| World Capitals Quiz | 0 | - | 5.00 | 5,078,954 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,611 |
| Former Capitals | 0 | - | 4.88 | 71,492 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,405 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,484 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,596 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,349 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,161 |
| Countries by Capital City | 0 | - | 5.00 | 68,464 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,262 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,740 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,308 |
| Moved Capital Cities | 0 | - | 4.96 | 74,277 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,606 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,767 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,505 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,967 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,438 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,712 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,304 |
| World Capitals by Map | 0 | - | 5.00 | 287,038 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,390 |
| Capitals Starting With H | 0 | - | 4.91 | 92,652 |
| Capitals Starting With K | 0 | - | 4.88 | 83,675 |
| Capitals Starting With L | 0 | - | 4.81 | 88,178 |
| Capitals Starting With M | 0 | - | 4.93 | 107,951 |
| Capitals Starting With P | 0 | - | 4.88 | 78,281 |
| Capitals Starting With R | 0 | - | 4.87 | 81,919 |
| Capitals Starting With S | 0 | - | 4.90 | 85,882 |
| Capitals Starting With T | 0 | - | 4.85 | 76,237 |
| Capitals Starting With W | 0 | - | 4.87 | 91,352 |
| Capitals Starting With A | 0 | - | 4.97 | 128,187 |
| Capitals Starting With B | 0 | - | 4.89 | 118,610 |
| Capitals Starting With D | 0 | - | 4.93 | 96,542 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,696 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,897 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,983 |
| Random Country to Capital | 0 | - | 4.98 | 921,677 |
| Europe Capital to Country | 0 | - | 4.99 | 250,581 |
| Asia Capital to Country | 0 | - | 4.96 | 126,750 |
| Capital Cities Chain | 0 | - | 4.83 | 82,837 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,038 |
| European Capitals by Map | 0 | - | 4.99 | 139,584 |
| African Capitals by Map | 0 | - | 4.99 | 134,026 |
| Coldest World Capitals | 0 | - | 4.95 | 133,605 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,540 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,184 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,527 |
| European Coastal Capitals | 0 | - | 4.95 | 90,705 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,628 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,380 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,266 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,877 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,666 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,008 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,524 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,552 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,566 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,245 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,955 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,973 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,223 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,573 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,122 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,413 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,258 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,918 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,702 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,540 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,074 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,107 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,147 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,236 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,206 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,472 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,525 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,469 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,135 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,753 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,207 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,349 |
| Capitals of the Stans | 0 | - | 4.95 | 26,876 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,317 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,181 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,214 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,739 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,544 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,628 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,428 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,231 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,502 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,237 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,166 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,618 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,822 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,359 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,433 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,734 |
| Capitals Starting With N | 0 | - | 4.80 | 51,268 |
| Capitals Starting With V | 0 | - | 4.79 | 38,242 |
| Capitals Starting With C | 0 | - | 4.79 | 98,073 |
| North American Sports Cities | 0 | - | 4.83 | 172,512 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,361 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,467 |
| Name a City - European Countries | 0 | - | 4.90 | 65,493 |
| Name a Valid World City | 0 | - | 4.83 | 71,340 |
| Cities by Former Name | 0 | - | 4.83 | 91,637 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,611 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,559 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,581 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,289 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,327 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,296 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,250 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,431 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,907 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,159 |
| Cities in European History #1 | 0 | - | 4.63 | 134,108 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,302 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,693 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,023 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,444 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,128 |
| Capital City Etymologies | 0 | - | 4.77 | 63,347 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,888 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,035 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,838 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,191 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,766 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,079 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,653 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,406 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,258 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,832 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,290 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,596 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,335 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,591 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,835 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,078 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,280 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,250 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,995 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,880 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,424 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,812 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,213 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,184 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,583 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,531 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,495 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,404 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,837 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,838 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,538 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,527 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,184 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,040 |
| Ancient City to Country | 0 | - | 4.70 | 108,087 |
| Official Cities in the UK | 0 | - | 4.89 | 284,175 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,155 |
| City-States | 0 | - | 4.53 | 37,286 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,575 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,171 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,698 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,877 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,200 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,093 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,590 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,130 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,981 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,035 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,194 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,313 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,008 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,432 |
| The Only Country ... | 0 | - | 4.91 | 81,274 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,365 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,248 |
| Capitals by River | 0 | - | 4.55 | 48,328 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,690 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,524,978 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,270 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,316 |
| Cities by Airports | 0 | - | 4.49 | 88,777 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,075 |
| Cities Chain #2 | 0 | - | 4.42 | 56,410 |
| Cities Chain #1 | 0 | - | 4.61 | 66,654 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,544 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,264 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,221 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,645 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,033 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,640 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,171 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,894 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,139 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,820 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,925 |
