| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,640 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,019 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,078 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,207 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,676 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,276 |
| Countries with Megacities | 0 | - | 4.99 | 246,995 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,157 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,000 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,579 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,897 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,510 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,301 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,408 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,125 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,849 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,948 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,896 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,619 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,283 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,664 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,702 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,970 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,880 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,076 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,502 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,539 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,671 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,594 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,063 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,178 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,760 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,697 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,796 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,816 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,784 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,122 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,256 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,656 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,092 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,157 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,355 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,954 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,417 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,606 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,502 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,864 |
| Largest City by Island | 0 | - | 4.87 | 71,056 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,396 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,558 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,695 |
| Megacities on a World Map | 0 | - | 4.98 | 251,004 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,325 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,807 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,878 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,787 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,484 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,496 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,057 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,107 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,381 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,205 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,122 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,325 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,164 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,491 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,310 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,291 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,623 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,581 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,821 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,228 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,135 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,124 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,992 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,025 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,875 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,003 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,412 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,152 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,052 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,363 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,572 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,089 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,519 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,303 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,609 |
| Most Populous Islands | 0 | - | 4.79 | 121,999 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,618 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,851 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,940 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,384 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,959 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,541 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,124 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,500 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,606 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,809 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,296 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 103,267 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,922 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,907 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,710 |
| Biggest City by Region | 0 | - | 4.50 | 35,997 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,295 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,460 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,308 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,021 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,923 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,743 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,801 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,513 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,543 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,260 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,925,634 |
| Landlocked Countries | 0 | - | 4.99 | 413,689 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,163 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,009 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,138 |
| Population Trivia | 0 | - | 4.32 | 27,425 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,484 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,405 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,212 |
| Biggest Cities in History | 0 | - | 4.52 | 89,135 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,122 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,656 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,271 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,188 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,837 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,199 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,318 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,331 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,946 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,041 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,069 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,519 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,974 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,607 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,920 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,192 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,000 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,080 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,618 |
| Himalayan Countries | 0 | - | 4.95 | 135,384 |
| Andean Countries | 0 | - | 4.94 | 82,835 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,224 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,226 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,913 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,618 |
| Danube Countries | 0 | - | 4.97 | 71,089 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,541 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,411 |
| European Landlocked Countries | 0 | - | 4.99 | 145,760 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,221 |
| Countries with the Most Species | 0 | - | 4.99 | 95,244 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,356 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,832 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,576 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,427 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,174 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,585 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,316 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,067 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,455 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,079 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,652 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,329 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,691 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,607 |
| Largest Countries By Category | 0 | - | 4.97 | 156,769 |
| Countries by Countries | 0 | - | 4.96 | 62,263 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,396 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
