| Capital Cities by Body of Water | 0 | - | 4.85 | 57,875 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,080 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,577 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,373 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,498 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,433 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,018 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,261 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,302 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,226 |
| Countries by Capital City | 0 | - | 5.00 | 69,486 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,917 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,275 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,072 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,867 |
| Moved Capital Cities | 0 | - | 4.96 | 74,686 |
| Capitals by River | 0 | - | 4.55 | 48,392 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,831 |
| African Great Lakes | 0 | - | 4.82 | 67,028 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,284 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,231 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,507 |
| Random Country to Capital | 0 | - | 4.98 | 928,953 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,499 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,950 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,004 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,892 |
| World Capitals by Map | 0 | - | 5.00 | 289,622 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,855 |
| Capitals Starting With H | 0 | - | 4.91 | 93,379 |
| Capitals Starting With K | 0 | - | 4.88 | 84,450 |
| Capitals Starting With M | 0 | - | 4.94 | 109,256 |
| Capitals Starting With P | 0 | - | 4.88 | 79,054 |
| Capitals Starting With R | 0 | - | 4.88 | 82,544 |
| Capitals Starting With S | 0 | - | 4.90 | 86,617 |
| Capitals Starting With T | 0 | - | 4.86 | 76,877 |
| Capitals Starting With W | 0 | - | 4.87 | 91,762 |
| Capitals Starting With A | 0 | - | 4.97 | 129,172 |
| Capitals Starting With B | 0 | - | 4.89 | 119,566 |
| Capitals Starting With D | 0 | - | 4.94 | 97,257 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,762 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,633 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,711 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,743 |
| Former Capitals | 0 | - | 4.88 | 71,696 |
| Europe Capital to Country | 0 | - | 4.99 | 252,255 |
| Asia Capital to Country | 0 | - | 4.96 | 127,608 |
| Capital Cities Chain | 0 | - | 4.84 | 83,434 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,084 |
| European Capitals by Map | 0 | - | 4.99 | 142,265 |
| African Capitals by Map | 0 | - | 4.99 | 142,325 |
| Coldest World Capitals | 0 | - | 4.95 | 134,186 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,996 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,966 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,248 |
| European Coastal Capitals | 0 | - | 4.95 | 91,377 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,222 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,902 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,932 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,196 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,193 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,622 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,187 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,873 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,381 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,288 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,193 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,723 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,431 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,373 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,614 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,491 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,994 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,953 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,807 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,612 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,978 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,314 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,744 |
| South China Sea Countries | 0 | - | 4.78 | 57,866 |
| Capitals of the Stans | 0 | - | 4.95 | 27,179 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,214 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,717 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,596 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,284 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,094 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,139 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,714 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,573 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,319 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,893 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,707 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,429 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,931 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,589 |
| Seas of Europe | 0 | - | 4.37 | 84,937 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,385 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,496 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,838 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,119 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,114 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,984 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,978 |
| Sea in the Answers | 0 | - | 4.08 | 49,167 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,284 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,180 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,493 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,287 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,398 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,452 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,591 |
| Capitals Starting With L | 0 | - | 4.80 | 95,935 |
| Capitals Starting With N | 0 | - | 4.80 | 51,937 |
| Capitals Starting With V | 0 | - | 4.80 | 38,678 |
| Capitals Starting With C | 0 | - | 4.78 | 99,067 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,280 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,980 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,412 |
| North American Sports Cities | 0 | - | 4.82 | 173,197 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,578 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,984 |
| Name a City - European Countries | 0 | - | 4.89 | 66,244 |
| Name a Valid World City | 0 | - | 4.85 | 72,039 |
| Cities by Former Name | 0 | - | 4.83 | 92,105 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,650 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,381 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,727 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,077 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,622 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,488 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,471 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,602 |
| Capital City Etymologies | 0 | - | 4.77 | 63,541 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,819 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,268 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,570 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,711 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,673 |
| African Physical Geography | 0 | - | 4.51 | 31,826 |
| Asian Physical Geography | 0 | - | 4.61 | 35,626 |
| Rivers of the United States | 0 | - | 4.93 | 66,719 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,799 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,552 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,975 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,587 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,151 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,724 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,618 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,710 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,566 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,246 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,756 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,118 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,231 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,748 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,875 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,897 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,008 |
| Landforms by Country | 0 | - | 4.52 | 52,026 |
| Official Cities in the UK | 0 | - | 4.89 | 286,511 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,400 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,536 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,163 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,100 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,087 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,282 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,366 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,499 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,577 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,227 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,765 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,019 |
| The Only Country ... | 0 | - | 4.91 | 81,939 |
| Countries With No Rivers | 0 | - | 4.96 | 77,191 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,064 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,198 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,667 |
| Geological Extremes | 0 | - | 4.34 | 40,116 |
| European Physical Geography | 0 | - | 4.26 | 33,601 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,370 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,915 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,903 |
| Biggest City by River | 0 | - | 4.38 | 52,968 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,739 |
| Ancient City to Country | 0 | - | 4.72 | 108,372 |
| City-States | 0 | - | 4.53 | 37,418 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,515 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,998 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,831 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,458 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,097 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,183 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,290 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,959 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,043 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,131 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,647 |
