| North American Sports Cities | 0 | - | 4.83 | 172,247 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,286 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,611 |
| Random European Capital to Country | 0 | - | 4.98 | 190,759 |
| Random European Country to Capital | 0 | - | 4.93 | 164,934 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,345 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,678 |
| Random African Capital to Country | 0 | - | 4.97 | 100,634 |
| Random African Country to Capital | 0 | - | 4.94 | 71,153 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,821 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,935 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,438 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,988 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,094 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,304 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,378 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,095 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,810 |
| Countries by Capital City | 0 | - | 5.00 | 68,084 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,074 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,560 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,961 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,061 |
| Moved Capital Cities | 0 | - | 4.96 | 74,119 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,054 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,961 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,083 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,100 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,819 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,403 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,314 |
| Name a City - European Countries | 0 | - | 4.90 | 65,291 |
| Cities by Former Name | 0 | - | 4.83 | 91,500 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,717 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,907 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,357 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,614 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,045 |
| World Capitals by Map | 0 | - | 5.00 | 285,965 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,228 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,516 |
| Random Country to Capital | 0 | - | 4.98 | 919,432 |
| Capitals Starting With H | 0 | - | 4.91 | 92,426 |
| Capitals Starting With K | 0 | - | 4.88 | 83,138 |
| Capitals Starting With L | 0 | - | 4.81 | 87,951 |
| Capitals Starting With M | 0 | - | 4.93 | 107,604 |
| Capitals Starting With P | 0 | - | 4.88 | 78,078 |
| Capitals Starting With R | 0 | - | 4.87 | 81,712 |
| Capitals Starting With S | 0 | - | 4.90 | 85,652 |
| Capitals Starting With T | 0 | - | 4.85 | 76,066 |
| Capitals Starting With W | 0 | - | 4.87 | 91,219 |
| Capitals Starting With A | 0 | - | 4.97 | 127,739 |
| Capitals Starting With B | 0 | - | 4.89 | 118,335 |
| Capitals Starting With D | 0 | - | 4.93 | 96,306 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,964 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,471 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,805 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,531 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,532 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,876 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,963 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,788 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,736 |
| Former Capitals | 0 | - | 4.88 | 71,414 |
| Europe Capital to Country | 0 | - | 4.99 | 249,814 |
| Asia Capital to Country | 0 | - | 4.96 | 126,561 |
| Capital Cities Chain | 0 | - | 4.83 | 82,625 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,733 |
| European Capitals by Map | 0 | - | 4.99 | 138,877 |
| African Capitals by Map | 0 | - | 4.99 | 133,570 |
| Coldest World Capitals | 0 | - | 4.95 | 133,515 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,207 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,978 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,325 |
| European Coastal Capitals | 0 | - | 4.95 | 90,479 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,539 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,547 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,750 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,785 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,466 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,783 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,932 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,231 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,344 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,836 |
| American Cities by Stadium | 0 | - | 4.02 | 36,534 |
| City by Football Clubs | 0 | - | 4.38 | 137,888 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,130 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,081 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,903 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,668 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,684 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,166 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,731 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,382 |
| Official Cities in the UK | 0 | - | 4.89 | 283,364 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,699 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,491 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,398 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,373 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,957 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,129 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,930 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,777 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,633 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,286 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,133 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,116 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,220 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,365 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,339 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,014 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,438 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,165 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,231 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,978 |
| The Only Country ... | 0 | - | 4.91 | 80,913 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,809 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,899 |
| Ancient City to Country | 0 | - | 4.70 | 107,981 |
| City-States | 0 | - | 4.53 | 37,243 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,105 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,055 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,649 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,318 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,647 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,177 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,672 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,100 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,004 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,532 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,226 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,877 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,661 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,868 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,005 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,880 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,463 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,231 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,405 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,257 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,109 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,455 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,595 |
| Boundary Waters | 0 | - | 4.92 | 88,419 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,121 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,996 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,403 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,777 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,518 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,480 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,193 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,675 |
| Cities by Airports | 0 | - | 4.49 | 88,683 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,142 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,931 |
| Cities Chain #2 | 0 | - | 4.42 | 56,342 |
| Cities Chain #1 | 0 | - | 4.61 | 66,601 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,798 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,879 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,184 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,735 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,812 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,531 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,134 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,073 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,127 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,373 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,339 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,977 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,334 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,479 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,915 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,705 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,950 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,587 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,407 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,996 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,255 |
| Capitals Starting With N | 0 | - | 4.80 | 51,100 |
| Capitals Starting With V | 0 | - | 4.79 | 38,107 |
| Capitals Starting With C | 0 | - | 4.79 | 97,749 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,922 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,023 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,758 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,663 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,981 |
| Which City in Europe? | 0 | - | 4.83 | 107,303 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,386,680 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,274 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,501 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,633 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,804 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,379 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,057 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,613 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,933 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,347 |
| Cities in European History #1 | 0 | - | 4.62 | 133,896 |
