| North American Sports Cities | 0 | - | 4.82 | 173,136 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,556 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,045 |
| Random European Capital to Country | 0 | - | 4.98 | 192,109 |
| Random European Country to Capital | 0 | - | 4.93 | 165,869 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,977 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,408 |
| Random African Capital to Country | 0 | - | 4.97 | 101,332 |
| Random African Country to Capital | 0 | - | 4.95 | 71,739 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,443 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,057 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,169 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,279 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,330 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,960 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,184 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,206 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,115 |
| Countries by Capital City | 0 | - | 5.00 | 69,359 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,841 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,210 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,785 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,795 |
| Moved Capital Cities | 0 | - | 4.96 | 74,635 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,837 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,509 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,629 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,306 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,422 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,735 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,939 |
| Name a City - European Countries | 0 | - | 4.90 | 66,149 |
| Cities by Former Name | 0 | - | 4.83 | 92,031 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,572 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,711 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,679 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,974 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,808 |
| World Capitals by Map | 0 | - | 5.00 | 289,272 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,812 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,276 |
| Random Country to Capital | 0 | - | 4.98 | 927,827 |
| Capitals Starting With H | 0 | - | 4.91 | 93,326 |
| Capitals Starting With K | 0 | - | 4.89 | 84,391 |
| Capitals Starting With M | 0 | - | 4.94 | 109,165 |
| Capitals Starting With P | 0 | - | 4.88 | 79,000 |
| Capitals Starting With R | 0 | - | 4.88 | 82,498 |
| Capitals Starting With S | 0 | - | 4.90 | 86,562 |
| Capitals Starting With T | 0 | - | 4.86 | 76,828 |
| Capitals Starting With W | 0 | - | 4.87 | 91,729 |
| Capitals Starting With A | 0 | - | 4.97 | 129,095 |
| Capitals Starting With B | 0 | - | 4.89 | 119,491 |
| Capitals Starting With D | 0 | - | 4.94 | 97,195 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,955 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,730 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,917 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,677 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,775 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,443 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,899 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,036 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,663 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,573 |
| Former Capitals | 0 | - | 4.88 | 71,675 |
| Europe Capital to Country | 0 | - | 4.99 | 252,034 |
| Asia Capital to Country | 0 | - | 4.96 | 127,370 |
| Capital Cities Chain | 0 | - | 4.84 | 83,354 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,940 |
| European Capitals by Map | 0 | - | 4.99 | 142,036 |
| African Capitals by Map | 0 | - | 4.99 | 142,094 |
| Coldest World Capitals | 0 | - | 4.95 | 134,149 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,885 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,850 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,164 |
| European Coastal Capitals | 0 | - | 4.95 | 91,289 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,182 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,617 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,741 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,155 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,114 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,553 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,839 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,318 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,720 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,105 |
| American Cities by Stadium | 0 | - | 4.02 | 36,589 |
| City by Football Clubs | 0 | - | 4.38 | 138,391 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,226 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,827 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,921 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,379 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,009 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,682 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,845 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,831 |
| Official Cities in the UK | 0 | - | 4.89 | 286,166 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,319 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,833 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,133 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,216 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,569 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,086 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,666 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,385 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,851 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,284 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,573 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,458 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,933 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,907 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,758 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,562 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 227,886 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,303 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,698 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,697 |
| The Only Country ... | 0 | - | 4.91 | 81,866 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,365 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,674 |
| Ancient City to Country | 0 | - | 4.70 | 108,335 |
| City-States | 0 | - | 4.53 | 37,399 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,499 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,909 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,810 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,136 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,935 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,276 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,852 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,223 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,657 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,590 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,281 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,074 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,070 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,651 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,518 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,211 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,733 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,588 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,341 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,868 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,551 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,383 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,412 |
| Boundary Waters | 0 | - | 4.92 | 88,757 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,407 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,686 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,948 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,007 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,582 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,613 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,458 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,035 |
| Cities by Airports | 0 | - | 4.47 | 104,012 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,197 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,404 |
| Cities Chain #2 | 0 | - | 4.42 | 56,518 |
| Cities Chain #1 | 0 | - | 4.61 | 66,819 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,706 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,971 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,348 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,416 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,683 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,144 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,261 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,311 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,271 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,818 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,401 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,145 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,484 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,810 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,027 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,255 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,357 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,383 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,064 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,024 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,563 |
| Capitals Starting With L | 0 | - | 4.80 | 95,717 |
| Capitals Starting With N | 0 | - | 4.80 | 51,884 |
| Capitals Starting With V | 0 | - | 4.80 | 38,646 |
| Capitals Starting With C | 0 | - | 4.78 | 98,969 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,592 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,140 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,857 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,784 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,284 |
| Which City in Europe? | 0 | - | 4.83 | 107,876 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,866,565 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,203 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,526 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,430 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,638 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,495 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,224 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,676 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,282 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,270 |
