| Capital Cities by Body of Water | 0 | - | 4.85 | 57,804 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,271 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,627 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,545 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,607 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,800 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,136 |
| Capitals by River | 0 | - | 4.55 | 48,367 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,925 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,809 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,993 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,935 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,813 |
| Countries by Capital City | 0 | - | 5.00 | 69,093 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,664 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,062 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,637 |
| Moved Capital Cities | 0 | - | 4.96 | 74,526 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,745 |
| African Great Lakes | 0 | - | 4.82 | 66,786 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,287 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,127 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,207 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,602 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,883 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,631 |
| World Capitals by Map | 0 | - | 5.00 | 288,634 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,679 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,419 |
| Random Country to Capital | 0 | - | 4.98 | 925,592 |
| Capitals Starting With H | 0 | - | 4.91 | 92,926 |
| Capitals Starting With K | 0 | - | 4.88 | 83,978 |
| Capitals Starting With L | 0 | - | 4.81 | 88,482 |
| Capitals Starting With M | 0 | - | 4.93 | 108,420 |
| Capitals Starting With P | 0 | - | 4.88 | 78,550 |
| Capitals Starting With R | 0 | - | 4.88 | 82,144 |
| Capitals Starting With S | 0 | - | 4.90 | 86,139 |
| Capitals Starting With T | 0 | - | 4.85 | 76,474 |
| Capitals Starting With W | 0 | - | 4.87 | 91,493 |
| Capitals Starting With A | 0 | - | 4.97 | 128,568 |
| Capitals Starting With B | 0 | - | 4.89 | 118,961 |
| Capitals Starting With D | 0 | - | 4.93 | 96,828 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,286 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,653 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,213 |
| Former Capitals | 0 | - | 4.88 | 71,612 |
| Europe Capital to Country | 0 | - | 4.99 | 251,602 |
| Asia Capital to Country | 0 | - | 4.96 | 127,213 |
| Capital Cities Chain | 0 | - | 4.84 | 83,191 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,459 |
| African Capitals by Map | 0 | - | 4.99 | 141,504 |
| Coldest World Capitals | 0 | - | 4.95 | 134,066 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,625 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,652 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,992 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,077 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,770 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,325 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,059 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,971 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,373 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,532 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,923 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,699 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,507 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,993 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,412 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,860 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,529 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,256 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,096 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,471 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,376 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,796 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,647 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,450 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,316 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,281 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,584 |
| Capitals of the Stans | 0 | - | 4.95 | 27,059 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,883 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,392 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,289 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,127 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,719 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,451 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,827 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,166 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,689 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,578 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,041 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,187 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,728 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,774 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,475 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,397 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,863 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,781 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,976 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,777 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,859 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,003 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,236 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,112 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,456 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,154 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,279 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,224 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,487 |
| Capitals Starting With N | 0 | - | 4.80 | 51,501 |
| Capitals Starting With V | 0 | - | 4.79 | 38,430 |
| Capitals Starting With C | 0 | - | 4.78 | 98,483 |
| South China Sea Countries | 0 | - | 4.78 | 57,805 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,896 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| North American Sports Cities | 0 | - | 4.83 | 172,954 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,499 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,795 |
| Name a City - European Countries | 0 | - | 4.90 | 65,957 |
| Name a Valid World City | 0 | - | 4.84 | 71,751 |
| Cities by Former Name | 0 | - | 4.83 | 91,914 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,132 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,430 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,440 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,242 |
| Rivers of the United States | 0 | - | 4.93 | 66,538 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,348 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,319 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,690 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,981 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,375 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,463 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,460 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,439 |
| Capital City Etymologies | 0 | - | 4.77 | 63,467 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,233 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,804 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,364 |
| African Physical Geography | 0 | - | 4.51 | 31,783 |
| Asian Physical Geography | 0 | - | 4.61 | 35,595 |
| Seas of Europe | 0 | - | 4.37 | 84,833 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,702 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,676 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,256 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,720 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,065 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,805 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,496 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,427 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,637 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,634 |
| Landforms by Country | 0 | - | 4.52 | 52,006 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,516 |
| Sea in the Answers | 0 | - | 4.08 | 49,106 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,138 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,626 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,036 |
| Official Cities in the UK | 0 | - | 4.89 | 285,489 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,157 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,332 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,867 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,060 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,072 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,246 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,347 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,447 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,430 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,160 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,317 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,911 |
| The Only Country ... | 0 | - | 4.91 | 81,669 |
| Countries With No Rivers | 0 | - | 4.96 | 77,051 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,733 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,994 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,441 |
| Geological Extremes | 0 | - | 4.34 | 40,091 |
| European Physical Geography | 0 | - | 4.26 | 33,572 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,159 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,733 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,835 |
| Biggest City by River | 0 | - | 4.38 | 52,927 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,550 |
| Ancient City to Country | 0 | - | 4.70 | 108,254 |
| City-States | 0 | - | 4.53 | 37,365 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,442 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,716 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,771 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,434 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,619 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,235 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,334 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,190 |
