| World Capitals Quiz | 0 | - | 5.00 | 5,074,445 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,632 |
| Coldest World Capitals | 0 | - | 4.95 | 133,569 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,259 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,534 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,411 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,504 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,236 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,015 |
| Countries by Capital City | 0 | - | 5.00 | 68,294 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,174 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,655 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,466 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,208 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,424 |
| Moved Capital Cities | 0 | - | 4.96 | 74,214 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,163 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,072 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,560 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,187 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,053 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,520 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,897 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,801 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,027 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,400 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,661 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,218 |
| World Capitals by Map | 0 | - | 5.00 | 286,497 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,326 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,657 |
| Random Country to Capital | 0 | - | 4.98 | 920,709 |
| Capitals Starting With H | 0 | - | 4.91 | 92,565 |
| Capitals Starting With K | 0 | - | 4.88 | 83,534 |
| Capitals Starting With L | 0 | - | 4.81 | 88,098 |
| Capitals Starting With M | 0 | - | 4.93 | 107,814 |
| Capitals Starting With P | 0 | - | 4.88 | 78,217 |
| Capitals Starting With R | 0 | - | 4.87 | 81,840 |
| Capitals Starting With S | 0 | - | 4.90 | 85,798 |
| Capitals Starting With T | 0 | - | 4.85 | 76,182 |
| Capitals Starting With W | 0 | - | 4.87 | 91,312 |
| Capitals Starting With A | 0 | - | 4.97 | 127,972 |
| Capitals Starting With B | 0 | - | 4.89 | 118,497 |
| Capitals Starting With D | 0 | - | 4.93 | 96,457 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,464 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,524 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,148 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,292 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,899 |
| Former Capitals | 0 | - | 4.88 | 71,461 |
| Europe Capital to Country | 0 | - | 4.99 | 250,344 |
| Asia Capital to Country | 0 | - | 4.96 | 126,675 |
| Capital Cities Chain | 0 | - | 4.84 | 82,751 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,893 |
| European Capitals by Map | 0 | - | 4.99 | 139,202 |
| African Capitals by Map | 0 | - | 4.99 | 133,810 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,418 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,089 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,433 |
| European Coastal Capitals | 0 | - | 4.95 | 90,611 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,590 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,050 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,084 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,578 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,907 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,791 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,035 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,505 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,846 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,491 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,050 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,283 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,164 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,848 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,673 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,186 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,382 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,448 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,412 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,612 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,179 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,298 |
| Capitals of the Stans | 0 | - | 4.95 | 26,847 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,108 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,541 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,242 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,918 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,894 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,013 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,085 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,628 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,404 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,344 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,163 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,150 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,032 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,275 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,153 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,496 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,347 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,504 |
| Capitals Starting With N | 0 | - | 4.80 | 51,206 |
| Capitals Starting With V | 0 | - | 4.79 | 38,192 |
| Capitals Starting With C | 0 | - | 4.79 | 97,954 |
| North American Sports Cities | 0 | - | 4.83 | 172,400 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,320 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,048 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,399 |
| Name a City - European Countries | 0 | - | 4.90 | 65,395 |
| Cities by Former Name | 0 | - | 4.83 | 91,581 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,486 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,800 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,215 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,598 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,779 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,002 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,909 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,425 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,725 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,833 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,000 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,719 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,420 |
| NATO Countries | 0 | - | 4.98 | 280,479 |
| EU Countries Quiz | 0 | - | 4.99 | 274,335 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,426 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,284 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,579 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,541 |
| Countries with NO Military | 0 | - | 4.97 | 62,335 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,615 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,379 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,599 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,430 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,067 |
| Capital City Etymologies | 0 | - | 4.77 | 63,309 |
| Busiest Container Ports | 0 | - | 4.11 | 37,409 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,243 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,303 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,398 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,869 |
| U.S. College Towns | 0 | - | 4.47 | 29,229 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,143 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,561 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,699 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,987 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,071 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,118 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,804 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,215 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,063 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,086 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,235 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,416 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,561 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,797 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,718 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,250 |
| Buddhist Countries | 0 | - | 4.96 | 144,362 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,476 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,584 |
| World Currency Quiz | 0 | - | 4.92 | 303,130 |
| Official Cities in the UK | 0 | - | 4.89 | 283,790 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.10 | 12,684 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.07 | 11,904 |
| The Only Country ... | 0 | - | 4.91 | 81,069 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,454 |
| Orthodox Countries | 0 | - | 4.92 | 131,968 |
| Richest Island Countries | 0 | - | 4.85 | 100,553 |
| Battle to Country | 0 | - | 4.91 | 53,355 |
| Monarchies of Europe | 0 | - | 4.90 | 98,165 |
| Monarchies of Asia | 0 | - | 4.97 | 71,098 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,129 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,104 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,226 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,855 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,613 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,900 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,417 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,434 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,730 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,426 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,462 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,608 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,310 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,554 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,914 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,614 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,304 |
| Countries that Start with D | 0 | - | 4.96 | 709,769 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,360 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,508 |
| Countries that Start with H | 0 | - | 4.96 | 604,863 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,448 |
| Countries that Start with J | 0 | - | 4.98 | 602,543 |
| Countries that Start with K | 0 | - | 4.97 | 815,908 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,870 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,864 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,252 |
