| North American Sports Cities | 0 | - | 4.83 | 172,332 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,306 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,633 |
| Random European Capital to Country | 0 | - | 4.98 | 190,815 |
| Random European Country to Capital | 0 | - | 4.93 | 165,040 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,388 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,719 |
| Random African Capital to Country | 0 | - | 4.97 | 100,674 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,933 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,942 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,439 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,059 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,182 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,360 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,441 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,165 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,901 |
| Countries by Capital City | 0 | - | 5.00 | 68,189 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,127 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,610 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,234 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,139 |
| Moved Capital Cities | 0 | - | 4.96 | 74,161 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,138 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,965 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,117 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,122 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,867 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,424 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,356 |
| Name a City - European Countries | 0 | - | 4.90 | 65,334 |
| Cities by Former Name | 0 | - | 4.83 | 91,538 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,248 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,458 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,374 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,635 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,127 |
| World Capitals by Map | 0 | - | 5.00 | 286,196 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,261 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,424 |
| Random Country to Capital | 0 | - | 4.98 | 919,958 |
| Capitals Starting With H | 0 | - | 4.91 | 92,501 |
| Capitals Starting With K | 0 | - | 4.88 | 83,365 |
| Capitals Starting With L | 0 | - | 4.81 | 88,024 |
| Capitals Starting With M | 0 | - | 4.93 | 107,711 |
| Capitals Starting With P | 0 | - | 4.88 | 78,146 |
| Capitals Starting With R | 0 | - | 4.87 | 81,782 |
| Capitals Starting With S | 0 | - | 4.90 | 85,732 |
| Capitals Starting With T | 0 | - | 4.85 | 76,127 |
| Capitals Starting With W | 0 | - | 4.87 | 91,271 |
| Capitals Starting With A | 0 | - | 4.97 | 127,832 |
| Capitals Starting With B | 0 | - | 4.89 | 118,411 |
| Capitals Starting With D | 0 | - | 4.93 | 96,376 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,098 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,648 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,884 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,544 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,606 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,923 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,038 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,839 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,772 |
| Former Capitals | 0 | - | 4.88 | 71,436 |
| Europe Capital to Country | 0 | - | 4.99 | 249,962 |
| Asia Capital to Country | 0 | - | 4.96 | 126,620 |
| Capital Cities Chain | 0 | - | 4.83 | 82,696 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,805 |
| European Capitals by Map | 0 | - | 4.99 | 139,026 |
| African Capitals by Map | 0 | - | 4.99 | 133,710 |
| Coldest World Capitals | 0 | - | 4.95 | 133,535 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,309 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,025 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,377 |
| European Coastal Capitals | 0 | - | 4.95 | 90,551 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,567 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,778 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,869 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,810 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,520 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,853 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,979 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,239 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,374 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,851 |
| American Cities by Stadium | 0 | - | 4.02 | 36,542 |
| City by Football Clubs | 0 | - | 4.38 | 137,913 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,136 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,140 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,157 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,788 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,767 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,253 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,784 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,411 |
| Official Cities in the UK | 0 | - | 4.89 | 283,555 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,744 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,509 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,595 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,426 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,998 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,203 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,051 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,803 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,649 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,345 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,155 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,141 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,315 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,403 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,363 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,045 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,517 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,174 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,265 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,019 |
| The Only Country ... | 0 | - | 4.91 | 80,981 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,852 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,931 |
| Ancient City to Country | 0 | - | 4.70 | 108,004 |
| City-States | 0 | - | 4.53 | 37,257 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,126 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,113 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,662 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,511 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,762 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,184 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,740 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,108 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,064 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,536 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,233 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,902 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,763 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 66,933 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,045 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,965 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,531 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,318 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,461 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,299 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,131 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,589 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,858 |
| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,136 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,039 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,390 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,441 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,796 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,523 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,494 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,211 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,692 |
| Cities by Airports | 0 | - | 4.49 | 88,708 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,148 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,974 |
| Cities Chain #2 | 0 | - | 4.42 | 56,364 |
| Cities Chain #1 | 0 | - | 4.61 | 66,619 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,044 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,969 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,196 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,772 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,859 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,568 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,146 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,090 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,141 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,424 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,414 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,989 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,339 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,499 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,923 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,726 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,968 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,656 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,465 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,074 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,271 |
| Capitals Starting With N | 0 | - | 4.80 | 51,150 |
| Capitals Starting With V | 0 | - | 4.79 | 38,149 |
| Capitals Starting With C | 0 | - | 4.79 | 97,845 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,960 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,028 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,769 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,680 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,069 |
| Which City in Europe? | 0 | - | 4.83 | 107,361 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,424,144 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,375 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,594 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,719 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,335 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,391 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,116 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,619 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,962 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,361 |
