| North American Sports Cities | 0 | - | 4.83 | 171,514 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,075 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,099 |
| Europe Capital to Country | 0 | - | 4.99 | 249,091 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,291 |
| European Capitals by Map | 0 | - | 4.99 | 137,993 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,690 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,064 |
| European Coastal Capitals | 0 | - | 4.95 | 90,193 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,079 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,889 |
| Official Cities in the UK | 0 | - | 4.89 | 282,393 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,760 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,753 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,968 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,051 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,369 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,515 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,744 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,380 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,894 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,766 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,956 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,965 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,226 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,382 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,407 |
| Random European Capital to Country | 0 | - | 4.98 | 190,226 |
| Random European Country to Capital | 0 | - | 4.93 | 161,007 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,289 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,510 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,986 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,310 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,227 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,244 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,069 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,951 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,754 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,565 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,202 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,672 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,689 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,098 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,129 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,606 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,280 |
| Countries by Capital City | 0 | - | 5.00 | 67,605 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,814 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,311 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,765 |
| Moved Capital Cities | 0 | - | 4.96 | 73,927 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,294 |
| Random Country to Capital | 0 | - | 4.98 | 915,811 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,479 |
| Cities in European History #1 | 0 | - | 4.63 | 133,605 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,069 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,094 |
| Cities by Former Name | 0 | - | 4.84 | 91,308 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,248 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,478 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,626 |
| World Capitals by Map | 0 | - | 5.00 | 285,011 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,019 |
| Capitals Starting With H | 0 | - | 4.90 | 91,793 |
| Capitals Starting With K | 0 | - | 4.85 | 75,989 |
| Capitals Starting With L | 0 | - | 4.81 | 87,197 |
| Capitals Starting With M | 0 | - | 4.93 | 106,667 |
| Capitals Starting With P | 0 | - | 4.88 | 77,493 |
| Capitals Starting With R | 0 | - | 4.87 | 81,273 |
| Capitals Starting With S | 0 | - | 4.89 | 85,119 |
| Capitals Starting With T | 0 | - | 4.84 | 75,603 |
| Capitals Starting With W | 0 | - | 4.87 | 90,891 |
| Capitals Starting With A | 0 | - | 4.97 | 127,027 |
| Capitals Starting With B | 0 | - | 4.89 | 117,693 |
| Capitals Starting With D | 0 | - | 4.93 | 95,766 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,958 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,518 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,922 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,269 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,780 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,288 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,383 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,624 |
| American Cities by Stadium | 0 | - | 4.02 | 36,514 |
| City by Football Clubs | 0 | - | 4.38 | 137,304 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,450 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,192 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,606 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,569 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,182 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,409 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,585 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,784 |
| Former Capitals | 0 | - | 4.88 | 71,313 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,307 |
| Asia Capital to Country | 0 | - | 4.96 | 126,250 |
| Capital Cities Chain | 0 | - | 4.84 | 82,316 |
| African Capitals by Map | 0 | - | 4.99 | 132,967 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,535 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,463 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,063 |
| Coldest World Capitals | 0 | - | 4.95 | 133,250 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,812 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,568 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,494 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,386 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,472 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,962 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,634 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,950 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,227 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,906 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,202 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,180 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,810 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,932 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,476 |
| The Only Country ... | 0 | - | 4.91 | 80,540 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,478 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,757 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,548 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,453 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,922 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,231 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,205 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,163 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,752 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,091 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,893 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,440 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,315 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,036 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,150 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,324 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,785 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,255 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,988 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,230 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,930 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,013 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,095 |
| Boroughs of London | 0 | - | 4.63 | 87,446 |
| London Geography | 0 | - | 4.47 | 59,579 |
| UK Immigration by Country | 0 | - | 4.94 | 140,454 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,516 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,224 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,081 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,958 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,581 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,842 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,810 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,874 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,271 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,870 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,079 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,356 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,722 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,950 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,202 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,901 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,218 |
| Biggest Cities in France | 0 | - | 4.70 | 223,201 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,556 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,830 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,692 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,101 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,400 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,677 |
| Ancient City to Country | 0 | - | 4.70 | 107,830 |
| City-States | 0 | - | 4.53 | 37,199 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,002 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,821 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,342 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,544 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,597 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,478 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,472 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,053 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,508 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,201 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,799 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,995 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,923 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 80,085 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,195 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,826 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,878 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,657 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,395 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,553 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,833 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,190 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,581 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,938 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,031 |
| Random African Capital to Country | 0 | - | 4.97 | 100,241 |
| Random African Country to Capital | 0 | - | 4.94 | 70,807 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,145 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,883 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,020 |
