| World Capitals Quiz | 0 | - | 5.00 | 5,036,717 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,830 |
| Coldest World Capitals | 0 | - | 4.95 | 133,090 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,158 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,516 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,122 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,165 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,755 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,714 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,802 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,633 |
| Countries by Capital City | 0 | - | 5.00 | 66,837 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,437 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,998 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,775 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,486 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,535 |
| Moved Capital Cities | 0 | - | 4.96 | 73,670 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,764 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,570 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,051 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,675 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,623 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,200 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,154 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,732 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,742 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,287 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,083 |
| World Capitals by Map | 0 | - | 5.00 | 283,786 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,754 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,609 |
| Random Country to Capital | 0 | - | 4.98 | 912,530 |
| Capitals Starting With H | 0 | - | 4.90 | 91,372 |
| Capitals Starting With K | 0 | - | 4.85 | 75,763 |
| Capitals Starting With L | 0 | - | 4.81 | 86,932 |
| Capitals Starting With M | 0 | - | 4.93 | 106,226 |
| Capitals Starting With P | 0 | - | 4.88 | 77,268 |
| Capitals Starting With R | 0 | - | 4.87 | 81,052 |
| Capitals Starting With S | 0 | - | 4.89 | 84,896 |
| Capitals Starting With T | 0 | - | 4.84 | 75,368 |
| Capitals Starting With W | 0 | - | 4.89 | 90,683 |
| Capitals Starting With A | 0 | - | 4.97 | 126,666 |
| Capitals Starting With B | 0 | - | 4.89 | 117,392 |
| Capitals Starting With D | 0 | - | 4.93 | 95,488 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,111 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,030 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,801 |
| Former Capitals | 0 | - | 4.88 | 71,181 |
| Europe Capital to Country | 0 | - | 4.99 | 248,170 |
| Asia Capital to Country | 0 | - | 4.96 | 125,852 |
| Capital Cities Chain | 0 | - | 4.84 | 81,988 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,666 |
| European Capitals by Map | 0 | - | 4.99 | 136,748 |
| African Capitals by Map | 0 | - | 4.99 | 132,344 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,333 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,324 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,740 |
| European Coastal Capitals | 0 | - | 4.95 | 89,883 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,234 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,267 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,097 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,467 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,897 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,082 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,164 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,724 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,249 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,753 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,507 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,278 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,251 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,324 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,771 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,588 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,945 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,987 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,421 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,091 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,834 |
| Capitals of the Stans | 0 | - | 4.95 | 26,473 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,495 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,479 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,165 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,708 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 78,567 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,762 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,641 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,397 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,126 |
| World Capitals with a Unique First Letter | 0 | - | 4.77 | 63,295 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,732 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,738 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,967 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,961 |
| World's Biggest Financial Centers | 0 | - | 4.51 | 53,069 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,031 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,539 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,761 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,586 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,239 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,240 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,956 |
| Capitals Starting With N | 0 | - | 4.80 | 50,414 |
| Capitals Starting With V | 0 | - | 4.79 | 37,645 |
| Capitals Starting With C | 0 | - | 4.74 | 96,669 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,832 |
| North American Sports Cities | 0 | - | 4.83 | 171,028 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,953 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,103 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,824 |
| Name a City - European Countries | 0 | - | 4.92 | 64,562 |
| Name a Valid World City | 0 | - | 4.83 | 70,259 |
| Cities by Former Name | 0 | - | 4.84 | 91,053 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,043 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,658 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,028 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,449 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,467 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,828 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,378 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,641 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,325 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,685 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,965 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,935 |
| NATO Countries | 0 | - | 4.98 | 276,355 |
| EU Countries Quiz | 0 | - | 4.99 | 270,376 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,299 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,838 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,243 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,934 |
| Countries with NO Military | 0 | - | 4.97 | 61,257 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,974 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,368 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,156 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,829 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,342 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,531 |
| Capital City Etymologies | 0 | - | 4.77 | 63,048 |
| Busiest Container Ports | 0 | - | 4.11 | 37,303 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,171 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,105 |
| Southernmost Major Cities | 0 | - | 4.47 | 55,798 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,629 |
| U.S. College Towns | 0 | - | 4.47 | 29,115 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,037 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,345 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,460 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,287 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,320 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,028 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,393 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,371 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,012 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,780 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,627 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,397 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,813 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,224 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,386 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,035 |
| Buddhist Countries | 0 | - | 4.96 | 143,065 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,136 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,254 |
| World Currency Quiz | 0 | - | 4.92 | 299,008 |
| Official Cities in the UK | 0 | - | 4.89 | 280,941 |
| The Only Country ... | 0 | - | 4.91 | 80,030 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,168 |
| Orthodox Countries | 0 | - | 4.91 | 130,499 |
| Richest Island Countries | 0 | - | 4.84 | 99,625 |
| Battle to Country | 0 | - | 4.91 | 52,601 |
| Monarchies of Europe | 0 | - | 4.90 | 97,420 |
| Monarchies of Asia | 0 | - | 4.97 | 70,657 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,843 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,054 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,558 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,607 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,407 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 47,837 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,476 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,395 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,297 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,608 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,598 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,735 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,460 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,059 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,797 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,687 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,445 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,639 |
| Countries that Start with D | 0 | - | 4.96 | 702,446 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,582 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,964 |
| Countries that Start with H | 0 | - | 4.96 | 598,688 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,155 |
| Countries that Start with J | 0 | - | 4.98 | 596,741 |
| Countries that Start with K | 0 | - | 4.97 | 810,073 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,730 |
