| Capital Cities by Body of Water | 0 | - | 4.87 | 53,525 |
| World Capitals Quiz | 0 | - | 5.00 | 4,544,579 |
| Capitals by River | 0 | - | 4.64 | 47,242 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,398,939 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,074 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,242 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,420 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,151 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,314 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,035 |
| Countries by Capital City | 0 | - | 4.99 | 50,695 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,684 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,776 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,873 |
| Moved Capital Cities | 0 | - | 4.96 | 67,622 |
| African Great Lakes | 0 | - | 4.85 | 54,372 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.85 | 49,202 |
| Africa Capitals Quiz | 0 | - | 4.99 | 643,149 |
| Asia Capitals Quiz | 0 | - | 4.98 | 601,807 |
| Random Capital to Country | 0 | - | 4.99 | 2,382,527 |
| Random Country to Capital | 0 | - | 4.98 | 810,277 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,682 |
| Capitals in their Native Languages | 0 | - | 4.94 | 127,804 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,756 |
| World Capitals by Proximity | 0 | - | 4.89 | 302,047 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,134 |
| World Capitals by Map | 0 | - | 5.00 | 245,366 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,760 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,761 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,419 |
| World Capitals By Letter - M | 0 | - | 4.89 | 86,656 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,613 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,767 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,079 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,932 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,774 |
| World Capitals By Letter - A | 0 | - | 4.96 | 105,564 |
| World Capitals By Letter - B | 0 | - | 4.85 | 97,595 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,755 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,543 |
| South China Sea Countries | 0 | - | 4.81 | 54,148 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,230 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,754 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,136 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,356 |
| Europe Capital to Country | 0 | - | 4.99 | 222,132 |
| Asia Capital to Country | 0 | - | 4.96 | 106,625 |
| Capital Cities Chain | 0 | - | 4.86 | 72,107 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,219 |
| European Capitals by Map | 0 | - | 4.99 | 96,379 |
| African Capitals by Map | 0 | - | 4.99 | 112,677 |
| Coldest World Capitals | 0 | - | 4.96 | 128,464 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,339 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,922 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,301 |
| European Coastal Capitals | 0 | - | 4.95 | 78,050 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,171 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 232,018 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 195,991 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,503 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,380 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,590 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 57,042 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,287 |
| South America Capitals Quiz | 0 | - | 5.00 | 430,770 |
| Rivers of the United States | 0 | - | 4.92 | 57,660 |
| Capitals A-Z | 0 | - | 4.85 | 42,097 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,689 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,085 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,000 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,586 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,692 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 90,445 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,410 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 89,030 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,135 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,767 |
| Flags to Capitals #2 | 0 | - | 4.95 | 37,364 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 85,634 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,740 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,548 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,515 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,188 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 53,500 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.44 | 49,316 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 55,764 |
| Top Five Capitals By Category #1 | 0 | - | 4.58 | 53,629 |
| Top Five Capitals By Category #2 | 0 | - | 4.55 | 45,927 |
| Most Expensive Capital Cities | 0 | - | 4.54 | 73,372 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 116,007 |
| Random World Capitals on a Map | 0 | - | 4.92 | 115,604 |
| Name a Valid European Capital | 0 | - | 4.94 | 126,628 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 80,593 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,117 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,475 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,164 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,848 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 67,068 |
| Nearest Capital City #2 | 0 | - | 4.53 | 37,255 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,334 |
