| North American Sports Cities | 0 | - | 4.83 | 172,932 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,484 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,023 |
| Europe Capital to Country | 0 | - | 4.99 | 251,528 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,634 |
| European Capitals by Map | 0 | - | 4.99 | 141,353 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,622 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,969 |
| European Coastal Capitals | 0 | - | 4.95 | 91,074 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,250 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,767 |
| Official Cities in the UK | 0 | - | 4.89 | 285,412 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,387 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,810 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,457 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,569 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,285 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,106 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,688 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,318 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,021 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,219 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,434 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,918 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,393 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,710 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Random European Capital to Country | 0 | - | 4.98 | 191,812 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,212 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,645 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,040 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,211 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,240 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,944 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,373 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,637 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,658 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,964 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,949 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,907 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,889 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,787 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,977 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,908 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,773 |
| Countries by Capital City | 0 | - | 5.00 | 69,055 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,039 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,622 |
| Moved Capital Cities | 0 | - | 4.96 | 74,518 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,048 |
| Random Country to Capital | 0 | - | 4.98 | 925,337 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,270 |
| Cities in European History #1 | 0 | - | 4.63 | 134,429 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,643 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,777 |
| Cities by Former Name | 0 | - | 4.83 | 91,890 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,596 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,871 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,610 |
| World Capitals by Map | 0 | - | 5.00 | 288,529 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,667 |
| Capitals Starting With H | 0 | - | 4.91 | 92,906 |
| Capitals Starting With K | 0 | - | 4.88 | 83,960 |
| Capitals Starting With L | 0 | - | 4.81 | 88,414 |
| Capitals Starting With M | 0 | - | 4.93 | 108,389 |
| Capitals Starting With P | 0 | - | 4.88 | 78,532 |
| Capitals Starting With R | 0 | - | 4.87 | 82,128 |
| Capitals Starting With S | 0 | - | 4.90 | 86,124 |
| Capitals Starting With T | 0 | - | 4.85 | 76,460 |
| Capitals Starting With W | 0 | - | 4.87 | 91,485 |
| Capitals Starting With A | 0 | - | 4.97 | 128,541 |
| Capitals Starting With B | 0 | - | 4.89 | 118,938 |
| Capitals Starting With D | 0 | - | 4.93 | 96,808 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,622 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,648 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,293 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,935 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,857 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,327 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,685 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,651 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,378 |
| American Cities by Stadium | 0 | - | 4.02 | 36,571 |
| City by Football Clubs | 0 | - | 4.38 | 138,263 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,234 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,698 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,771 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,478 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,144 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,408 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,624 |
| Former Capitals | 0 | - | 4.88 | 71,600 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,692 |
| Asia Capital to Country | 0 | - | 4.96 | 127,161 |
| Capital Cities Chain | 0 | - | 4.84 | 83,171 |
| African Capitals by Map | 0 | - | 4.99 | 141,340 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,821 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,429 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,965 |
| Coldest World Capitals | 0 | - | 4.95 | 134,058 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,562 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,237 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,798 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,067 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,710 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,072 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,049 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,369 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,951 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,761 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,774 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,632 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,434 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,275 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,342 |
| The Only Country ... | 0 | - | 4.91 | 81,653 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,037 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,631 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,840 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,921 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,052 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,429 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,618 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,028 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,208 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,016 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,623 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,554 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,757 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,578 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,307 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,440 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,515 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,441 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,423 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,825 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,311 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,703 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,278 |
| Boroughs of London | 0 | - | 4.63 | 88,319 |
| London Geography | 0 | - | 4.47 | 59,806 |
| UK Immigration by Country | 0 | - | 4.94 | 141,431 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,553 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,201 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,609 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,415 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,186 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,418 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,820 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,795 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,000 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,015 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,960 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,263 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,447 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,298 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,830 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,728 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,664 |
| Biggest Cities in France | 0 | - | 4.70 | 224,900 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,826 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,185 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,170 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,721 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,387 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,963 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,536 |
| Ancient City to Country | 0 | - | 4.70 | 108,245 |
| City-States | 0 | - | 4.53 | 37,362 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,435 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,876 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,466 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,718 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,768 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,178 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,455 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,187 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,577 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,270 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,035 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,110 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,729 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,448 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,381 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,983 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,663 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,110 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,245 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,843 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,751 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,872 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,255 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,608 |
