| Summer Olympic City Bids | 0 | - | 4.93 | 42,306 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,936 |
| North American Sports Cities | 0 | - | 4.83 | 172,332 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,037 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,425 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,469 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,061 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,185 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,361 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,441 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,167 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,905 |
| Countries by Capital City | 0 | - | 5.00 | 68,191 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,129 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,611 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,142 |
| Moved Capital Cities | 0 | - | 4.96 | 74,163 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,242 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,144 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,868 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,358 |
| Name a City - European Countries | 0 | - | 4.90 | 65,335 |
| Cities by Former Name | 0 | - | 4.83 | 91,538 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,253 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,469 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,374 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,636 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,129 |
| World Capitals by Map | 0 | - | 5.00 | 286,213 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,262 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,437 |
| Random Country to Capital | 0 | - | 4.98 | 919,986 |
| Capitals Starting With H | 0 | - | 4.91 | 92,505 |
| Capitals Starting With K | 0 | - | 4.88 | 83,369 |
| Capitals Starting With L | 0 | - | 4.81 | 88,027 |
| Capitals Starting With M | 0 | - | 4.93 | 107,715 |
| Capitals Starting With P | 0 | - | 4.88 | 78,150 |
| Capitals Starting With R | 0 | - | 4.87 | 81,786 |
| Capitals Starting With S | 0 | - | 4.90 | 85,736 |
| Capitals Starting With T | 0 | - | 4.85 | 76,131 |
| Capitals Starting With W | 0 | - | 4.87 | 91,273 |
| Capitals Starting With A | 0 | - | 4.97 | 127,837 |
| Capitals Starting With B | 0 | - | 4.89 | 118,415 |
| Capitals Starting With D | 0 | - | 4.93 | 96,380 |
| Olympic Host Countries | 0 | - | 4.98 | 200,660 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,239 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,374 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,853 |
| American Cities by Stadium | 0 | - | 4.02 | 36,542 |
| City by Football Clubs | 0 | - | 4.38 | 137,914 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,136 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,545 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,607 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,927 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,039 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,840 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,773 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,145 |
| Former Capitals | 0 | - | 4.88 | 71,436 |
| Europe Capital to Country | 0 | - | 4.99 | 249,965 |
| Asia Capital to Country | 0 | - | 4.96 | 126,622 |
| Capital Cities Chain | 0 | - | 4.83 | 82,698 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,806 |
| European Capitals by Map | 0 | - | 4.99 | 139,030 |
| African Capitals by Map | 0 | - | 4.99 | 133,715 |
| Coldest World Capitals | 0 | - | 4.95 | 133,535 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,310 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,025 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,379 |
| European Coastal Capitals | 0 | - | 4.95 | 90,553 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,567 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,875 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,811 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,923 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,521 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,856 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,080 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,932 |
| Ancient City to Country | 0 | - | 4.70 | 108,005 |
| Official Cities in the UK | 0 | - | 4.89 | 283,555 |
| City-States | 0 | - | 4.53 | 37,257 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,126 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,663 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,744 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,184 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,108 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,536 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,510 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,233 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,902 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,163 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,597 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,426 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,998 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,204 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,057 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,804 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,650 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,351 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,768 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 66,938 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,048 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,156 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,142 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,315 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,404 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,365 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,045 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,519 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,174 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,266 |
| The Only Country ... | 0 | - | 4.91 | 80,982 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,356 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,853 |
| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,137 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,041 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,393 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,443 |
| 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 | 95,496 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,692 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,148 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,114 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,515 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,763 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,746 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,068 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,972 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,532 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,321 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,464 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,300 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,131 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,211 |
| Cities by Airports | 0 | - | 4.49 | 88,708 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,974 |
| Cities Chain #2 | 0 | - | 4.42 | 56,365 |
| Cities Chain #1 | 0 | - | 4.61 | 66,620 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,050 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,196 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,568 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,146 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,090 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,141 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,339 |
| Capitals Starting With N | 0 | - | 4.80 | 51,154 |
| Capitals Starting With V | 0 | - | 4.79 | 38,151 |
| Capitals Starting With C | 0 | - | 4.79 | 97,852 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,425,546 |
| Landlocked Countries | 0 | - | 4.99 | 420,027 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,497 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,141 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,619 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,559 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,433 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,775 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,000 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,099 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,904 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,329 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,473 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,201 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,584 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,753 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,420 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,499 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,422 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,633 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,723 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,468 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,075 |
| Random European Capital to Country | 0 | - | 4.98 | 190,821 |
| Random European Country to Capital | 0 | - | 4.93 | 165,042 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,389 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,722 |
| Random African Capital to Country | 0 | - | 4.97 | 100,674 |
| Random African Country to Capital | 0 | - | 4.94 | 71,179 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,271 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,080 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,600 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,448 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,573 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,779 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,096 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,940 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,391 |
| Cities with the Same Name | 0 | - | 3.94 | 36,680 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,806 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,394 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,982 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,117 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,962 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,361 |
| Cities in European History #1 | 0 | - | 4.63 | 133,951 |
| Cities with the Most Opera Performances | 0 | - | 4.63 | 41,421 |
