| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,428 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,437 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,639 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,920 |
| Countries with Megacities | 0 | - | 4.99 | 264,606 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,754 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,481 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,016 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,553 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,319 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,000 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,926 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,065 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,947 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,207 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,160 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,567 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,742 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,228 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,276 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,013 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,872 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,732 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,808 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,123 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,757 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,253 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,164 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,277 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,824 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,904 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,104 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,696 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,301 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,734 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,052 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,763 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,256 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,280 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,733 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,620 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,587 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,450 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,876 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,702 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,732 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,156 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,336 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,497 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,988 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,057 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,968 |
| Largest City by Island | 0 | - | 4.87 | 72,063 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,163 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,197 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,764 |
| Megacities on a World Map | 0 | - | 4.98 | 255,335 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,513 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,185 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,219 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,990 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,977 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,703 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,236 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,511 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,301 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,914 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,340 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,643 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,413 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,194 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,357 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,406 |
| Most Populous Islands | 0 | - | 4.80 | 123,048 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,325 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,569 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,876 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,319 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,523 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,327 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,237 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,655 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,342 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,576 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,525 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,155 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,537 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,352 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,216 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,733 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,707 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,181 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,910 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,590,393 |
| Landlocked Countries | 0 | - | 4.99 | 422,077 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,103 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,713 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,030 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,587 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,847 |
| Population Trivia | 0 | - | 4.32 | 27,518 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,585 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,746 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,565 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,045 |
| Biggest City by Region | 0 | - | 4.50 | 36,283 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,193 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,000 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,820 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,092 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,225 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,380 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,361 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,696 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,815 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,067 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,738 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,513 |
| Himalayan Countries | 0 | - | 4.94 | 138,776 |
| Andean Countries | 0 | - | 4.93 | 84,638 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,833 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,865 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,458 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,825 |
| Danube Countries | 0 | - | 4.97 | 72,025 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,024 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,433 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,812 |
| European Landlocked Countries | 0 | - | 4.99 | 147,151 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,665 |
| Countries with the Most Species | 0 | - | 4.99 | 103,249 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,782 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,548 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,240 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,672 |
| Countries in the Alps | 0 | - | 4.87 | 118,223 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,171 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,051 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,662 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,600 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,526 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,954 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,502 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,184 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,662 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,238 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,483 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,536 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,927 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,316 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,918 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,094 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,987 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,150 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,238 |
| Largest Countries By Category | 0 | - | 4.97 | 158,232 |
| Countries by Countries | 0 | - | 4.96 | 63,238 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,700 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,293 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,639 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,033 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,682 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,506 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,721 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,860 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,509 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,500 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,921 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,020 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,298 |
| Longest International Borders | 0 | - | 4.99 | 265,210 |
| Countries with Three Borders | 0 | - | 4.96 | 36,620 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,131 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,231 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,077 |
| Demonym of Every Country | 0 | - | 4.91 | 60,726 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,336 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,837 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,504 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,784 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,219 |
| Biggest Cities in History | 0 | - | 4.52 | 90,299 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,123 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,548 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,553 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,739 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,485 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,058 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,039 |
