| Capital Cities by Body of Water | 0 | - | 4.85 | 57,613 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,986 |
| North Sea Countries | 0 | - | 4.92 | 87,318 |
| Black Sea Countries | 0 | - | 4.87 | 60,579 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,327 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,425 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,046 |
| Countries With No Rivers | 0 | - | 4.96 | 76,715 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,195 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,995 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,539 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,376 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,632 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,362 |
| Biggest City by River | 0 | - | 4.41 | 52,830 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,504 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,773 |
| Countries with Fjords | 0 | - | 4.94 | 100,800 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,108 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,758 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,465 |
| Seas on the World Map | 0 | - | 4.96 | 135,167 |
| Seas of the World | 0 | - | 5.00 | 156,458 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,791 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,396 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,041 |
| African Great Lakes | 0 | - | 4.82 | 66,080 |
| Seas of Europe | 0 | - | 4.37 | 84,592 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,904 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,002 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,262 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,308 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,011 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,693 |
| Countries by Capital City | 0 | - | 5.00 | 67,979 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,001 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,492 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,755 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,003 |
| Moved Capital Cities | 0 | - | 4.96 | 74,079 |
| Capitals by River | 0 | - | 4.55 | 48,294 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,440 |
| Megadiverse Countries | 0 | - | 4.96 | 134,785 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,343 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,364 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,589 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,494 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,700 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,123 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,755 |
| North American Sports Cities | 0 | - | 4.83 | 171,827 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,266 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,280 |
| Name a City - European Countries | 0 | - | 4.90 | 65,226 |
| Cities by Former Name | 0 | - | 4.83 | 91,457 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,261 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,385 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,337 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,592 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,954 |
| World Capitals by Map | 0 | - | 5.00 | 285,726 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,180 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,508 |
| Random Country to Capital | 0 | - | 4.98 | 918,819 |
| Capitals Starting With H | 0 | - | 4.91 | 92,327 |
| Capitals Starting With K | 0 | - | 4.88 | 82,638 |
| Capitals Starting With L | 0 | - | 4.81 | 87,837 |
| Capitals Starting With M | 0 | - | 4.93 | 107,462 |
| Capitals Starting With P | 0 | - | 4.88 | 77,993 |
| Capitals Starting With R | 0 | - | 4.87 | 81,640 |
| Capitals Starting With S | 0 | - | 4.90 | 85,579 |
| Capitals Starting With T | 0 | - | 4.85 | 76,001 |
| Capitals Starting With W | 0 | - | 4.87 | 91,171 |
| Capitals Starting With A | 0 | - | 4.97 | 127,628 |
| Capitals Starting With B | 0 | - | 4.89 | 118,233 |
| Capitals Starting With D | 0 | - | 4.93 | 96,222 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,397 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,998 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,051 |
| African Physical Geography | 0 | - | 4.51 | 31,666 |
| Asian Physical Geography | 0 | - | 4.60 | 35,488 |
| Rivers of the United States | 0 | - | 4.93 | 66,092 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,516 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,463 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,814 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,678 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,878 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,734 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,713 |
| Former Capitals | 0 | - | 4.88 | 71,396 |
| Europe Capital to Country | 0 | - | 4.99 | 249,666 |
| Asia Capital to Country | 0 | - | 4.96 | 126,510 |
| Capital Cities Chain | 0 | - | 4.83 | 82,539 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,649 |
| European Capitals by Map | 0 | - | 4.99 | 138,677 |
| African Capitals by Map | 0 | - | 4.99 | 133,417 |
| Coldest World Capitals | 0 | - | 4.95 | 133,485 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,930 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,271 |
| European Coastal Capitals | 0 | - | 4.95 | 90,421 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,519 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,339 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,639 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,758 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,427 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,719 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,083 |
| World's Longest Rivers | 0 | - | 4.89 | 136,226 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,309 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,819 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,122 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,010 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,597 |
| Landforms by Country | 0 | - | 4.52 | 51,962 |
| Official Cities in the UK | 0 | - | 4.89 | 283,186 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,648 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,386 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,470 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,239 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,317 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,926 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,047 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,744 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,732 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,226 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,097 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,089 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,149 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,331 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,310 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,957 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,337 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,155 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,200 |
| The Only Country ... | 0 | - | 4.91 | 80,827 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,333 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,871 |
| Geological Extremes | 0 | - | 4.34 | 40,011 |
| European Physical Geography | 0 | - | 4.26 | 33,479 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,651 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,279 |
| Capitals of the Stans | 0 | - | 4.95 | 26,768 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,716 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,862 |
| Ancient City to Country | 0 | - | 4.70 | 107,952 |
| City-States | 0 | - | 4.53 | 37,232 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,090 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,978 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,629 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,141 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,562 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,164 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,595 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,090 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,936 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,526 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,219 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,860 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,557 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,793 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,968 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,785 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,379 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,135 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,325 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,193 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,071 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,913 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,937 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,219 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,360 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,761 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,510 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,465 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,177 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,666 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,988 |
| Cities by Airports | 0 | - | 4.49 | 88,659 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,139 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,837 |
| Cities Chain #2 | 0 | - | 4.42 | 56,329 |
| Cities Chain #1 | 0 | - | 4.61 | 66,589 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,440 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,115 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,812 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,179 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,699 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,763 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,516 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,127 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,058 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,120 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,254 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,966 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,327 |
