| North American Sports Cities | 0 | - | 4.83 | 172,416 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,337 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,115 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,533 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,028 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,184 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,188 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,283 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,434 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,529 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,266 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,049 |
| Countries by Capital City | 0 | - | 5.00 | 68,329 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,670 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,531 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,231 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,530 |
| Moved Capital Cities | 0 | - | 4.96 | 74,224 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,573 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,236 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,841 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,915 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,455 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,412 |
| Name a City - European Countries | 0 | - | 4.90 | 65,407 |
| Cities by Former Name | 0 | - | 4.83 | 91,593 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,975 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,196 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,411 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,668 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,240 |
| World Capitals by Map | 0 | - | 5.00 | 286,567 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,331 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,010 |
| Random Country to Capital | 0 | - | 4.98 | 920,917 |
| Capitals Starting With H | 0 | - | 4.91 | 92,602 |
| Capitals Starting With K | 0 | - | 4.88 | 83,578 |
| Capitals Starting With L | 0 | - | 4.81 | 88,130 |
| Capitals Starting With M | 0 | - | 4.93 | 107,858 |
| Capitals Starting With P | 0 | - | 4.88 | 78,242 |
| Capitals Starting With R | 0 | - | 4.87 | 81,873 |
| Capitals Starting With S | 0 | - | 4.90 | 85,827 |
| Capitals Starting With T | 0 | - | 4.85 | 76,197 |
| Capitals Starting With W | 0 | - | 4.87 | 91,325 |
| Capitals Starting With A | 0 | - | 4.97 | 128,124 |
| Capitals Starting With B | 0 | - | 4.89 | 118,554 |
| Capitals Starting With D | 0 | - | 4.93 | 96,491 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,871 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,482 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,568 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,729 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,012 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,141 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,925 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,819 |
| Former Capitals | 0 | - | 4.88 | 71,472 |
| Europe Capital to Country | 0 | - | 4.99 | 250,403 |
| Asia Capital to Country | 0 | - | 4.96 | 126,692 |
| Capital Cities Chain | 0 | - | 4.84 | 82,768 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,921 |
| European Capitals by Map | 0 | - | 4.99 | 139,301 |
| African Capitals by Map | 0 | - | 4.99 | 133,834 |
| Coldest World Capitals | 0 | - | 4.95 | 133,576 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,449 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,106 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,449 |
| European Coastal Capitals | 0 | - | 4.95 | 90,626 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,601 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,115 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,119 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,845 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,595 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,925 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,246 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,408 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,879 |
| American Cities by Stadium | 0 | - | 4.02 | 36,545 |
| City by Football Clubs | 0 | - | 4.38 | 137,975 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,147 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,230 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,601 |
| Official Cities in the UK | 0 | - | 4.89 | 283,900 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,444 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,823 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,525 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,538 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,935 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,504 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,065 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,300 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,183 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,862 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,675 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,444 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,352 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,202 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,168 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,397 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,460 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,420 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,085 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,636 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,192 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,310 |
| The Only Country ... | 0 | - | 4.91 | 81,133 |
| Capitals of the Stans | 0 | - | 4.95 | 26,851 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,903 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,989 |
| Ancient City to Country | 0 | - | 4.70 | 108,049 |
| City-States | 0 | - | 4.53 | 37,269 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,144 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,181 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,687 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,972 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,903 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,192 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,830 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,118 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,759 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,117 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,546 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,242 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,924 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,911 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,932 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,043 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,096 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,083 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,659 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,433 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,542 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,375 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,270 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,633 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,467 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,631 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,669 |
| Boundary Waters | 0 | - | 4.92 | 88,483 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,179 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,122 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,491 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,484 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,815 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,529 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,510 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,236 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 45,869 |
| Cities by Airports | 0 | - | 4.49 | 88,737 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,152 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,010 |
| Cities Chain #2 | 0 | - | 4.42 | 56,383 |
| Cities Chain #1 | 0 | - | 4.61 | 66,631 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,574 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,341 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,224 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,070 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,208 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,954 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,612 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,159 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,120 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,157 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,520 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,008 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,350 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,930 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,683 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,836 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,750 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,523 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,178 |
| Random European Capital to Country | 0 | - | 4.98 | 190,967 |
| Random European Country to Capital | 0 | - | 4.93 | 165,174 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,475 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,776 |
| Random African Capital to Country | 0 | - | 4.97 | 100,760 |
| Random African Country to Capital | 0 | - | 4.94 | 71,250 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,300 |
| Capitals Starting With N | 0 | - | 4.80 | 51,233 |
| Capitals Starting With V | 0 | - | 4.79 | 38,204 |
| Capitals Starting With C | 0 | - | 4.79 | 98,006 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,190 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,147 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,270 |
| Which City in Europe? | 0 | - | 4.83 | 107,422 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,479,733 |
| Hindu Countries | 0 | - | 4.86 | 50,177 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,105 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,625 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,479 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,306 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,924 |
| NBA Player to Country | 0 | - | 4.29 | 83,884 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,822 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,297 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,773 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,833 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,586 |
