| Capital Cities by Body of Water | 0 | - | 4.85 | 57,826 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,771 |
| Capitals by River | 0 | - | 4.55 | 48,379 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,068 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,839 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,896 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,196 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,869 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,072 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,047 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,949 |
| Countries by Capital City | 0 | - | 5.00 | 69,202 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,740 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,114 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,376 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,709 |
| Moved Capital Cities | 0 | - | 4.96 | 74,580 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,771 |
| African Great Lakes | 0 | - | 4.82 | 66,859 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,772 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,810 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,442 |
| Random Country to Capital | 0 | - | 4.98 | 926,466 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,345 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,646 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,925 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,711 |
| World Capitals by Map | 0 | - | 5.00 | 288,927 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,746 |
| Capitals Starting With H | 0 | - | 4.91 | 93,205 |
| Capitals Starting With K | 0 | - | 4.89 | 84,281 |
| Capitals Starting With M | 0 | - | 4.94 | 108,947 |
| Capitals Starting With P | 0 | - | 4.88 | 78,871 |
| Capitals Starting With R | 0 | - | 4.88 | 82,402 |
| Capitals Starting With S | 0 | - | 4.90 | 86,444 |
| Capitals Starting With T | 0 | - | 4.85 | 76,734 |
| Capitals Starting With W | 0 | - | 4.87 | 91,657 |
| Capitals Starting With A | 0 | - | 4.97 | 128,947 |
| Capitals Starting With B | 0 | - | 4.89 | 119,341 |
| Capitals Starting With D | 0 | - | 4.94 | 97,072 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,306 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,661 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,574 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,636 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,695 |
| Former Capitals | 0 | - | 4.88 | 71,634 |
| Europe Capital to Country | 0 | - | 4.99 | 251,783 |
| Asia Capital to Country | 0 | - | 4.96 | 127,275 |
| Capital Cities Chain | 0 | - | 4.84 | 83,256 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,765 |
| European Capitals by Map | 0 | - | 4.99 | 141,738 |
| African Capitals by Map | 0 | - | 4.99 | 141,798 |
| Coldest World Capitals | 0 | - | 4.95 | 134,103 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,773 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,728 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,057 |
| European Coastal Capitals | 0 | - | 4.95 | 91,185 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,113 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,131 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,488 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,094 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,043 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,446 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,923 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,354 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,319 |
| Rivers of the United States | 0 | - | 4.93 | 66,582 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,734 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,752 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,108 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,470 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,953 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,592 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,301 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,172 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,503 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,410 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,837 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,837 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,703 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,490 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,696 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,287 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,630 |
| Capitals of the Stans | 0 | - | 4.95 | 27,086 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,518 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,582 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,277 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,056 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,946 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,546 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,457 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,989 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,531 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,404 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,198 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,769 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,487 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,423 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,112 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,260 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,758 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,967 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,886 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,249 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,125 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,467 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,184 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,311 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,296 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,505 |
| Capitals Starting With L | 0 | - | 4.80 | 94,705 |
| Capitals Starting With N | 0 | - | 4.80 | 51,776 |
| Capitals Starting With V | 0 | - | 4.80 | 38,571 |
| Capitals Starting With C | 0 | - | 4.78 | 98,807 |
| South China Sea Countries | 0 | - | 4.78 | 57,820 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,283 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,836 |
| North American Sports Cities | 0 | - | 4.83 | 173,019 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,521 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,847 |
| Name a City - European Countries | 0 | - | 4.90 | 66,025 |
| Cities by Former Name | 0 | - | 4.83 | 91,959 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,490 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,329 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,708 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,019 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,456 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,469 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,492 |
| Capital City Etymologies | 0 | - | 4.77 | 63,485 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,796 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,242 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,177 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,457 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,474 |
| African Physical Geography | 0 | - | 4.51 | 31,797 |
| Asian Physical Geography | 0 | - | 4.61 | 35,605 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,739 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,324 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,784 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,212 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,890 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,553 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,484 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,573 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,413 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,165 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,303 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,668 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,058 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,214 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,713 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,912 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,984 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,003 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,178 |
| Sea in the Answers | 0 | - | 4.08 | 49,128 |
| Official Cities in the UK | 0 | - | 4.89 | 285,800 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,195 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,925 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,073 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,074 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,256 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,355 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,463 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,480 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,169 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,459 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,949 |
| The Only Country ... | 0 | - | 4.91 | 81,748 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,038 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,485 |
| Geological Extremes | 0 | - | 4.34 | 40,095 |
| European Physical Geography | 0 | - | 4.26 | 33,581 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,848 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,602 |
| Ancient City to Country | 0 | - | 4.70 | 108,286 |
| City-States | 0 | - | 4.53 | 37,377 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,464 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,795 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,781 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,732 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,735 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,249 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,395 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,200 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,898 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,008 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,103 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,610 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,360 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,783 |
| Boundary Waters | 0 | - | 4.92 | 88,714 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,371 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,580 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,186 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,855 |
