| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,488 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,503 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,481 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,000 |
| Countries with Megacities | 0 | - | 4.99 | 246,535 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,920 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,800 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,372 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,760 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,602 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,016 |
| Name a Valid African Country | 0 | - | 4.98 | 152,899 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,171 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,829 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,827 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,443 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,543 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,208 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,934 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,418 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,936 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,153 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,114 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,263 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,861 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,541 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,256 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,405 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,241 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,221 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,567 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,166 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,072 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,040 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,667 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,447 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,035 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,555 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,850 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,927 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,793 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,957 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,807 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,907 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,116 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,911 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,556 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,315 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,308 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,627 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,607 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,422 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,090 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,673 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,061 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,836 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,932 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,519 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,099 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,469 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,492 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,626 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,998 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,508 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,428 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,887 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,079 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,111 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,600 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,591 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,784 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,802 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,917 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,447 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,485 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,485 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,531 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,023 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,130 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,717 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,639 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,484 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,151 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,691 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,461 |
| Random Country to Capital | 0 | - | 4.98 | 911,282 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,894 |
| Olympic Host Countries | 0 | - | 4.98 | 198,837 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,469 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,244 |
| The Only European Country ... | 0 | - | 4.91 | 213,709 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,038 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,180 |
| Countries of Africa | 0 | - | 5.00 | 2,506,579 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,508 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,859 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,708 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,649 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,082 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,366 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,802 |
| Largest City by Island | 0 | - | 4.87 | 71,009 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,356 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,499 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,443 |
| Megacities on a World Map | 0 | - | 4.98 | 250,826 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,033 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,771 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,831 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,646 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,109 |
| Capital Cities Chain | 0 | - | 4.84 | 81,886 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,796 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,956 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,229 |
| Countries of the Middle East | 0 | - | 4.96 | 198,836 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,215 |
| Slavic Countries | 0 | - | 4.96 | 110,819 |
| Countries by Emojis | 0 | - | 4.99 | 236,049 |
| African Island Countries | 0 | - | 4.96 | 100,743 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,080 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,284 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,950 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,248 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,741 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,572 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,671 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,730 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,137 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,539 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,218 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,477 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,969 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,242 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,548 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,885 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,468 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,272 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,079 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,241 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,153 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,320 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,813 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,338 |
| Monarchies of Europe | 0 | - | 4.90 | 97,280 |
| Monarchies of Asia | 0 | - | 4.97 | 70,580 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,807 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,420 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,576 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,742 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,054 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,206 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,782 |
| Countries that Start with D | 0 | - | 4.96 | 701,166 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,080 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,309 |
| Countries that Start with H | 0 | - | 4.96 | 597,631 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,923 |
| Countries that Start with J | 0 | - | 4.98 | 595,695 |
| Countries that Start with K | 0 | - | 4.97 | 809,126 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,547 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,411 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,246 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,075 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,968 |
| Countries that Start with U | 0 | - | 4.97 | 899,735 |
| Countries that Start with V | 0 | - | 4.98 | 604,904 |
| Countries that Start with F | 0 | - | 4.83 | 611,938 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,961 |
| The Only African Country ... | 0 | - | 4.99 | 128,328 |
| The Only American Country ... | 0 | - | 4.92 | 120,719 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,764 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,232 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,017 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,318 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,991 |
| European Countries with One Border | 0 | - | 4.97 | 181,570 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,477 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,068 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Most Populous Islands | 0 | - | 4.79 | 121,955 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,618 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,271 |
