| World Capitals Quiz | 0 | - | 5.00 | 5,026,728 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,428 |
| Coldest World Capitals | 0 | - | 4.95 | 132,993 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,054 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,439 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,833 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,047 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,580 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,533 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,496 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,255 |
| Countries by Capital City | 0 | - | 5.00 | 66,489 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,239 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,822 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,030 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,355 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,282 |
| Moved Capital Cities | 0 | - | 4.96 | 73,529 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,658 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,409 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,010 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,377 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,417 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,538 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,991 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,644 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,197 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,810 |
| World Capitals by Map | 0 | - | 5.00 | 282,898 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,609 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,581 |
| Random Country to Capital | 0 | - | 4.98 | 910,717 |
| Capitals Starting With H | 0 | - | 4.90 | 89,695 |
| Capitals Starting With K | 0 | - | 4.85 | 75,551 |
| Capitals Starting With M | 0 | - | 4.93 | 105,854 |
| Capitals Starting With P | 0 | - | 4.88 | 77,055 |
| Capitals Starting With R | 0 | - | 4.87 | 80,852 |
| Capitals Starting With S | 0 | - | 4.89 | 84,670 |
| Capitals Starting With T | 0 | - | 4.84 | 75,178 |
| Capitals Starting With W | 0 | - | 4.89 | 90,499 |
| Capitals Starting With A | 0 | - | 4.97 | 126,366 |
| Capitals Starting With B | 0 | - | 4.89 | 117,127 |
| Capitals Starting With D | 0 | - | 4.93 | 95,219 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,834 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,956 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,531 |
| Former Capitals | 0 | - | 4.88 | 71,094 |
| Europe Capital to Country | 0 | - | 4.99 | 247,332 |
| Asia Capital to Country | 0 | - | 4.96 | 125,642 |
| Capital Cities Chain | 0 | - | 4.84 | 81,831 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,325 |
| European Capitals by Map | 0 | - | 4.99 | 135,995 |
| African Capitals by Map | 0 | - | 4.99 | 132,073 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,987 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,086 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,538 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,453 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,579 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,708 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,897 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,715 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,896 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,585 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,564 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,345 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,036 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,089 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,262 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,653 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,380 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,810 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,874 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,161 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,063 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,717 |
| Capitals of the Stans | 0 | - | 4.95 | 26,372 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,315 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,452 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,148 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,650 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,200 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,551 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,509 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,031 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,711 |
| World Capitals with a Unique First Letter | 0 | - | 4.78 | 63,232 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,584 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,616 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,615 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,948 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 49,608 |
| Nearest Capital City #2 | 0 | - | 4.56 | 39,000 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,530 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,754 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,332 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,209 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,158 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,846 |
| Capitals Starting With L | 0 | - | 4.81 | 86,693 |
| Capitals Starting With N | 0 | - | 4.80 | 50,204 |
| Capitals Starting With V | 0 | - | 4.79 | 37,485 |
| Capitals Starting With C | 0 | - | 4.74 | 96,363 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,535 |
| North American Sports Cities | 0 | - | 4.83 | 170,783 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,744 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,649 |
| Name a City - European Countries | 0 | - | 4.92 | 64,284 |
| Name a Valid World City | 0 | - | 4.83 | 70,019 |
| Cities by Former Name | 0 | - | 4.84 | 90,886 |
| National Subdivisions by Capital | 0 | - | 4.36 | 98,879 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,635 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 74,977 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,414 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,362 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,778 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,371 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,608 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,754 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,088 |
| NATO Countries | 0 | - | 4.98 | 275,242 |
| EU Countries Quiz | 0 | - | 4.99 | 269,533 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,581 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,789 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,826 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,611 |
| Countries with NO Military | 0 | - | 4.97 | 61,087 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,848 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,352 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,074 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,378 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,323 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,400 |
| Capital City Etymologies | 0 | - | 4.77 | 62,985 |
| Busiest Container Ports | 0 | - | 4.11 | 37,264 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,137 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,057 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,065 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,546 |
| U.S. College Towns | 0 | - | 4.47 | 29,090 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,011 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,270 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,258 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,105 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,920 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,673 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,279 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,995 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 15,995 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,041 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,292 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,167 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,655 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,040 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,643 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,822 |
| Buddhist Countries | 0 | - | 4.96 | 142,844 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,551 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,895 |
| World Currency Quiz | 0 | - | 4.92 | 297,924 |
| Official Cities in the UK | 0 | - | 4.89 | 280,236 |
| The Only Country ... | 0 | - | 4.91 | 79,741 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,901 |
| Orthodox Countries | 0 | - | 4.91 | 130,277 |
| Richest Island Countries | 0 | - | 4.84 | 99,413 |
| Battle to Country | 0 | - | 4.91 | 52,451 |
| Monarchies of Europe | 0 | - | 4.90 | 97,228 |
| Monarchies of Asia | 0 | - | 4.97 | 70,546 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,307 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,602 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,127 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,291 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,962 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 47,758 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,387 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,178 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,046 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,374 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,475 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,562 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,797 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,838 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,621 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,060 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,351 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,068 |
| Countries that Start with D | 0 | - | 4.96 | 700,702 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,530 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,724 |
| Countries that Start with H | 0 | - | 4.96 | 597,231 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,407 |
| Countries that Start with J | 0 | - | 4.98 | 595,313 |
| Countries that Start with K | 0 | - | 4.96 | 808,753 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,122 |
