| World Capitals Quiz | 0 | - | 5.00 | 5,079,406 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,798 |
| Coldest World Capitals | 0 | - | 4.95 | 133,610 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,419 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,572 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,489 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,599 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,358 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,176 |
| Countries by Capital City | 0 | - | 5.00 | 68,478 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,272 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,746 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,804 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,312 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,551 |
| Moved Capital Cities | 0 | - | 4.96 | 74,283 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,213 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,144 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,608 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,208 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,234 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,642 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,976 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,761 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,952 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,439 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,713 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,313 |
| World Capitals by Map | 0 | - | 5.00 | 287,114 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,399 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,104 |
| Random Country to Capital | 0 | - | 4.98 | 921,727 |
| Capitals Starting With H | 0 | - | 4.91 | 92,655 |
| Capitals Starting With K | 0 | - | 4.88 | 83,682 |
| Capitals Starting With L | 0 | - | 4.81 | 88,185 |
| Capitals Starting With M | 0 | - | 4.93 | 107,957 |
| Capitals Starting With P | 0 | - | 4.88 | 78,287 |
| Capitals Starting With R | 0 | - | 4.87 | 81,925 |
| Capitals Starting With S | 0 | - | 4.90 | 85,890 |
| Capitals Starting With T | 0 | - | 4.85 | 76,242 |
| Capitals Starting With W | 0 | - | 4.87 | 91,357 |
| Capitals Starting With A | 0 | - | 4.97 | 128,191 |
| Capitals Starting With B | 0 | - | 4.89 | 118,618 |
| Capitals Starting With D | 0 | - | 4.93 | 96,549 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,506 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,560 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,305 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,329 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,000 |
| Former Capitals | 0 | - | 4.88 | 71,494 |
| Europe Capital to Country | 0 | - | 4.99 | 250,610 |
| Asia Capital to Country | 0 | - | 4.96 | 126,759 |
| Capital Cities Chain | 0 | - | 4.83 | 82,847 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,046 |
| European Capitals by Map | 0 | - | 4.99 | 139,623 |
| African Capitals by Map | 0 | - | 4.99 | 134,043 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,551 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,536 |
| European Coastal Capitals | 0 | - | 4.95 | 90,714 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,633 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,436 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,285 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,879 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,673 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,013 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,883 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,099 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,004 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,247 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,128 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,421 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,264 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,923 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,704 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,239 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,478 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,531 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,474 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,758 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,192 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,352 |
| Capitals of the Stans | 0 | - | 4.95 | 26,880 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,187 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,553 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,245 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,957 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,084 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,115 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,159 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,744 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,553 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,434 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,235 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,333 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,036 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,563 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,168 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,619 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,359 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,587 |
| Capitals Starting With N | 0 | - | 4.80 | 51,275 |
| Capitals Starting With V | 0 | - | 4.79 | 38,249 |
| Capitals Starting With C | 0 | - | 4.79 | 98,083 |
| North American Sports Cities | 0 | - | 4.83 | 172,525 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,363 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,171 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,471 |
| Name a City - European Countries | 0 | - | 4.90 | 65,499 |
| Cities by Former Name | 0 | - | 4.83 | 91,638 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,504 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,821 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,239 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,620 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,825 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,025 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,927 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,434 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,735 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,892 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,039 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,844 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,063 |
| NATO Countries | 0 | - | 4.98 | 281,074 |
| EU Countries Quiz | 0 | - | 4.99 | 274,989 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,944 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,915 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,966 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,769 |
| Countries with NO Military | 0 | - | 4.97 | 62,509 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,720 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,410 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,699 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,444 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,131 |
| Capital City Etymologies | 0 | - | 4.77 | 63,353 |
| Busiest Container Ports | 0 | - | 4.11 | 37,422 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,250 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,326 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,434 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,915 |
| U.S. College Towns | 0 | - | 4.47 | 29,237 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,160 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,841 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,083 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,296 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,260 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,885 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,311 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,070 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,909 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,449 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,555 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,651 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,857 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,124 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,393 |
| Buddhist Countries | 0 | - | 4.96 | 144,491 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,722 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,747 |
| World Currency Quiz | 0 | - | 4.92 | 303,703 |
| Official Cities in the UK | 0 | - | 4.89 | 284,189 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.11 | 12,791 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.07 | 11,970 |
| The Only Country ... | 0 | - | 4.91 | 81,285 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,644 |
| Orthodox Countries | 0 | - | 4.92 | 132,126 |
| Richest Island Countries | 0 | - | 4.85 | 100,678 |
| Battle to Country | 0 | - | 4.91 | 53,440 |
| Monarchies of Europe | 0 | - | 4.90 | 98,244 |
| Monarchies of Asia | 0 | - | 4.97 | 71,151 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,402 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,347 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,426 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,002 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,891 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,957 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,553 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,550 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,865 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,481 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,543 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,114 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,434 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,647 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,836 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,433 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,714 |
| Countries that Start with D | 0 | - | 4.96 | 710,812 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,510 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,759 |
| Countries that Start with H | 0 | - | 4.96 | 605,602 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,362 |
| Countries that Start with J | 0 | - | 4.98 | 603,236 |
| Countries that Start with K | 0 | - | 4.97 | 816,712 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,772 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,785 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,205 |
