| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,173 |
| North American Sports Cities | 0 | - | 4.83 | 172,782 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,446 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,962 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,817 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,969 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,754 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,921 |
| Europe Capital to Country | 0 | - | 4.99 | 251,243 |
| Asia Capital to Country | 0 | - | 4.96 | 127,011 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,443 |
| European Capitals by Map | 0 | - | 4.99 | 140,804 |
| African Capitals by Map | 0 | - | 4.99 | 139,560 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,239 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,477 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,839 |
| European Coastal Capitals | 0 | - | 4.95 | 90,958 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,941 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,323 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,915 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,986 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,241 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,951 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,859 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,293 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,668 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,436 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,133 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,383 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,678 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,133 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,501 |
| Capitals of the Stans | 0 | - | 4.95 | 27,002 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,320 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,352 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,019 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,371 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,775 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,738 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,682 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,855 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,716 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,570 |
| Countries by Capital City | 0 | - | 5.00 | 68,846 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,502 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,935 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,600 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,521 |
| Moved Capital Cities | 0 | - | 4.96 | 74,432 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,543 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,922 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,663 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,882 |
| Random European Capital to Country | 0 | - | 4.98 | 191,645 |
| Random European Country to Capital | 0 | - | 4.93 | 165,529 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,796 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,142 |
| Random African Capital to Country | 0 | - | 4.97 | 101,022 |
| Random African Country to Capital | 0 | - | 4.94 | 71,498 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,687 |
| Name a City - European Countries | 0 | - | 4.90 | 65,815 |
| Cities by Former Name | 0 | - | 4.83 | 91,812 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,545 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,828 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,076 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,518 |
| World Capitals by Map | 0 | - | 5.00 | 288,046 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,593 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,414 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,040 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,171 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,087 |
| Random Country to Capital | 0 | - | 4.98 | 924,086 |
| Capitals Starting With H | 0 | - | 4.91 | 92,830 |
| Capitals Starting With K | 0 | - | 4.88 | 83,881 |
| Capitals Starting With L | 0 | - | 4.81 | 88,350 |
| Capitals Starting With M | 0 | - | 4.93 | 108,246 |
| Capitals Starting With P | 0 | - | 4.88 | 78,464 |
| Capitals Starting With R | 0 | - | 4.87 | 82,071 |
| Capitals Starting With S | 0 | - | 4.90 | 86,054 |
| Capitals Starting With T | 0 | - | 4.84 | 76,397 |
| Capitals Starting With W | 0 | - | 4.87 | 91,450 |
| Capitals Starting With A | 0 | - | 4.97 | 128,426 |
| Capitals Starting With B | 0 | - | 4.88 | 118,843 |
| Capitals Starting With D | 0 | - | 4.93 | 96,731 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,385 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,218 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,607 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,576 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,038 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,350 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,277 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,560 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,993 |
| American Cities by Stadium | 0 | - | 4.02 | 36,562 |
| City by Football Clubs | 0 | - | 4.38 | 138,193 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,192 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,657 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,106 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,549 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,601 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,372 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,289 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,519 |
| Former Capitals | 0 | - | 4.88 | 71,563 |
| Capital Cities Chain | 0 | - | 4.84 | 83,070 |
| Coldest World Capitals | 0 | - | 4.95 | 133,969 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,863 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,221 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,365 |
| Official Cities in the UK | 0 | - | 4.89 | 284,968 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,063 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,657 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,766 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,923 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,300 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,685 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,579 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,370 |
| The Only Country ... | 0 | - | 4.91 | 81,539 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,436 |
| Ancient City to Country | 0 | - | 4.70 | 108,192 |
| City-States | 0 | - | 4.53 | 37,332 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,401 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,736 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,223 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,168 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,567 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,258 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,007 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,229 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,419 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,351 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,523 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,348 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,297 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,119 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,836 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,260 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,335 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,098 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,907 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,552 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,564 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 51,284 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,171 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,591 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,548 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,852 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,394 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,177 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,973 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,647 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,066 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,937 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,607 |
| Boundary Waters | 0 | - | 4.92 | 88,631 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,301 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,394 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,919 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,720 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,341 |
| Cities by Airports | 0 | - | 4.47 | 103,187 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,217 |
| Cities Chain #2 | 0 | - | 4.42 | 56,451 |
| Cities Chain #1 | 0 | - | 4.61 | 66,720 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,058 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,463 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,278 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,735 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,206 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,209 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,816 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,211 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,618 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,435 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,573 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,436 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,743 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,607 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,010 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,419 |
| Capitals Starting With N | 0 | - | 4.80 | 51,418 |
| Capitals Starting With V | 0 | - | 4.79 | 38,365 |
| Capitals Starting With C | 0 | - | 4.78 | 98,341 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,196 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,088 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,824 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,739 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,776 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,667,534 |
| Landlocked Countries | 0 | - | 4.99 | 423,051 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,766 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,138 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,574 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,591 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,450 |
| Cities with the Same Name | 0 | - | 3.94 | 36,702 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,820 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,416 |
