| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,771 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,948 |
| Countries with Megacities | 0 | - | 4.99 | 258,100 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,822 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,946 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,104 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,954 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,972 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,635 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,536 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,359 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,657 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,250 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,347 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,910 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,637 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,099 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,356 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,867 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,492 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,189 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,679 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,961 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,139 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,815 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,709 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,086 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,061 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,394 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,151 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,427 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,064 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,764 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,882 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,409 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,487 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,999 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,608 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,764 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,335 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,022 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,119 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,298 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,564 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,901 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,471 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,310 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,412 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,492 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,705 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,438 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,867 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,058 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,851 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,725 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,342 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,179 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,425 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,651 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,751 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,205 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,345 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,815 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,518 |
| Olympic Host Countries | 0 | - | 4.98 | 200,335 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,591 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,814 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,879 |
| The Only European Country ... | 0 | - | 4.91 | 215,959 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,719 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,761 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,576 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,419 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,302 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,496 |
| Countries of Africa | 0 | - | 5.00 | 2,529,728 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,792 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,211 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,004 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,954 |
| Largest City by Island | 0 | - | 4.87 | 71,651 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,770 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,644 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,226 |
| Megacities on a World Map | 0 | - | 4.98 | 253,280 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,913 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,196 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,663 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,171 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,047 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,077 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,148 |
| Countries of the Middle East | 0 | - | 4.96 | 200,727 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,994 |
| Slavic Countries | 0 | - | 4.96 | 111,486 |
| African Island Countries | 0 | - | 4.96 | 101,412 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,787 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,374 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,445 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,643 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,268 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,148 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,840 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,414 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,516 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,507 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,082 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,960 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,378 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,988 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,964 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,797 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,065 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,968 |
| Boundary Waters | 0 | - | 4.92 | 88,368 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,068 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,891 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,141 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,318 |
| Most Populous Islands | 0 | - | 4.80 | 122,771 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,274 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,499 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,654 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,810 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,610 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,884 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,707 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,081 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,789 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,150 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,280 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,720 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,028 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,925 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,930 |
| Monarchies of Europe | 0 | - | 4.90 | 97,944 |
| Monarchies of Asia | 0 | - | 4.97 | 70,973 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,250 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,272 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,605 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,615 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,948 |
| Countries that Start with D | 0 | - | 4.96 | 707,455 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,650 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,308 |
| Countries that Start with H | 0 | - | 4.96 | 602,932 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,005 |
| Countries that Start with J | 0 | - | 4.98 | 600,785 |
| Countries that Start with K | 0 | - | 4.97 | 813,865 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,724 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,676 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,179 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,220 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,373 |
| Countries that Start with U | 0 | - | 4.97 | 903,269 |
| Countries that Start with V | 0 | - | 4.98 | 608,331 |
| Countries that Start with F | 0 | - | 4.83 | 616,193 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,452 |
| The Only African Country ... | 0 | - | 4.98 | 128,918 |
| The Only American Country ... | 0 | - | 4.92 | 121,392 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,631 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,660 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,241 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,766 |
| European Countries with One Border | 0 | - | 4.97 | 182,501 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,309 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,978 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,318,524 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,385 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,041 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,916 |
| Biggest City by Region | 0 | - | 4.50 | 36,117 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,049 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,387 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,850 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,487 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,148 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,320 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,160 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,924 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,358 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,039 |
| Landlocked Countries | 0 | - | 4.99 | 418,686 |
| UK Immigration by Country | 0 | - | 4.94 | 140,667 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,756 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,763 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,366 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,263 |
| Central American Countries | 0 | - | 4.98 | 155,878 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,312 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,702 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,998 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,432 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,278 |
