| North American Sports Cities | 0 | - | 4.82 | 173,203 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,581 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,597 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,315 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,675 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,594 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,387 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,442 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,020 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,262 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,311 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,237 |
| Countries by Capital City | 0 | - | 5.00 | 69,494 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,918 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,275 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,088 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,872 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,843 |
| Moved Capital Cities | 0 | - | 4.96 | 74,689 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,833 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,892 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,500 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,503 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,761 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,988 |
| Name a City - European Countries | 0 | - | 4.89 | 66,247 |
| Cities by Former Name | 0 | - | 4.83 | 92,109 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,337 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,289 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,951 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,007 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,896 |
| World Capitals by Map | 0 | - | 5.00 | 289,645 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,861 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,574 |
| Random Country to Capital | 0 | - | 4.98 | 929,035 |
| Capitals Starting With H | 0 | - | 4.91 | 93,379 |
| Capitals Starting With K | 0 | - | 4.88 | 84,453 |
| Capitals Starting With M | 0 | - | 4.94 | 109,260 |
| Capitals Starting With P | 0 | - | 4.88 | 79,057 |
| Capitals Starting With R | 0 | - | 4.88 | 82,546 |
| Capitals Starting With S | 0 | - | 4.90 | 86,621 |
| Capitals Starting With T | 0 | - | 4.86 | 76,878 |
| Capitals Starting With W | 0 | - | 4.87 | 91,765 |
| Capitals Starting With A | 0 | - | 4.97 | 129,176 |
| Capitals Starting With B | 0 | - | 4.89 | 119,570 |
| Capitals Starting With D | 0 | - | 4.94 | 97,260 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,914 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,746 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,800 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,558 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,978 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,161 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,730 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,623 |
| Former Capitals | 0 | - | 4.88 | 71,700 |
| Europe Capital to Country | 0 | - | 4.99 | 252,264 |
| Asia Capital to Country | 0 | - | 4.96 | 127,613 |
| Capital Cities Chain | 0 | - | 4.84 | 83,442 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,091 |
| European Capitals by Map | 0 | - | 4.99 | 142,272 |
| African Capitals by Map | 0 | - | 4.99 | 142,342 |
| Coldest World Capitals | 0 | - | 4.95 | 134,188 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,007 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,972 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,253 |
| European Coastal Capitals | 0 | - | 4.95 | 91,384 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,226 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,919 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,951 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,198 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,197 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,630 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,757 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,120 |
| American Cities by Stadium | 0 | - | 4.02 | 36,595 |
| City by Football Clubs | 0 | - | 4.38 | 138,439 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,231 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,883 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,198 |
| Official Cities in the UK | 0 | - | 4.89 | 286,524 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,629 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,404 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,171 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,874 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,401 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,289 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,196 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,724 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,432 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,877 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,376 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,499 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,617 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,494 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,996 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,954 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,808 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,613 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,986 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,314 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,746 |
| The Only Country ... | 0 | - | 4.91 | 81,947 |
| Capitals of the Stans | 0 | - | 4.95 | 27,182 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,453 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,742 |
| Ancient City to Country | 0 | - | 4.72 | 108,372 |
| City-States | 0 | - | 4.53 | 37,419 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,517 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,005 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,834 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,477 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,103 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,195 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,306 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,154 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,719 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,596 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,286 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,094 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,044 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,145 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,720 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,580 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,328 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,898 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,717 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,434 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,942 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,043 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,137 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,824 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,398 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,486 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,755 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,408 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,005 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,026 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,631 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,486 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,164 |
| Cities by Airports | 0 | - | 4.48 | 104,089 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,205 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,443 |
| Cities Chain #2 | 0 | - | 4.42 | 56,531 |
| Cities Chain #1 | 0 | - | 4.61 | 66,837 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,605 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,859 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,482 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,081 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,370 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,741 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,178 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,274 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,331 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,284 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,501 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,181 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,493 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,045 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,120 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,288 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,399 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,457 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,124 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,122 |
| Random European Capital to Country | 0 | - | 4.98 | 192,227 |
| Random European Country to Capital | 0 | - | 4.93 | 165,974 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,036 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,496 |
| Random African Capital to Country | 0 | - | 4.97 | 101,395 |
| Random African Country to Capital | 0 | - | 4.95 | 71,795 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,591 |
| Capitals Starting With L | 0 | - | 4.80 | 95,956 |
| Capitals Starting With N | 0 | - | 4.80 | 51,939 |
| Capitals Starting With V | 0 | - | 4.80 | 38,679 |
| Capitals Starting With C | 0 | - | 4.78 | 99,072 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,757 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,348 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,406 |
| Which City in Europe? | 0 | - | 4.83 | 107,923 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,917,156 |
| Hindu Countries | 0 | - | 4.87 | 50,610 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,152 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,648 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,904 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,708 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,391 |
| NBA Player to Country | 0 | - | 4.29 | 84,264 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,910 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,068 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,311 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,352 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,051 |
