| Countries of Africa | 0 | - | 5.00 | 2,567,322 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,566 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,283 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,230 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,604,030 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,856 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,274 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,725 |
| Countries with Megacities | 0 | - | 4.99 | 268,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,350 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,448 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,699 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,558 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,661 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,694 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,174 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,454 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,616 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,562 |
| Countries by Capital City | 0 | - | 5.00 | 69,796 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,270 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,445 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,054 |
| Moved Capital Cities | 0 | - | 4.96 | 74,780 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,941 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,185 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,291 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,740 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,203 |
| Random European Capital to Country | 0 | - | 4.98 | 192,475 |
| Random European Country to Capital | 0 | - | 4.93 | 166,150 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,162 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,641 |
| Random African Capital to Country | 0 | - | 4.97 | 101,561 |
| Random African Country to Capital | 0 | - | 4.94 | 71,945 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,801 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,652 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,531 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,664 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,917 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,288 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,451 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,788 |
| North American Sports Cities | 0 | - | 4.82 | 173,374 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,622 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,131 |
| Name a City - European Countries | 0 | - | 4.89 | 66,492 |
| Cities by Former Name | 0 | - | 4.83 | 92,233 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,690 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,615 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,014 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,078 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,041 |
| World Capitals by Map | 0 | - | 5.00 | 290,312 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 59,000 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,734 |
| Random Country to Capital | 0 | - | 4.98 | 931,202 |
| Capitals Starting With H | 0 | - | 4.91 | 93,516 |
| Capitals Starting With K | 0 | - | 4.89 | 84,576 |
| Capitals Starting With L | 0 | - | 4.81 | 96,184 |
| Capitals Starting With M | 0 | - | 4.94 | 109,483 |
| Capitals Starting With P | 0 | - | 4.88 | 79,198 |
| Capitals Starting With R | 0 | - | 4.89 | 82,659 |
| Capitals Starting With S | 0 | - | 4.90 | 86,759 |
| Capitals Starting With T | 0 | - | 4.86 | 77,005 |
| Capitals Starting With W | 0 | - | 4.87 | 91,835 |
| Capitals Starting With A | 0 | - | 4.97 | 129,380 |
| Capitals Starting With B | 0 | - | 4.89 | 119,741 |
| Capitals Starting With D | 0 | - | 4.94 | 97,374 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,434 |
| Olympic Host Countries | 0 | - | 4.98 | 202,424 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,343 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,657 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,997 |
| The Only European Country ... | 0 | - | 4.91 | 219,865 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,561 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,973 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,017 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,905 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,774 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,010 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,672 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,948 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,969 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,130 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,304 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,154 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,094 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,656 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,345 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,600 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,969 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,937 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,351 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,831 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,175 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,249 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,853 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,784 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,148 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,978 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,468 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,907 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,762 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,044 |
| Former Capitals | 0 | - | 4.88 | 71,754 |
| Europe Capital to Country | 0 | - | 4.99 | 252,775 |
| Asia Capital to Country | 0 | - | 4.96 | 127,775 |
| Capital Cities Chain | 0 | - | 4.84 | 83,613 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,425 |
| European Capitals by Map | 0 | - | 4.99 | 142,781 |
| African Capitals by Map | 0 | - | 4.99 | 142,763 |
| Coldest World Capitals | 0 | - | 4.95 | 134,383 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,200 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,218 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,471 |
| European Coastal Capitals | 0 | - | 4.95 | 91,580 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,309 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,578 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,937 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,275 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,314 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,805 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,918 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,521 |
| Countries of the Middle East | 0 | - | 4.96 | 203,429 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,472 |
| Slavic Countries | 0 | - | 4.96 | 112,591 |
| African Island Countries | 0 | - | 4.96 | 102,827 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,278 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,881 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,980 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,916 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,505 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,131 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,584 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,096 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,481 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,300 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,878 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,815 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,115 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,047 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,619 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,144 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,799 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,132 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,390 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,980 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,092 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,606 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,454 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,178 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,047 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,022 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,219 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,572 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,965 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,441 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,878 |
| Ancient City to Country | 0 | - | 4.72 | 108,431 |
| Official Cities in the UK | 0 | - | 4.89 | 287,172 |
| City-States | 0 | - | 4.53 | 37,447 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,575 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,872 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,536 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,318 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,370 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,608 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,981 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,303 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,269 |
| South America Capitals Quiz | 0 | - | 5.00 | 486,028 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,925 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,420 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,776 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,428 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,551 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,923 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,637 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,311 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,872 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,707 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,723 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,607 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,124 |
| Flags to Capitals #1 | 0 | - | 4.96 | 63,304 |
| Flags to Capitals #2 | 0 | - | 4.95 | 45,211 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,763 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,347 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,877 |
| The Only Country ... | 0 | - | 4.91 | 82,155 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,643 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,384 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,842 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,668 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,312 |
| Monarchies of Europe | 0 | - | 4.90 | 99,113 |
| Monarchies of Asia | 0 | - | 4.97 | 71,657 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,807 |
