| Most Populous Countries by Year | 0 | - | 4.83 | 111,516 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,951 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,568 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,240 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,546 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,890 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,808 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,015 |
| Former Capitals | 0 | - | 4.88 | 71,704 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,603 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,033 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,927 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,300 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,735 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,007 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,343 |
| Countries with Megacities | 0 | - | 4.99 | 267,496 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,999 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,240 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,332 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,341 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,411 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,463 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,025 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,275 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,334 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,251 |
| Countries by Capital City | 0 | - | 5.00 | 69,516 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,968 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,285 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,884 |
| Moved Capital Cities | 0 | - | 4.96 | 74,693 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,837 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,009 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,653 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,084 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,735 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,143 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,127 |
| Random European Capital to Country | 0 | - | 4.98 | 192,247 |
| Random European Country to Capital | 0 | - | 4.93 | 165,987 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,052 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,513 |
| Random African Capital to Country | 0 | - | 4.97 | 101,402 |
| Random African Country to Capital | 0 | - | 4.95 | 71,803 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,065 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,765 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,516 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,405 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,370 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,739 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,948 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,300 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,679 |
| North American Sports Cities | 0 | - | 4.82 | 173,214 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,584 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,995 |
| Name a City - European Countries | 0 | - | 4.89 | 66,269 |
| Cities by Former Name | 0 | - | 4.83 | 92,121 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,514 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,393 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,957 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,011 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,907 |
| World Capitals by Map | 0 | - | 5.00 | 289,700 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,871 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,824 |
| Random Country to Capital | 0 | - | 4.98 | 929,158 |
| Capitals Starting With H | 0 | - | 4.91 | 93,388 |
| Capitals Starting With K | 0 | - | 4.88 | 84,464 |
| Capitals Starting With M | 0 | - | 4.94 | 109,278 |
| Capitals Starting With P | 0 | - | 4.88 | 79,068 |
| Capitals Starting With R | 0 | - | 4.88 | 82,557 |
| Capitals Starting With S | 0 | - | 4.90 | 86,642 |
| Capitals Starting With T | 0 | - | 4.86 | 76,892 |
| Capitals Starting With W | 0 | - | 4.87 | 91,771 |
| Capitals Starting With A | 0 | - | 4.97 | 129,193 |
| Capitals Starting With B | 0 | - | 4.89 | 119,582 |
| Capitals Starting With D | 0 | - | 4.94 | 97,270 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,002 |
| Olympic Host Countries | 0 | - | 4.98 | 202,088 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,111 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,317 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,430 |
| The Only European Country ... | 0 | - | 4.91 | 219,295 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,132 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,670 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,959 |
| Countries of Africa | 0 | - | 5.00 | 2,562,223 |
| Cities in European History #1 | 0 | - | 4.63 | 134,675 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,490 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,292 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,873 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,029 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,577 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,531 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,879 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,358 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,944 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,460 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,757 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,822 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,974 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,225 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,463 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,198 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,918 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,327 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,760 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,121 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,233 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,804 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,575 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,992 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,621 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,185 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,741 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,631 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,894 |
| Europe Capital to Country | 0 | - | 4.99 | 252,313 |
| Asia Capital to Country | 0 | - | 4.96 | 127,625 |
| Capital Cities Chain | 0 | - | 4.84 | 83,452 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,121 |
| European Capitals by Map | 0 | - | 4.99 | 142,309 |
| African Capitals by Map | 0 | - | 4.99 | 142,389 |
| Coldest World Capitals | 0 | - | 4.95 | 134,196 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,017 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,994 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,272 |
| European Coastal Capitals | 0 | - | 4.95 | 91,398 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,235 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,983 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,997 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,203 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,208 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,637 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,430 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,024 |
| Countries of the Middle East | 0 | - | 4.96 | 203,090 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,271 |
| Slavic Countries | 0 | - | 4.96 | 112,440 |
| African Island Countries | 0 | - | 4.96 | 102,633 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,207 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,472 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,363 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,741 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,023 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,397 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,909 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,387 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,802 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,245 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,934 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,664 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,636 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,040 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,913 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,222 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,947 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,532 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,001 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,237 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 45,235 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,561 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,395 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,435 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,743 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,290 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,112 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,991 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,000 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,932 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,033 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,520 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,844 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,054 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,750 |
| Ancient City to Country | 0 | - | 4.72 | 108,379 |
| Official Cities in the UK | 0 | - | 4.89 | 286,559 |
| City-States | 0 | - | 4.53 | 37,425 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,519 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,838 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,410 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,183 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,334 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,598 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,883 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,126 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,287 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,466 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,300 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,649 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,211 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,442 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,885 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,396 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,161 |
