| North American Sports Cities | 0 | - | 4.83 | 173,072 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,541 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,020 |
| Random European Capital to Country | 0 | - | 4.98 | 192,053 |
| Random European Country to Capital | 0 | - | 4.93 | 165,822 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,371 |
| Random African Capital to Country | 0 | - | 4.97 | 101,283 |
| Random African Country to Capital | 0 | - | 4.95 | 71,712 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,346 |
| World Capitals Quiz | 0 | - | 5.00 | 5,102,719 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,293 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,202 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,271 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,923 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,143 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,148 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,041 |
| Countries by Capital City | 0 | - | 5.00 | 69,278 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,797 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,173 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,617 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,758 |
| Moved Capital Cities | 0 | - | 4.96 | 74,609 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,800 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,910 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,591 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,289 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,394 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,715 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,897 |
| Name a City - European Countries | 0 | - | 4.90 | 66,100 |
| Cities by Former Name | 0 | - | 4.83 | 92,005 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,174 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,264 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,663 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,954 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,768 |
| World Capitals by Map | 0 | - | 5.00 | 289,147 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,783 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,486 |
| Random Country to Capital | 0 | - | 4.98 | 927,234 |
| Capitals Starting With H | 0 | - | 4.91 | 93,287 |
| Capitals Starting With K | 0 | - | 4.89 | 84,357 |
| Capitals Starting With M | 0 | - | 4.94 | 109,099 |
| Capitals Starting With P | 0 | - | 4.88 | 78,958 |
| Capitals Starting With R | 0 | - | 4.88 | 82,469 |
| Capitals Starting With S | 0 | - | 4.90 | 86,528 |
| Capitals Starting With T | 0 | - | 4.85 | 76,795 |
| Capitals Starting With W | 0 | - | 4.87 | 91,709 |
| Capitals Starting With A | 0 | - | 4.97 | 129,038 |
| Capitals Starting With B | 0 | - | 4.89 | 119,435 |
| Capitals Starting With D | 0 | - | 4.94 | 97,153 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,801 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,717 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,761 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,630 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,763 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,393 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,846 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,973 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,618 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,523 |
| Former Capitals | 0 | - | 4.88 | 71,653 |
| Europe Capital to Country | 0 | - | 4.99 | 251,924 |
| Asia Capital to Country | 0 | - | 4.96 | 127,326 |
| Capital Cities Chain | 0 | - | 4.84 | 83,309 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,871 |
| European Capitals by Map | 0 | - | 4.99 | 141,927 |
| African Capitals by Map | 0 | - | 4.99 | 141,992 |
| Coldest World Capitals | 0 | - | 4.95 | 134,126 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,848 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,794 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,113 |
| European Coastal Capitals | 0 | - | 4.95 | 91,241 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,151 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,385 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,632 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,133 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,080 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,504 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,787 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,315 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,694 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,080 |
| American Cities by Stadium | 0 | - | 4.02 | 36,584 |
| City by Football Clubs | 0 | - | 4.38 | 138,369 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,220 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,783 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,636 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,289 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,924 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,609 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,809 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,807 |
| Official Cities in the UK | 0 | - | 4.89 | 285,998 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,239 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,803 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,951 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,175 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,534 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,030 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,631 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,352 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,838 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,231 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,546 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,441 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,891 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,873 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,728 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,532 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,824 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,294 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,670 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,647 |
| The Only Country ... | 0 | - | 4.91 | 81,817 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,323 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,643 |
| Ancient City to Country | 0 | - | 4.70 | 108,315 |
| City-States | 0 | - | 4.53 | 37,389 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,481 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,857 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,796 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,929 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,832 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,267 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,607 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,214 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,615 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,585 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,279 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,064 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,032 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,604 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,492 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,132 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,636 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,510 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,279 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,820 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,520 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,314 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,233 |
| Boundary Waters | 0 | - | 4.92 | 88,742 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,392 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,637 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,915 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,000 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,579 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,608 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,442 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,942 |
| Cities by Airports | 0 | - | 4.47 | 103,966 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,193 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,377 |
| Cities Chain #2 | 0 | - | 4.42 | 56,509 |
| Cities Chain #1 | 0 | - | 4.61 | 66,806 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,602 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,602 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,915 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,339 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,373 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,634 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,122 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,252 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,299 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,263 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,760 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,336 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,475 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,792 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,012 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,206 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,337 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,337 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,008 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,972 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,535 |
| Capitals Starting With L | 0 | - | 4.80 | 95,467 |
| Capitals Starting With N | 0 | - | 4.80 | 51,852 |
| Capitals Starting With V | 0 | - | 4.80 | 38,621 |
| Capitals Starting With C | 0 | - | 4.78 | 98,909 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,579 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,125 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,855 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,778 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,192 |
| Which City in Europe? | 0 | - | 4.83 | 107,843 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,834,288 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,121 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,454 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,377 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,565 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,489 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 76,012 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,665 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,124 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,242 |
