0 | - | 4.87 | 91,818 |
| Capitals Starting With A | 0 | - | 4.97 | 129,345 |
| Capitals Starting With B | 0 | - | 4.89 | 119,704 |
| Capitals Starting With D | 0 | - | 4.94 | 97,356 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,303 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Europe Capital to Country | 0 | - | 4.99 | 252,727 |
| Asia Capital to Country | 0 | - | 4.96 | 127,748 |
| Capital Cities Chain | 0 | - | 4.84 | 83,576 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,381 |
| European Capitals by Map | 0 | - | 4.99 | 142,724 |
| African Capitals by Map | 0 | - | 4.99 | 142,717 |
| Coldest World Capitals | 0 | - | 4.95 | 134,368 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,178 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,191 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,446 |
| European Coastal Capitals | 0 | - | 4.95 | 91,547 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,295 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,506 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,861 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,294 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,781 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,579 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,896 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,968 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,834 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,402 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,762 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,395 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,843 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,534 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,918 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,604 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,705 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,590 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,106 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,298 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,926 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,746 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,246 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,347 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,855 |
| Capitals of the Stans | 0 | - | 4.95 | 27,263 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,606 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,299 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,262 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,278 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,851 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,687 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,588 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,874 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,602 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,159 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,099 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,609 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,052 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,731 |
| Capital Cities Nearest to Islands | 0 | - | 4.57 | 13,382 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,699 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,418 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,768 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,141 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,657 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,512 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,962 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,475 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,843 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,211 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,420 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,729 |
| Capitals Starting With N | 0 | - | 4.80 | 52,032 |
| Capitals Starting With V | 0 | - | 4.80 | 38,745 |
| Capitals Starting With C | 0 | - | 4.78 | 99,222 |
| North American Sports Cities | 0 | - | 4.82 | 173,356 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,095 |
| Name a City - European Countries | 0 | - | 4.89 | 66,459 |
| Name a Valid World City | 0 | - | 4.85 | 72,189 |
| Cities by Former Name | 0 | - | 4.83 | 92,224 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,784 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,224 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,506 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,683 |
| Capital City Etymologies | 0 | - | 4.77 | 63,594 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,363 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,471 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,614 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,289 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,533 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,881 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,823 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,169 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,245 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,847 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,748 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,119 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,925 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,432 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,871 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,735 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,028 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,774 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,857 |
| Ancient City to Country | 0 | - | 4.72 | 108,420 |
| Official Cities in the UK | 0 | - | 4.89 | 287,067 |
| City-States | 0 | - | 4.53 | 37,445 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,562 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,026 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,869 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,518 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,312 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,639 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,303 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,364 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,124 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,110 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,310 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,558 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,658 |
| Capitals by River | 0 | - | 4.55 | 48,411 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,264 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 237,140 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,145 |
| The Only Country ... | 0 | - | 4.91 | 82,121 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,055 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 310,085 |
| Boundary Waters | 0 | - | 4.92 | 88,872 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,903 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,641 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,105 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,124 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,070 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,605 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,661 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,411 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,217 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,615 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,173 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,053 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,385 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,544 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,106 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,795 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,542 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,029 |
| Cities by Airports | 0 | - | 4.48 | 104,192 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,531 |
| Cities Chain #2 | 0 | - | 4.42 | 56,557 |
| Cities Chain #1 | 0 | - | 4.61 | 66,883 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,172 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,400 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,232 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,297 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,380 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,990 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,064 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,159 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,677 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,425 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,007,170 |
| Landlocked Countries | 0 | - | 4.99 | 427,712 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,248 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,846 |
