| Capital Cities by Body of Water | 0 | - | 4.85 | 57,834 |
| Countries With No Rivers | 0 | - | 4.96 | 77,088 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,940 |
| Capitals by River | 0 | - | 4.55 | 48,382 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,907 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,963 |
| African Great Lakes | 0 | - | 4.82 | 66,899 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,759 |
| Biggest City by River | 0 | - | 4.38 | 52,947 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,712 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,018 |
| Countries with Fjords | 0 | - | 4.94 | 101,270 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,584 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,875 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,233 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,336 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,362 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,672 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,303 |
| Rivers of the United States | 0 | - | 4.93 | 66,607 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,150 |
| North Sea Countries | 0 | - | 4.92 | 87,661 |
| Black Sea Countries | 0 | - | 4.87 | 60,719 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,556 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,649 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,354 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,986 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,846 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,823 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,183 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,164 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,251 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,904 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,114 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,114 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,017 |
| Countries by Capital City | 0 | - | 5.00 | 69,253 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,780 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,159 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,530 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,747 |
| Moved Capital Cities | 0 | - | 4.96 | 74,596 |
| Megadiverse Countries | 0 | - | 4.96 | 135,221 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,614 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,930 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,377 |
| North American Sports Cities | 0 | - | 4.83 | 173,049 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,534 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,875 |
| Name a City - European Countries | 0 | - | 4.90 | 66,073 |
| Cities by Former Name | 0 | - | 4.83 | 91,983 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,006 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,076 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,658 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,943 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,741 |
| World Capitals by Map | 0 | - | 5.00 | 289,073 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,772 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,097 |
| Random Country to Capital | 0 | - | 4.98 | 926,977 |
| Capitals Starting With H | 0 | - | 4.91 | 93,259 |
| Capitals Starting With K | 0 | - | 4.89 | 84,331 |
| Capitals Starting With M | 0 | - | 4.94 | 109,046 |
| Capitals Starting With P | 0 | - | 4.88 | 78,931 |
| Capitals Starting With R | 0 | - | 4.88 | 82,449 |
| Capitals Starting With S | 0 | - | 4.90 | 86,502 |
| Capitals Starting With T | 0 | - | 4.85 | 76,773 |
| Capitals Starting With W | 0 | - | 4.87 | 91,693 |
| Capitals Starting With A | 0 | - | 4.97 | 129,003 |
| Capitals Starting With B | 0 | - | 4.89 | 119,403 |
| Capitals Starting With D | 0 | - | 4.94 | 97,122 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,198 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,485 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,496 |
| African Physical Geography | 0 | - | 4.51 | 31,805 |
| Asian Physical Geography | 0 | - | 4.61 | 35,613 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,707 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,754 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,368 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,824 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,293 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,943 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,591 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,512 |
| Former Capitals | 0 | - | 4.88 | 71,647 |
| Europe Capital to Country | 0 | - | 4.99 | 251,866 |
| Asia Capital to Country | 0 | - | 4.96 | 127,313 |
| Capital Cities Chain | 0 | - | 4.84 | 83,285 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,823 |
| European Capitals by Map | 0 | - | 4.99 | 141,881 |
| African Capitals by Map | 0 | - | 4.99 | 141,935 |
| Coldest World Capitals | 0 | - | 4.95 | 134,117 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,823 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,772 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,094 |
| European Coastal Capitals | 0 | - | 4.95 | 91,220 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,138 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,273 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,575 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,119 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,068 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,483 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,591 |
| Seas of Europe | 0 | - | 4.37 | 84,881 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,311 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,688 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,069 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,219 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,756 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,555 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| Rivers A-Z | 0 | - | 4.35 | 32,847 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,433 |
| Sea in the Answers | 0 | - | 4.08 | 49,134 |
| Official Cities in the UK | 0 | - | 4.89 | 285,930 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,219 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,973 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,787 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,865 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,149 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,508 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,006 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,620 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,337 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,203 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,526 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,427 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,872 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,858 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,716 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,521 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,776 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,293 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,656 |
| The Only Country ... | 0 | - | 4.91 | 81,795 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,064 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,504 |
| Geological Extremes | 0 | - | 4.34 | 40,099 |
| European Physical Geography | 0 | - | 4.26 | 33,586 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,264 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,808 |
| Capitals of the Stans | 0 | - | 4.95 | 27,099 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,850 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,624 |
| Ancient City to Country | 0 | - | 4.70 | 108,303 |
| City-States | 0 | - | 4.53 | 37,384 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,479 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,843 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,790 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,859 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,788 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,261 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,545 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,205 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,591 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,585 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,279 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,062 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,008 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,584 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,479 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,067 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,582 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,472 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,246 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,799 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,506 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,131 |
| Boundary Waters | 0 | - | 4.92 | 88,729 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,383 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,610 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,230 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,883 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,994 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,578 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,604 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,429 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,901 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,782 |
| Cities by Airports | 0 | - | 4.47 | 103,947 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,193 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,364 |
| Cities Chain #2 | 0 | - | 4.42 | 56,504 |
| Cities Chain #1 | 0 | - | 4.61 | 66,794 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,601 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,553 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,649 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,888 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,339 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,355 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,611 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,112 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,248 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,293 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,259 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,305 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,133 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,474 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,784 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,011 |
