| World Capitals Quiz | 0 | - | 5.00 | 5,027,294 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,610 |
| Coldest World Capitals | 0 | - | 4.95 | 133,002 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,843 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,059 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,588 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,541 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,504 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,269 |
| Countries by Capital City | 0 | - | 5.00 | 66,507 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,246 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,085 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,358 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,298 |
| Moved Capital Cities | 0 | - | 4.96 | 73,536 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,663 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,419 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,013 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,393 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,431 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,600 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,056 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,653 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,202 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,822 |
| World Capitals by Map | 0 | - | 5.00 | 282,937 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,828 |
| Random Country to Capital | 0 | - | 4.98 | 910,810 |
| Capitals Starting With H | 0 | - | 4.90 | 90,012 |
| Capitals Starting With K | 0 | - | 4.85 | 75,586 |
| Capitals Starting With L | 0 | - | 4.81 | 86,719 |
| Capitals Starting With M | 0 | - | 4.93 | 105,908 |
| Capitals Starting With P | 0 | - | 4.88 | 77,090 |
| Capitals Starting With R | 0 | - | 4.87 | 80,881 |
| Capitals Starting With S | 0 | - | 4.89 | 84,705 |
| Capitals Starting With T | 0 | - | 4.84 | 75,211 |
| Capitals Starting With W | 0 | - | 4.89 | 90,524 |
| Capitals Starting With A | 0 | - | 4.97 | 126,407 |
| Capitals Starting With B | 0 | - | 4.89 | 117,172 |
| Capitals Starting With D | 0 | - | 4.93 | 95,258 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,848 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,964 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,557 |
| Former Capitals | 0 | - | 4.88 | 71,100 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,656 |
| Capital Cities Chain | 0 | - | 4.84 | 81,841 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,026 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,478 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,610 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,713 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,908 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,058 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,935 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,615 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,351 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,094 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,265 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,657 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,390 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,818 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,879 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,176 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,065 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,721 |
| Capitals of the Stans | 0 | - | 4.95 | 26,378 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,324 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,458 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,149 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,650 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,215 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,567 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,513 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,058 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,722 |
| World Capitals with a Unique First Letter | 0 | - | 4.78 | 63,232 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,591 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,623 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,632 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,949 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 50,279 |
| Nearest Capital City #2 | 0 | - | 4.56 | 39,001 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,346 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,211 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,856 |
| Capitals Starting With N | 0 | - | 4.80 | 50,238 |
| Capitals Starting With V | 0 | - | 4.79 | 37,513 |
| Capitals Starting With C | 0 | - | 4.74 | 96,399 |
| North American Sports Cities | 0 | - | 4.83 | 170,797 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,891 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,761 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,658 |
| Name a City - European Countries | 0 | - | 4.92 | 64,294 |
| Cities by Former Name | 0 | - | 4.84 | 90,891 |
| National Subdivisions by Capital | 0 | - | 4.36 | 98,889 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,638 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 74,978 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,414 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,370 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,371 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,609 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,585 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,129 |
| NATO Countries | 0 | - | 4.98 | 275,293 |
| EU Countries Quiz | 0 | - | 4.99 | 269,581 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,621 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,844 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,867 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,627 |
| Countries with NO Military | 0 | - | 4.97 | 61,098 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,862 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,352 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,080 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,412 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,326 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,410 |
| Capital City Etymologies | 0 | - | 4.77 | 62,986 |
| Busiest Container Ports | 0 | - | 4.11 | 37,267 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,137 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,059 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,069 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,548 |
| U.S. College Towns | 0 | - | 4.47 | 29,092 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,012 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,280 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,117 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,941 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,688 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,285 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,018 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 15,995 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,087 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,306 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,178 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,665 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,056 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,681 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,836 |
| Buddhist Countries | 0 | - | 4.96 | 142,862 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,588 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,917 |
| World Currency Quiz | 0 | - | 4.92 | 297,971 |
| Official Cities in the UK | 0 | - | 4.89 | 280,269 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,530 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,754 |
| The Only Country ... | 0 | - | 4.91 | 79,758 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,914 |
| Orthodox Countries | 0 | - | 4.91 | 130,288 |
| Richest Island Countries | 0 | - | 4.84 | 99,427 |
| Battle to Country | 0 | - | 4.91 | 52,462 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,550 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,335 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,618 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,145 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,308 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,041 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,190 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,059 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,386 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,485 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,571 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,830 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,850 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,636 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,274 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,517 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,206 |
| Countries that Start with D | 0 | - | 4.96 | 700,794 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,630 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,842 |
| Countries that Start with H | 0 | - | 4.96 | 597,311 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,511 |
| Countries that Start with J | 0 | - | 4.98 | 595,381 |
| Countries that Start with K | 0 | - | 4.96 | 808,830 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,213 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,071 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,894 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,572 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,661 |
