| Summer Olympic City Bids | 0 | - | 4.93 | 42,274 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,735 |
| North American Sports Cities | 0 | - | 4.83 | 171,997 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,020 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,297 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,772 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,931 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,027 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,273 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,330 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,037 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,720 |
| Countries by Capital City | 0 | - | 5.00 | 68,007 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,021 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,509 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,021 |
| Moved Capital Cities | 0 | - | 4.96 | 74,090 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,453 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,814 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,005 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,777 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,290 |
| Name a City - European Countries | 0 | - | 4.90 | 65,257 |
| Cities by Former Name | 0 | - | 4.83 | 91,469 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,411 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,580 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,345 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,600 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,980 |
| World Capitals by Map | 0 | - | 5.00 | 285,783 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,199 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,865 |
| Random Country to Capital | 0 | - | 4.98 | 918,998 |
| Capitals Starting With H | 0 | - | 4.91 | 92,363 |
| Capitals Starting With K | 0 | - | 4.88 | 82,836 |
| Capitals Starting With L | 0 | - | 4.81 | 87,874 |
| Capitals Starting With M | 0 | - | 4.93 | 107,514 |
| Capitals Starting With P | 0 | - | 4.88 | 78,019 |
| Capitals Starting With R | 0 | - | 4.87 | 81,665 |
| Capitals Starting With S | 0 | - | 4.90 | 85,605 |
| Capitals Starting With T | 0 | - | 4.85 | 76,024 |
| Capitals Starting With W | 0 | - | 4.87 | 91,194 |
| Capitals Starting With A | 0 | - | 4.97 | 127,667 |
| Capitals Starting With B | 0 | - | 4.89 | 118,272 |
| Capitals Starting With D | 0 | - | 4.93 | 96,260 |
| Olympic Host Countries | 0 | - | 4.98 | 200,497 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,229 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,320 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,823 |
| American Cities by Stadium | 0 | - | 4.02 | 36,532 |
| City by Football Clubs | 0 | - | 4.38 | 137,865 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,125 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,521 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,491 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,844 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,897 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,748 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,724 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,040 |
| Former Capitals | 0 | - | 4.88 | 71,400 |
| Europe Capital to Country | 0 | - | 4.99 | 249,722 |
| Asia Capital to Country | 0 | - | 4.96 | 126,527 |
| Capital Cities Chain | 0 | - | 4.83 | 82,568 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,685 |
| European Capitals by Map | 0 | - | 4.99 | 138,772 |
| African Capitals by Map | 0 | - | 4.99 | 133,468 |
| Coldest World Capitals | 0 | - | 4.95 | 133,491 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,149 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,945 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,292 |
| European Coastal Capitals | 0 | - | 4.95 | 90,443 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,523 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,419 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,692 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,771 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,442 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,742 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,955 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,882 |
| Ancient City to Country | 0 | - | 4.70 | 107,960 |
| Official Cities in the UK | 0 | - | 4.89 | 283,237 |
| City-States | 0 | - | 4.53 | 37,236 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,094 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,639 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,666 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,165 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,934 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,403 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,097 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,527 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,476 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,224 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,866 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,685 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,318 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,335 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,936 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,065 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,813 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,740 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,620 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,248 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,590 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,814 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,977 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,106 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,102 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,175 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,339 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,319 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,977 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,371 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,159 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,211 |
| The Only Country ... | 0 | - | 4.91 | 80,853 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,301 |
| Capitals of the Stans | 0 | - | 4.95 | 26,779 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,780 |
| Boundary Waters | 0 | - | 4.92 | 88,400 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,106 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,963 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,245 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,376 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,301 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,767 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,513 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,471 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,668 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,139 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,008 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,207 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,587 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,621 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,942 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,823 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,407 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,172 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,353 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,220 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,077 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,182 |
| Cities by Airports | 0 | - | 4.49 | 88,667 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,875 |
| Cities Chain #2 | 0 | - | 4.42 | 56,332 |
| Cities Chain #1 | 0 | - | 4.61 | 66,593 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,539 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,180 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,519 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,131 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,065 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,123 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,331 |
| Capitals Starting With N | 0 | - | 4.80 | 51,054 |
| Capitals Starting With V | 0 | - | 4.79 | 38,078 |
| Capitals Starting With C | 0 | - | 4.79 | 97,682 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,362,333 |
| Landlocked Countries | 0 | - | 4.99 | 419,338 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,425 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,052 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,012 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,610 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,514 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,425 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,767 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,355 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,094 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,893 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,304 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,297 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,175 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,570 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,718 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,280 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,463 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,419 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,908 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,582 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,712 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,364 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,931 |
| Random European Capital to Country | 0 | - | 4.98 | 190,702 |
| Random European Country to Capital | 0 | - | 4.93 | 164,845 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,323 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,650 |
| Random African Capital to Country | 0 | - | 4.97 | 100,542 |
| Random African Country to Capital | 0 | - | 4.94 | 71,119 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,246 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,908 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,246 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,434 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,520 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,682 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,737 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,978 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,345 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,370 |
| Cities with the Same Name | 0 | - | 3.94 | 36,671 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,802 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,391 |
