| Capital Cities by Body of Water | 0 | - | 4.85 | 57,675 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,581 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,041 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,121 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,770 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,284 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,434 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,532 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,269 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,049 |
| Countries by Capital City | 0 | - | 5.00 | 68,330 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,670 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,534 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,231 |
| Moved Capital Cities | 0 | - | 4.96 | 74,224 |
| Capitals by River | 0 | - | 4.55 | 48,323 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,573 |
| African Great Lakes | 0 | - | 4.82 | 66,285 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,983 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,213 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,044 |
| Random Country to Capital | 0 | - | 4.98 | 920,919 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,412 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,668 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,241 |
| World Capitals by Map | 0 | - | 5.00 | 286,572 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,331 |
| Capitals Starting With H | 0 | - | 4.91 | 92,602 |
| Capitals Starting With K | 0 | - | 4.88 | 83,579 |
| Capitals Starting With L | 0 | - | 4.81 | 88,130 |
| Capitals Starting With M | 0 | - | 4.93 | 107,859 |
| Capitals Starting With P | 0 | - | 4.88 | 78,243 |
| Capitals Starting With R | 0 | - | 4.87 | 81,874 |
| Capitals Starting With S | 0 | - | 4.90 | 85,829 |
| Capitals Starting With T | 0 | - | 4.85 | 76,199 |
| Capitals Starting With W | 0 | - | 4.87 | 91,327 |
| Capitals Starting With A | 0 | - | 4.97 | 128,125 |
| Capitals Starting With B | 0 | - | 4.89 | 118,554 |
| Capitals Starting With D | 0 | - | 4.93 | 96,491 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,407 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,423 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,474 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,483 |
| Former Capitals | 0 | - | 4.88 | 71,473 |
| Europe Capital to Country | 0 | - | 4.99 | 250,407 |
| Asia Capital to Country | 0 | - | 4.96 | 126,693 |
| Capital Cities Chain | 0 | - | 4.84 | 82,768 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,921 |
| European Capitals by Map | 0 | - | 4.99 | 139,306 |
| African Capitals by Map | 0 | - | 4.99 | 133,834 |
| Coldest World Capitals | 0 | - | 4.95 | 133,576 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,452 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,107 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,449 |
| European Coastal Capitals | 0 | - | 4.95 | 90,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,601 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,116 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,121 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,845 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,595 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,925 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,602 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,538 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,935 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,504 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,066 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,300 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,183 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,863 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,446 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,203 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,169 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,397 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,461 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,420 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,086 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,636 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,192 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,310 |
| South China Sea Countries | 0 | - | 4.78 | 57,709 |
| Capitals of the Stans | 0 | - | 4.95 | 26,851 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,086 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,118 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,546 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,242 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,924 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,934 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,044 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,096 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,084 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,660 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,438 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,545 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,377 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,186 |
| Seas of Europe | 0 | - | 4.37 | 84,665 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,188 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,521 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,530 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,523 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,178 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,682 |
| Sea in the Answers | 0 | - | 4.10 | 48,949 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,157 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,008 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,351 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,836 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,750 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,301 |
| Capitals Starting With N | 0 | - | 4.80 | 51,233 |
| Capitals Starting With V | 0 | - | 4.79 | 38,205 |
| Capitals Starting With C | 0 | - | 4.79 | 98,007 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,088 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,766 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,183 |
| North American Sports Cities | 0 | - | 4.83 | 172,417 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,338 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,413 |
| Name a City - European Countries | 0 | - | 4.90 | 65,408 |
| Name a Valid World City | 0 | - | 4.83 | 71,252 |
| Cities by Former Name | 0 | - | 4.83 | 91,593 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,488 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,222 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,600 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,790 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,616 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,432 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,429 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,082 |
| Capital City Etymologies | 0 | - | 4.77 | 63,312 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,727 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,181 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,843 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,188 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,207 |
| African Physical Geography | 0 | - | 4.51 | 31,711 |
| Asian Physical Geography | 0 | - | 4.61 | 35,533 |
| Rivers of the United States | 0 | - | 4.93 | 66,220 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,568 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,732 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,015 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,115 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,142 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,925 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,819 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,272 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,995 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,961 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,246 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,408 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,881 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,147 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,562 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,232 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,201 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,932 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,125 |
| Landforms by Country | 0 | - | 4.52 | 51,972 |
| Official Cities in the UK | 0 | - | 4.89 | 283,900 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,823 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,050 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,526 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,969 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,033 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,183 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,307 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,352 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,209 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,996 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,278 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,660 |
| The Only Country ... | 0 | - | 4.91 | 81,134 |
| Countries With No Rivers | 0 | - | 4.96 | 76,830 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,149 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,523 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,096 |
| Geological Extremes | 0 | - | 4.34 | 40,034 |
| European Physical Geography | 0 | - | 4.26 | 33,519 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,819 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,470 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,767 |
| Biggest City by River | 0 | - | 4.38 | 52,861 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,990 |
| Ancient City to Country | 0 | - | 4.70 | 108,049 |
| City-States | 0 | - | 4.53 | 37,269 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,144 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,181 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,687 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,982 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,904 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,192 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,830 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,118 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,803 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,911 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,988 |
