| World Capitals Quiz | 0 | - | 5.00 | 5,075,295 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,409 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,939 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,589 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,277 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,430 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,524 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,263 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,040 |
| Countries by Capital City | 0 | - | 5.00 | 68,318 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,188 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,669 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,223 |
| Moved Capital Cities | 0 | - | 4.96 | 74,223 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,571 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,520 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,480 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,912 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,943 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,146 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,667 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,234 |
| World Capitals by Map | 0 | - | 5.00 | 286,548 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,330 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,917 |
| Random Country to Capital | 0 | - | 4.98 | 920,852 |
| Capitals Starting With H | 0 | - | 4.91 | 92,593 |
| Capitals Starting With K | 0 | - | 4.88 | 83,568 |
| Capitals Starting With L | 0 | - | 4.81 | 88,123 |
| Capitals Starting With M | 0 | - | 4.93 | 107,845 |
| Capitals Starting With P | 0 | - | 4.88 | 78,235 |
| Capitals Starting With R | 0 | - | 4.87 | 81,863 |
| Capitals Starting With S | 0 | - | 4.90 | 85,817 |
| Capitals Starting With T | 0 | - | 4.85 | 76,190 |
| Capitals Starting With W | 0 | - | 4.87 | 91,319 |
| Capitals Starting With A | 0 | - | 4.97 | 128,091 |
| Capitals Starting With B | 0 | - | 4.89 | 118,541 |
| Capitals Starting With D | 0 | - | 4.93 | 96,485 |
| Former Capitals | 0 | - | 4.88 | 71,467 |
| Europe Capital to Country | 0 | - | 4.99 | 250,389 |
| Asia Capital to Country | 0 | - | 4.96 | 126,686 |
| Capital Cities Chain | 0 | - | 4.84 | 82,765 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,915 |
| European Capitals by Map | 0 | - | 4.99 | 139,278 |
| African Capitals by Map | 0 | - | 4.99 | 133,824 |
| Coldest World Capitals | 0 | - | 4.95 | 133,574 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,441 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,102 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,446 |
| European Coastal Capitals | 0 | - | 4.95 | 90,625 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,600 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,087 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,107 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,843 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,920 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,265 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,581 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,537 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,910 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,503 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,063 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,298 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,178 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,859 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,675 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,438 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,200 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,168 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,392 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,454 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,420 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,084 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,623 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,192 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,308 |
| Capitals of the Stans | 0 | - | 4.95 | 26,851 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,543 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,242 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,922 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,924 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,040 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,095 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,182 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,115 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,075 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,653 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,426 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,536 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,365 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,173 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,488 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,219 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,157 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,599 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,788 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,515 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,349 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,529 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,428 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,727 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,520 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,171 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,297 |
| Capitals Starting With N | 0 | - | 4.80 | 51,223 |
| Capitals Starting With V | 0 | - | 4.79 | 38,202 |
| Capitals Starting With C | 0 | - | 4.79 | 97,992 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,218 |
| North American Sports Cities | 0 | - | 4.83 | 172,408 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,330 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,408 |
| Name a City - European Countries | 0 | - | 4.90 | 65,403 |
| Name a Valid World City | 0 | - | 4.83 | 71,244 |
| Cities by Former Name | 0 | - | 4.83 | 91,589 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,612 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,005 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,431 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,079 |
| Capital City Etymologies | 0 | - | 4.77 | 63,311 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,835 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,732 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,181 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,584 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,457 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,246 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,407 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,876 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,147 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,566 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,724 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,009 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,103 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,135 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,919 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,817 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,227 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,806 |
| Flags to Languages | 0 | - | 4.95 | 173,679 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,460 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,113 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,025 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,189 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,985 |
| Ancient City to Country | 0 | - | 4.70 | 108,046 |
| Official Cities in the UK | 0 | - | 4.89 | 283,875 |
| City-States | 0 | - | 4.53 | 37,268 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,144 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,685 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,814 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,192 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,046 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,519 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,116 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,439 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,965 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,033 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,182 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,307 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,352 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,203 |
| Capitals by River | 0 | - | 4.55 | 48,319 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,995 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,266 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,657 |
| The Only Country ... | 0 | - | 4.91 | 81,121 |
| Boundary Waters | 0 | - | 4.92 | 88,483 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,177 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,116 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,486 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,481 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,437 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,812 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,529 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,509 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 45,617 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,152 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,574 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,180 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,929 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,882 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,822 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,092 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,235 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,229 |
| Cities by Airports | 0 | - | 4.49 | 88,737 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,008 |
| Cities Chain #2 | 0 | - | 4.42 | 56,381 |
| Cities Chain #1 | 0 | - | 4.61 | 66,629 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,325 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,207 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,603 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,159 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,117 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,803 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,911 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,985 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 45,250 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,232 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,476,326 |
| Landlocked Countries | 0 | - | 4.99 | 420,750 |
