| North American Sports Cities | 0 | - | 4.82 | 173,161 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,558 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,076 |
| Random European Capital to Country | 0 | - | 4.98 | 192,152 |
| Random European Country to Capital | 0 | - | 4.93 | 165,906 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,991 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,421 |
| Random African Capital to Country | 0 | - | 4.97 | 101,363 |
| Random African Country to Capital | 0 | - | 4.95 | 71,759 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,498 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,440 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,656 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,313 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,360 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,976 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,209 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,232 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,152 |
| Countries by Capital City | 0 | - | 5.00 | 69,402 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,861 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,237 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,893 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,816 |
| Moved Capital Cities | 0 | - | 4.96 | 74,653 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,855 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,837 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,696 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,324 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,449 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,741 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,956 |
| Name a City - European Countries | 0 | - | 4.90 | 66,181 |
| Cities by Former Name | 0 | - | 4.83 | 92,058 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,923 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,911 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,683 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,983 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,845 |
| World Capitals by Map | 0 | - | 5.00 | 289,401 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,832 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,627 |
| Random Country to Capital | 0 | - | 4.98 | 928,202 |
| Capitals Starting With H | 0 | - | 4.91 | 93,342 |
| Capitals Starting With K | 0 | - | 4.89 | 84,408 |
| Capitals Starting With M | 0 | - | 4.94 | 109,196 |
| Capitals Starting With P | 0 | - | 4.88 | 79,017 |
| Capitals Starting With R | 0 | - | 4.88 | 82,518 |
| Capitals Starting With S | 0 | - | 4.90 | 86,581 |
| Capitals Starting With T | 0 | - | 4.86 | 76,848 |
| Capitals Starting With W | 0 | - | 4.87 | 91,738 |
| Capitals Starting With A | 0 | - | 4.97 | 129,122 |
| Capitals Starting With B | 0 | - | 4.89 | 119,518 |
| Capitals Starting With D | 0 | - | 4.94 | 97,217 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,041 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,734 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,104 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,703 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,781 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,480 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,926 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,079 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,686 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,580 |
| Former Capitals | 0 | - | 4.88 | 71,679 |
| Europe Capital to Country | 0 | - | 4.99 | 252,105 |
| Asia Capital to Country | 0 | - | 4.96 | 127,401 |
| Capital Cities Chain | 0 | - | 4.84 | 83,378 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,987 |
| European Capitals by Map | 0 | - | 4.99 | 142,116 |
| African Capitals by Map | 0 | - | 4.99 | 142,198 |
| Coldest World Capitals | 0 | - | 4.95 | 134,162 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,915 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,880 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,195 |
| European Coastal Capitals | 0 | - | 4.95 | 91,317 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,765 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,808 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,168 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,146 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,576 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,860 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,321 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,729 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,111 |
| American Cities by Stadium | 0 | - | 4.02 | 36,593 |
| City by Football Clubs | 0 | - | 4.38 | 138,414 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,228 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,845 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,002 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,463 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,071 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,725 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,877 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,853 |
| Official Cities in the UK | 0 | - | 4.89 | 286,279 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,346 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,844 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,246 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,243 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,591 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,128 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,683 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,401 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,864 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,313 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,588 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,470 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,962 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,929 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,775 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,578 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 227,917 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,306 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,717 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,744 |
| The Only Country ... | 0 | - | 4.91 | 81,893 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,398 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,699 |
| Ancient City to Country | 0 | - | 4.70 | 108,349 |
| City-States | 0 | - | 4.53 | 37,402 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,505 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,936 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,814 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,235 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,001 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,279 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,930 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,228 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,673 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,591 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,282 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,079 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,100 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,677 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,537 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,251 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,795 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,630 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,379 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,887 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,564 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,419 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,499 |
| Boundary Waters | 0 | - | 4.92 | 88,767 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,412 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,704 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,971 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,013 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,585 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,617 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,471 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,069 |
| Cities by Airports | 0 | - | 4.47 | 104,041 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,201 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,419 |
| Cities Chain #2 | 0 | - | 4.42 | 56,525 |
| Cities Chain #1 | 0 | - | 4.61 | 66,827 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,755 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,017 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,354 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,435 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,711 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,152 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,263 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,317 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,275 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,832 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,432 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,163 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,486 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,822 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,032 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,267 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,378 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,413 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,081 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,053 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,579 |
| Capitals Starting With L | 0 | - | 4.80 | 95,790 |
| Capitals Starting With N | 0 | - | 4.80 | 51,901 |
| Capitals Starting With V | 0 | - | 4.80 | 38,655 |
| Capitals Starting With C | 0 | - | 4.78 | 99,011 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,602 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,155 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,871 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,788 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,322 |
| Which City in Europe? | 0 | - | 4.83 | 107,896 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,883,941 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,230 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,553 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,451 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,670 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,496 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,532 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,679 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,326 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,278 |
