| Most Populous Countries by Year | 0 | - | 4.83 | 111,520 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,952 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,569 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,241 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,547 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,891 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,810 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,132 |
| Former Capitals | 0 | - | 4.88 | 71,705 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,609 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,052 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,965 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,303 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,735 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,016 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,349 |
| Countries with Megacities | 0 | - | 4.99 | 267,510 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,006 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,244 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,337 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,344 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,417 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,465 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,031 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,278 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,335 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,257 |
| Countries by Capital City | 0 | - | 5.00 | 69,518 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,976 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,289 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,885 |
| Moved Capital Cities | 0 | - | 4.96 | 74,694 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,837 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,011 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,655 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,117 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,740 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,163 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,130 |
| Random European Capital to Country | 0 | - | 4.98 | 192,250 |
| Random European Country to Capital | 0 | - | 4.93 | 165,988 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,053 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,514 |
| Random African Capital to Country | 0 | - | 4.97 | 101,414 |
| Random African Country to Capital | 0 | - | 4.95 | 71,803 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,066 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,767 |
| 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 | 87,407 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,375 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,740 |
| 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 | 59,681 |
| North American Sports Cities | 0 | - | 4.82 | 173,218 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,585 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,995 |
| Name a City - European Countries | 0 | - | 4.89 | 66,274 |
| Cities by Former Name | 0 | - | 4.83 | 92,127 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,529 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,409 |
| 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 | 289,703 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,871 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,866 |
| Random Country to Capital | 0 | - | 4.98 | 929,196 |
| Capitals Starting With H | 0 | - | 4.91 | 93,388 |
| Capitals Starting With K | 0 | - | 4.88 | 84,467 |
| Capitals Starting With M | 0 | - | 4.94 | 109,281 |
| 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 | 86,643 |
| Capitals Starting With T | 0 | - | 4.86 | 76,893 |
| Capitals Starting With W | 0 | - | 4.87 | 91,771 |
| Capitals Starting With A | 0 | - | 4.97 | 129,196 |
| Capitals Starting With B | 0 | - | 4.89 | 119,585 |
| Capitals Starting With D | 0 | - | 4.94 | 97,270 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,012 |
| Olympic Host Countries | 0 | - | 4.98 | 202,093 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,114 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,320 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,455 |
| The Only European Country ... | 0 | - | 4.91 | 219,304 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,140 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,677 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,960 |
| Countries of Africa | 0 | - | 5.00 | 2,562,305 |
| Cities in European History #1 | 0 | - | 4.63 | 134,680 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,495 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,294 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,877 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,030 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,577 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,534 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,881 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,366 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,945 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,463 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,760 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,824 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,977 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,226 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,463 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,201 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,919 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,328 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,761 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,125 |
| 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 | 111,581 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,996 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,629 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,192 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,742 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,633 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,896 |
| Europe Capital to Country | 0 | - | 4.99 | 252,317 |
| Asia Capital to Country | 0 | - | 4.96 | 127,626 |
| Capital Cities Chain | 0 | - | 4.84 | 83,456 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,127 |
| European Capitals by Map | 0 | - | 4.99 | 142,317 |
| African Capitals by Map | 0 | - | 4.99 | 142,402 |
| Coldest World Capitals | 0 | - | 4.95 | 134,198 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,019 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,998 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,277 |
| European Coastal Capitals | 0 | - | 4.95 | 91,404 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,235 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,991 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,007 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,205 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,211 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,642 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,469 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,028 |
| Countries of the Middle East | 0 | - | 4.96 | 203,098 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,272 |
| Slavic Countries | 0 | - | 4.96 | 112,441 |
| African Island Countries | 0 | - | 4.96 | 102,640 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,208 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,475 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,370 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,744 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,028 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,416 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,914 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,389 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,807 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,253 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,941 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,669 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,640 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,042 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,917 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,244 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,950 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,535 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,004 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,238 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 45,362 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,562 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,397 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,440 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,752 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,295 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,120 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,992 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,001 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,934 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,034 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,523 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,846 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,055 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,754 |
| Ancient City to Country | 0 | - | 4.72 | 108,380 |
| Official Cities in the UK | 0 | - | 4.89 | 286,574 |
| 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 | 49,412 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,186 |
| 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 | 51,884 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,132 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,293 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,477 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,301 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,654 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,215 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,443 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,885 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,403 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,164 |
