| World Capitals Quiz | 0 | - | 5.00 | 5,107,153 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,899 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,376 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,981 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,220 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,251 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,173 |
| Countries by Capital City | 0 | - | 5.00 | 69,421 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,869 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,247 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,824 |
| Moved Capital Cities | 0 | - | 4.96 | 74,658 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,814 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,941 |
| Capital City Etymologies | 0 | - | 4.77 | 63,533 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,736 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,460 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,022 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,004 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,733 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,991 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,861 |
| World Capitals by Map | 0 | - | 5.00 | 289,447 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,836 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,880 |
| Random Country to Capital | 0 | - | 4.98 | 928,389 |
| Capitals Starting With H | 0 | - | 4.91 | 93,350 |
| Capitals Starting With K | 0 | - | 4.89 | 84,415 |
| Capitals Starting With M | 0 | - | 4.94 | 109,211 |
| Capitals Starting With P | 0 | - | 4.88 | 79,023 |
| Capitals Starting With R | 0 | - | 4.88 | 82,524 |
| Capitals Starting With S | 0 | - | 4.90 | 86,592 |
| Capitals Starting With T | 0 | - | 4.86 | 76,854 |
| Capitals Starting With W | 0 | - | 4.87 | 91,743 |
| Capitals Starting With A | 0 | - | 4.97 | 129,131 |
| Capitals Starting With B | 0 | - | 4.89 | 119,527 |
| Capitals Starting With D | 0 | - | 4.94 | 97,224 |
| Former Capitals | 0 | - | 4.88 | 71,683 |
| Europe Capital to Country | 0 | - | 4.99 | 252,143 |
| Asia Capital to Country | 0 | - | 4.96 | 127,457 |
| Capital Cities Chain | 0 | - | 4.84 | 83,396 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,008 |
| European Capitals by Map | 0 | - | 4.99 | 142,144 |
| African Capitals by Map | 0 | - | 4.99 | 142,234 |
| Coldest World Capitals | 0 | - | 4.95 | 134,168 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,933 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,895 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,206 |
| European Coastal Capitals | 0 | - | 4.95 | 91,329 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,195 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,794 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,835 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,175 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,161 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,591 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,078 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,047 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,856 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,274 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,254 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,597 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,143 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,689 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,407 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,865 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,319 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,595 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,477 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,969 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,938 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,785 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,585 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,932 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,310 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,726 |
| Capitals of the Stans | 0 | - | 4.95 | 27,153 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,591 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,282 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,083 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,114 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,689 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,546 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,331 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,689 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,267 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,829 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,643 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,395 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,901 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,576 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,631 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,370 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,275 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,721 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,069 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,442 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,488 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,825 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,470 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,813 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,088 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,068 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,582 |
| Capitals Starting With L | 0 | - | 4.80 | 95,829 |
| Capitals Starting With N | 0 | - | 4.80 | 51,910 |
| Capitals Starting With V | 0 | - | 4.80 | 38,662 |
| Capitals Starting With C | 0 | - | 4.78 | 99,023 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,850 |
| North American Sports Cities | 0 | - | 4.82 | 173,178 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,563 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,963 |
| Name a City - European Countries | 0 | - | 4.89 | 66,199 |
| Name a Valid World City | 0 | - | 4.85 | 72,012 |
| Cities by Former Name | 0 | - | 4.83 | 92,071 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,600 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,169 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,485 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,574 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,382 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,418 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,265 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,117 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,322 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,737 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,114 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,229 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,786 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,504 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,938 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,523 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,100 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,698 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,593 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,855 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,710 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,708 |
| Ancient City to Country | 0 | - | 4.70 | 108,353 |
| Official Cities in the UK | 0 | - | 4.89 | 286,325 |
| City-States | 0 | - | 4.53 | 37,404 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,507 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,817 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,357 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,281 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,506 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,109 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,231 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,575 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,091 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,085 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,277 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,365 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,492 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,554 |
| Capitals by River | 0 | - | 4.55 | 48,387 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,212 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,702 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,001 |
| The Only Country ... | 0 | - | 4.91 | 81,903 |
| Boundary Waters | 0 | - | 4.92 | 88,776 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,715 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,363 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,983 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,987 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,018 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,585 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,618 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,105 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,202 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,949 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,280 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,035 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,024 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,475 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,863 |
| Cities by Airports | 0 | - | 4.47 | 104,053 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,424 |
| Cities Chain #2 | 0 | - | 4.42 | 56,527 |
| Cities Chain #1 | 0 | - | 4.61 | 66,831 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,777 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,357 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,161 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,265 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,320 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,948 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,034 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,128 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,641 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,379 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,891,655 |
| Landlocked Countries | 0 | - | 4.99 | 426,046 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,986 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,680 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,946 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,553 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,916 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,028 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,165 |
