| North American Sports Cities | 0 | - | 4.83 | 171,090 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,969 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,438 |
| Europe Capital to Country | 0 | - | 4.99 | 248,333 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,766 |
| European Capitals by Map | 0 | - | 4.99 | 136,948 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,406 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,783 |
| European Coastal Capitals | 0 | - | 4.95 | 89,928 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,270 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,708 |
| Official Cities in the UK | 0 | - | 4.89 | 281,157 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,554 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,325 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,801 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,878 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,810 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,056 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,407 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,463 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,815 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,234 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,776 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,804 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,855 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,269 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,182 |
| Random European Capital to Country | 0 | - | 4.98 | 189,460 |
| Random European Country to Capital | 0 | - | 4.92 | 147,650 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,989 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,750 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,955 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,018 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,827 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,702 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,993 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,362 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,419 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,066 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,773 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,292 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,267 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,862 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,822 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,985 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,801 |
| Countries by Capital City | 0 | - | 5.00 | 67,032 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,523 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,051 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,529 |
| Moved Capital Cities | 0 | - | 4.96 | 73,722 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,422 |
| Random Country to Capital | 0 | - | 4.98 | 913,071 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,249 |
| Cities in European History #1 | 0 | - | 4.63 | 133,331 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,954 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,880 |
| Cities by Former Name | 0 | - | 4.84 | 91,093 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,785 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,332 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,195 |
| World Capitals by Map | 0 | - | 5.00 | 284,025 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,798 |
| Capitals Starting With H | 0 | - | 4.90 | 91,496 |
| Capitals Starting With K | 0 | - | 4.85 | 75,816 |
| Capitals Starting With L | 0 | - | 4.81 | 86,981 |
| Capitals Starting With M | 0 | - | 4.93 | 106,317 |
| Capitals Starting With P | 0 | - | 4.88 | 77,311 |
| Capitals Starting With R | 0 | - | 4.87 | 81,084 |
| Capitals Starting With S | 0 | - | 4.89 | 84,941 |
| Capitals Starting With T | 0 | - | 4.84 | 75,410 |
| Capitals Starting With W | 0 | - | 4.89 | 90,729 |
| Capitals Starting With A | 0 | - | 4.97 | 126,724 |
| Capitals Starting With B | 0 | - | 4.89 | 117,441 |
| Capitals Starting With D | 0 | - | 4.93 | 95,533 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,730 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,545 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,295 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,758 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,640 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,168 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,088 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,425 |
| American Cities by Stadium | 0 | - | 4.02 | 36,497 |
| City by Football Clubs | 0 | - | 4.38 | 137,140 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,358 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,536 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,341 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,126 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,854 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,196 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,423 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,427 |
| Former Capitals | 0 | - | 4.88 | 71,207 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,196 |
| Asia Capital to Country | 0 | - | 4.96 | 125,926 |
| Capital Cities Chain | 0 | - | 4.84 | 82,054 |
| African Capitals by Map | 0 | - | 4.99 | 132,442 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,029 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,473 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,798 |
| Coldest World Capitals | 0 | - | 4.95 | 133,121 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,456 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,309 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,353 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,258 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,516 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,606 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,488 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,795 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,942 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,671 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,988 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,021 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,620 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,507 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,140 |
| The Only Country ... | 0 | - | 4.91 | 80,108 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,889 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,332 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,673 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,313 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,882 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,815 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,178 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,620 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,651 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,047 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,842 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,360 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,214 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,777 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,639 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,971 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,550 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,192 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,847 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,744 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,496 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,775 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,061 |
| Boroughs of London | 0 | - | 4.63 | 87,201 |
| London Geography | 0 | - | 4.47 | 59,505 |
| UK Immigration by Country | 0 | - | 4.94 | 139,881 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,157 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,535 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,497 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,552 |
| FIFA World Cup Final Host Cities | 0 | - | 4.66 | 28,348 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,719 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,473 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,584 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,592 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,520 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,851 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,978 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,558 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,846 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,733 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,652 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,089 |
| Biggest Cities in France | 0 | - | 4.69 | 222,717 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,109 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,716 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,534 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,011 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,820 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,372 |
| Ancient City to Country | 0 | - | 4.70 | 107,689 |
| City-States | 0 | - | 4.53 | 37,138 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,853 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,800 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,303 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,183 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,527 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,217 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,132 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,003 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,483 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,167 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,724 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,640 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,845 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 78,705 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,820 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,675 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,840 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,374 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,369 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,361 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,717 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,997 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,196 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,499 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,580 |
| Random African Capital to Country | 0 | - | 4.97 | 99,833 |
| Random African Country to Capital | 0 | - | 4.94 | 70,331 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,054 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,665 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,933 |
