| Capital Cities by Body of Water | 0 | - | 4.85 | 57,265 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,727 |
| North Sea Countries | 0 | - | 4.92 | 86,574 |
| Black Sea Countries | 0 | - | 4.87 | 60,311 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,987 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,084 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,728 |
| Countries With No Rivers | 0 | - | 4.96 | 75,996 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,931 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,185 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,661 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,640 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,194 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,846 |
| Biggest City by River | 0 | - | 4.41 | 52,684 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,298 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,343 |
| Countries with Fjords | 0 | - | 4.93 | 100,164 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,885 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,139 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,045 |
| Seas on the World Map | 0 | - | 4.96 | 133,729 |
| Seas of the World | 0 | - | 5.00 | 154,116 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,727 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,499 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,881 |
| African Great Lakes | 0 | - | 4.82 | 65,062 |
| Seas of Europe | 0 | - | 4.37 | 83,788 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,621 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,580 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,534 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,501 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,258 |
| Countries by Capital City | 0 | - | 5.00 | 66,496 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,825 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,048 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,356 |
| Moved Capital Cities | 0 | - | 4.96 | 73,530 |
| Capitals by River | 0 | - | 4.55 | 48,223 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,047 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,179 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,324 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,429 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| North American Sports Cities | 0 | - | 4.83 | 170,790 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,652 |
| Name a City - European Countries | 0 | - | 4.92 | 64,288 |
| Cities by Former Name | 0 | - | 4.84 | 90,888 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,559 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,009 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,647 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,199 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,816 |
| World Capitals by Map | 0 | - | 5.00 | 282,913 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,610 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,643 |
| Random Country to Capital | 0 | - | 4.98 | 910,757 |
| Capitals Starting With H | 0 | - | 4.90 | 89,835 |
| Capitals Starting With K | 0 | - | 4.85 | 75,564 |
| Capitals Starting With M | 0 | - | 4.93 | 105,873 |
| Capitals Starting With P | 0 | - | 4.88 | 77,072 |
| Capitals Starting With R | 0 | - | 4.87 | 80,862 |
| Capitals Starting With S | 0 | - | 4.89 | 84,683 |
| Capitals Starting With T | 0 | - | 4.84 | 75,195 |
| Capitals Starting With W | 0 | - | 4.89 | 90,511 |
| Capitals Starting With A | 0 | - | 4.97 | 126,381 |
| Capitals Starting With B | 0 | - | 4.89 | 117,142 |
| Capitals Starting With D | 0 | - | 4.93 | 95,230 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,552 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,271 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,375 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| Rivers of the United States | 0 | - | 4.93 | 65,439 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,271 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,260 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,107 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,927 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,677 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,540 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,279 |
| Former Capitals | 0 | - | 4.88 | 71,097 |
| Europe Capital to Country | 0 | - | 4.99 | 247,339 |
| Asia Capital to Country | 0 | - | 4.96 | 125,647 |
| Capital Cities Chain | 0 | - | 4.84 | 81,833 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,333 |
| European Capitals by Map | 0 | - | 4.99 | 136,004 |
| African Capitals by Map | 0 | - | 4.99 | 132,081 |
| Coldest World Capitals | 0 | - | 4.95 | 132,996 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,994 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,539 |
| European Coastal Capitals | 0 | - | 4.95 | 89,669 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,151 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,458 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,588 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,386 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,709 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,902 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,345 |
| World's Longest Rivers | 0 | - | 4.87 | 120,984 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,137 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,066 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,546 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,011 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 22,006 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,903 |
| Landforms by Country | 0 | - | 4.52 | 51,909 |
| Official Cities in the UK | 0 | - | 4.89 | 280,257 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,056 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,729 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,051 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,598 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,570 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,347 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,039 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,092 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,289 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,659 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,384 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,810 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,874 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,413 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,166 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,012 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,718 |
| The Only Country ... | 0 | - | 4.91 | 79,747 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,432 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,969 |
| Geological Extremes | 0 | - | 4.34 | 39,924 |
| African Physical Geography | 0 | - | 4.51 | 31,558 |
| European Physical Geography | 0 | - | 4.26 | 33,366 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,787 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,559 |
| Capitals of the Stans | 0 | - | 4.95 | 26,375 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,465 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,949 |
| Ancient City to Country | 0 | - | 4.70 | 107,571 |
| City-States | 0 | - | 4.53 | 37,076 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,752 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,105 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,464 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,715 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,137 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,031 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,620 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,942 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,320 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,453 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,149 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,650 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,206 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,552 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,510 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,382 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,033 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,717 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,421 |
| World Capitals with a Unique First Letter | 0 | - | 4.78 | 63,232 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,585 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,617 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,659 |
| Boundary Waters | 0 | - | 4.92 | 88,003 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,197 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,163 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,781 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,547 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,403 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,310 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,946 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,520 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,119 |
| Cities by Airports | 0 | - | 4.49 | 87,760 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,091 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,373 |
| Cities Chain #2 | 0 | - | 4.42 | 56,150 |
| Cities Chain #1 | 0 | - | 4.61 | 66,322 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,546 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 49,829 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,428 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,750 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 34,994 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,958 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,879 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,088 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,001 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,787 |
| Nearest Capital City #2 | 0 | - | 4.56 | 39,000 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,337 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,780 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,209 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,159 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