| World Capitals with the Most International Tourists | 0 | - | 4.48 | 51,604 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,725 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,526 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,231 |
| World Capitals By Letter - L | 0 | - | 4.75 | 77,711 |
| World Capitals By Letter - N | 0 | - | 4.66 | 41,893 |
| World Capitals By Letter - C | 0 | - | 4.76 | 72,843 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 76,697 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,404 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,027 |
| Cities by Former Name | 0 | - | 4.86 | 72,196 |
| Capital of What | 0 | - | 4.34 | 92,151 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.33 | 72,278 |
| Capitals by First and Last Letter | 0 | - | 4.37 | 64,154 |
| Solve the Secret Capital City | 0 | - | 4.78 | 139,918 |
| Capital Cities Closest to the Equator | 0 | - | 4.57 | 14,857 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 47,604 |
| Capital City Etymologies | 0 | - | 4.76 | 50,311 |
| Double Trouble Capital Cities | 0 | - | 4.55 | 9,708 |
| Top 10 Hottest European Capitals | 0 | - | 4.59 | 31,664 |
| Countries with Wild Tigers | 0 | - | 4.95 | 112,032 |
| Countries with Wild Penguins | 0 | - | 4.93 | 91,008 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 79,358 |
| Asian Physical Geography | 0 | - | 4.59 | 33,753 |
| Single Vowel Capitals | 0 | - | 4.76 | 12,857 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,259 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,775 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 194,677 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 57,967 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,306 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,205 |
| Countries with the Most Sheep | 0 | - | 4.88 | 82,917 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 63,923 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,997 |
| Global Cities Quiz | 0 | - | 4.64 | 157,522 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,407 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 68,851 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,459 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.42 | 35,079 |
| Word Scramble - National Capitals | 0 | - | 4.21 | 424,737 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 46,503 |
| Landforms by Country Quiz | 0 | - | 4.54 | 51,291 |
| Countries Closest to the Aegean Sea | 0 | - | 4.63 | 56,273 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.76 | 33,984 |
| Longest Rivers in the UK | 0 | - | 4.39 | 13,134 |
| Official Cities in the UK | 0 | - | 4.86 | 235,026 |
| Most Guessed Cities by Country #3 | 0 | - | 4.86 | 20,827 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 40,571 |
| One-Syllable World Capital Cities | 0 | - | 4.40 | 45,910 |
| Hottest Capital Cities | 0 | - | 4.46 | 30,018 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,377 |
| Capital Cities Nearest to Islands | 0 | - | 4.59 | 12,532 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,872 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 87,877 |
| Add A Letter - Make a Capital City | 0 | - | 4.47 | 31,007 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.63 | 13,969 |
| World Capitals - One Minute Sprint | 0 | - | 4.17 | 205,598 |
| The Only Country ... | 0 | - | 4.88 | 47,425 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 102,091 |
| Countries with the Most Wolves | 0 | - | 4.88 | 79,453 |
| Geological Extremes Quiz | 0 | - | 4.32 | 38,774 |
| African Physical Geography | 0 | - | 4.49 | 30,116 |
| European Physical Geography | 0 | - | 4.20 | 32,049 |
| Countries With The Most Bird Species | 0 | - | 4.87 | 20,042 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 18,985 |
| Lonely Planet Top 200 Cities | 0 | - | 4.58 | 210,804 |
| Ancient City to Country | 0 | - | 4.76 | 101,578 |
| City-States | 0 | - | 4.54 | 35,044 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 50,267 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,499 |
| Damaged and Destroyed Cities | 0 | - | 4.41 | 42,102 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 96,141 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,152 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,849 |
| City Where It Happened #2 | 0 | - | 4.44 | 50,475 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,724 |
| World Capitals by a Single Clue #2 | 0 | - | 4.44 | 40,883 |
| World Capitals by a Single Clue #1 | 0 | - | 4.46 | 44,627 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,336 |
| Boundary Waters | 0 | - | 4.93 | 81,621 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,901 |
| Unusual American City Names | 0 | - | 4.50 | 17,096 |
| Northernmost Major Cities | 0 | - | 4.05 | 55,295 |
| Biggest "Saint" Cities | 0 | - | 4.34 | 79,091 |
| Word Scramble - Cities #1 | 0 | - | 4.49 | 94,734 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 42,258 |
| North American Sports Cities | 0 | - | 4.79 | 160,630 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 95,003 |
| Cities by Airports | 0 | - | 4.51 | 81,673 |
| Most Livable Cities | 0 | - | 4.15 | 55,923 |
| U.S. Cities With Spanish Names | 0 | - | 4.39 | 62,145 |
| Largest World Cities With Five Letters | 0 | - | 4.54 | 60,081 |
| Cities Chain #2 | 0 | - | 4.42 | 53,802 |
| Cities Chain #1 | 0 | - | 4.65 | 63,192 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.44 | 8,141 |
| World's Biggest Financial Centers | 0 | - | 4.48 | 43,722 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,540,715 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,318 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.43 | 32,679 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,194 |
