| World Capitals Quiz | 0 | - | 5.00 | 5,061,128 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,021 |
| Coldest World Capitals | 0 | - | 4.95 | 133,438 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,595 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,871 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,894 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,430 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,209 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,237 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,897 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,534 |
| Countries by Capital City | 0 | - | 5.00 | 67,857 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,931 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,429 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,516 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,922 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,146 |
| Moved Capital Cities | 0 | - | 4.96 | 74,015 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,042 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,907 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,366 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,145 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,463 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,206 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,669 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,508 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,758 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,306 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,552 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,837 |
| World Capitals by Map | 0 | - | 5.00 | 285,471 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,129 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,347 |
| Random Country to Capital | 0 | - | 4.98 | 917,738 |
| Capitals Starting With H | 0 | - | 4.90 | 91,907 |
| Capitals Starting With K | 0 | - | 4.85 | 76,083 |
| Capitals Starting With L | 0 | - | 4.81 | 87,314 |
| Capitals Starting With M | 0 | - | 4.93 | 106,855 |
| Capitals Starting With P | 0 | - | 4.88 | 77,594 |
| Capitals Starting With R | 0 | - | 4.87 | 81,349 |
| Capitals Starting With S | 0 | - | 4.89 | 85,235 |
| Capitals Starting With T | 0 | - | 4.84 | 75,695 |
| Capitals Starting With W | 0 | - | 4.87 | 90,969 |
| Capitals Starting With A | 0 | - | 4.97 | 127,172 |
| Capitals Starting With B | 0 | - | 4.89 | 117,813 |
| Capitals Starting With D | 0 | - | 4.93 | 95,883 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,804 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,213 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,648 |
| Former Capitals | 0 | - | 4.88 | 71,359 |
| Europe Capital to Country | 0 | - | 4.99 | 249,470 |
| Asia Capital to Country | 0 | - | 4.96 | 126,419 |
| Capital Cities Chain | 0 | - | 4.84 | 82,441 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,518 |
| European Capitals by Map | 0 | - | 4.99 | 138,451 |
| African Capitals by Map | 0 | - | 4.99 | 133,245 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,027 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,839 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,201 |
| European Coastal Capitals | 0 | - | 4.95 | 90,342 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,482 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,011 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,476 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,717 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,359 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,624 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,504 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,269 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,962 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,217 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,864 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,952 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,671 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,588 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,056 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,055 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,282 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,267 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,237 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,150 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,151 |
| Capitals of the Stans | 0 | - | 4.95 | 26,716 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,872 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,522 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,211 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,845 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 80,384 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,660 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,927 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,257 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,009 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,121 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,029 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,795 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,003 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 70,414 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,108 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,642 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,858 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,174 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,315 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,432 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,286 |
| Capitals Starting With N | 0 | - | 4.80 | 50,709 |
| Capitals Starting With V | 0 | - | 4.79 | 37,889 |
| Capitals Starting With C | 0 | - | 4.78 | 97,235 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,674 |
| North American Sports Cities | 0 | - | 4.83 | 171,719 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,212 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,721 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,213 |
| Name a City - European Countries | 0 | - | 4.90 | 65,147 |
| Name a Valid World City | 0 | - | 4.83 | 70,897 |
| Cities by Former Name | 0 | - | 4.83 | 91,404 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,271 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,758 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,158 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,550 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,679 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,950 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,415 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,704 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,626 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,887 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,442 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,976 |
| NATO Countries | 0 | - | 4.98 | 279,102 |
| EU Countries Quiz | 0 | - | 4.99 | 272,691 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,295 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,672 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,619 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,888 |
| Countries with NO Military | 0 | - | 4.97 | 61,905 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,368 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,420 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,314 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,377 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,400 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,939 |
| Capital City Etymologies | 0 | - | 4.77 | 63,225 |
| Busiest Container Ports | 0 | - | 4.11 | 37,378 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,222 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,235 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,260 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,791 |
| U.S. College Towns | 0 | - | 4.47 | 29,188 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,111 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,499 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,357 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,752 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,475 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,770 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,666 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,929 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,048 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,928 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,713 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,075 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,316 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,617 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,579 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,819 |
| Buddhist Countries | 0 | - | 4.96 | 143,662 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,543 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,126 |
| World Currency Quiz | 0 | - | 4.91 | 301,736 |
| Official Cities in the UK | 0 | - | 4.89 | 282,897 |
| The Only Country ... | 0 | - | 4.91 | 80,728 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,018 |
| Orthodox Countries | 0 | - | 4.92 | 131,224 |
| Richest Island Countries | 0 | - | 4.84 | 100,264 |
| Battle to Country | 0 | - | 4.91 | 53,106 |
| Monarchies of Europe | 0 | - | 4.90 | 97,920 |
| Monarchies of Asia | 0 | - | 4.97 | 70,954 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,343 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,388 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,675 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,466 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,826 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,071 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,759 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,093 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,045 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,351 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,252 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,233 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,062 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,997 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,326 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,085 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,098 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,548 |
| Countries that Start with D | 0 | - | 4.96 | 707,172 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,337 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,977 |
| Countries that Start with H | 0 | - | 4.96 | 602,713 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,733 |
| Countries that Start with J | 0 | - | 4.98 | 600,565 |
| Countries that Start with K | 0 | - | 4.97 | 813,680 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,496 |
