| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,667 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,101 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,294 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,456 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,504 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,304 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,796 |
| Countries with Megacities | 0 | - | 4.99 | 264,368 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,660 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,421 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,925 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,489 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,652 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,845 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,831 |
| European Countries with One Border | 0 | - | 4.97 | 183,040 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,812 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,869 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,115 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,092 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,527 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,695 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,194 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,959 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,307 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,818 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,958 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,174 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,454 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,284 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,877 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,317 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,620 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,382 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,133 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,292 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,987 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,363 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,368 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,059 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,732 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,228 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,142 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,574 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,298 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,551 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,471 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,884 |
| Random Countries by Borders | 0 | - | 4.99 | 82,587 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,864 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,291 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,550 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,184 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,621 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,132 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,070 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,228 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,451 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,833,524 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,777 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,570 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,809 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,374 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,591 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,488 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,591 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,608 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,664 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,932 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,822 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 130,422 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,608 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,806 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,454 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,023 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,219 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,948 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,703 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,650 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,599 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,065 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,716 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,503 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,188 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,096 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,240 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,770 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,842 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,971 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,409 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,632 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,419 |
| Olympic Host Countries | 0 | - | 4.98 | 201,036 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,035 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,580 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,427 |
| The Only European Country ... | 0 | - | 4.91 | 217,216 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,671 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,459 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,718 |
| Countries of Africa | 0 | - | 5.00 | 2,542,826 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,901 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,287 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,996 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,887 |
| Largest City by Island | 0 | - | 4.87 | 72,016 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,121 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,138 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,701 |
| Megacities on a World Map | 0 | - | 4.98 | 255,167 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,122 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,473 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,122 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,062 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,634 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,251 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,192 |
| Countries of the Middle East | 0 | - | 4.96 | 201,545 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,492 |
| Slavic Countries | 0 | - | 4.96 | 111,824 |
| African Island Countries | 0 | - | 4.96 | 101,807 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,940 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,533 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,324 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,122 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,146 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,716 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,750 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,737 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,549 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,245 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,849 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,943 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,689 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,348 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,369 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,744 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,412 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,321 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,174 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,397 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,984 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,292 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,511 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,694 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,400 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,109 |
| Most Populous Islands | 0 | - | 4.80 | 123,010 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,321 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,559 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,104 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,468 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,270 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,188 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,990 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,477 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,644 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,146 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,291 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,034 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,485 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,238 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,178 |
| Monarchies of Europe | 0 | - | 4.90 | 98,288 |
| Monarchies of Asia | 0 | - | 4.97 | 71,178 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,468 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,979 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,321 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,627 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,122 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,288 |
| Countries that Start with D | 0 | - | 4.96 | 711,231 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,015 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,295 |
| Countries that Start with H | 0 | - | 4.96 | 605,878 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,765 |
| Countries that Start with J | 0 | - | 4.98 | 603,505 |
| Countries that Start with K | 0 | - | 4.97 | 816,997 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,126 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,150 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,573 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,856 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,931 |
| Countries that Start with U | 0 | - | 4.97 | 905,390 |
| Countries that Start with V | 0 | - | 4.98 | 609,946 |
| Countries that Start with F | 0 | - | 4.83 | 618,478 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,278 |
| The Only African Country ... | 0 | - | 4.99 | 129,245 |
| The Only American Country ... | 0 | - | 4.92 | 121,770 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,180 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,135 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,441 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,037 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,671 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,855 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,004 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,768 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,185 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,341 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,574 |
