| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,055 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,297 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,429 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,598 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,832 |
| Countries with Megacities | 0 | - | 4.99 | 248,032 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,703 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,303 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,086 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,259 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,499 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,263 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,304 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,275 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,127 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,447 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,127 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,608 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,906 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,485 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,955 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,087 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,675 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,187 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,998 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,810 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,752 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,851 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,264 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,352 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,882 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,906 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,864 |
| Countries by Three Words #2 | 0 | - | 4.97 | 199,472 |
| Countries by Three Words #1 | 0 | - | 4.95 | 262,997 |
| European Countries by Clue | 0 | - | 4.92 | 182,613 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,394 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,554 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,199 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,321 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,698 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,129 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,645 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,534 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,250 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,616 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,165 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,593 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,763 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,023 |
| Biggest Cities by Language | 0 | - | 4.96 | 243,791 |
| Largest City by Island | 0 | - | 4.87 | 71,220 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,508 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,771 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,674 |
| Megacities on a World Map | 0 | - | 4.98 | 251,660 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,382 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,930 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,106 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,176 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,311 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,417 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,720 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,503 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,416 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,775 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,681 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,932 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,383 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,325 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,356 |
| Boundary Waters | 0 | - | 4.92 | 88,123 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,893 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,470 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,556 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,982 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,886 |
| Most Populous Islands | 0 | - | 4.79 | 122,084 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,221 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,430 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,356 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,297 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,147 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,150 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,660 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,916 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,607 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,932 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,285 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,048 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,235 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,829 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,653 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,816 |
| Megacities on an Empty Map | 0 | - | 4.97 | 113,126 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,447 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,762 |
| The Only American Country ... | 0 | - | 4.92 | 120,947 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,455 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,777 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,905 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,289 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,255 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,033,900 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,711 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,066 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,064 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,945 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,784 |
| Biggest City by Region | 0 | - | 4.50 | 36,032 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,953 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,621 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,205 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,879 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,863 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,062 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,250 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,989 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,115 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,287 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,110 |
| Landlocked Countries | 0 | - | 4.99 | 415,073 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 557,090 |
| Countries by Three Words #3 | 0 | - | 4.80 | 127,112 |
| Countries by Three Words #4 | 0 | - | 4.43 | 90,130 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,346 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,673 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,492 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,720 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 86,667 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,629 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,656 |
| Countries by a Single Clue #11 | 0 | - | 4.58 | 76,294 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,736 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,093 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,746 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,269 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,176 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,220 |
| Population Trivia | 0 | - | 4.32 | 27,437 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,506 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,612 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,560 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,873 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,012 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,784 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,680 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,219 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,180 |
| Himalayan Countries | 0 | - | 4.95 | 135,877 |
| Andean Countries | 0 | - | 4.94 | 83,114 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,443 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,554 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,147 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,799 |
| Danube Countries | 0 | - | 4.97 | 71,240 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,958 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,679 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,801 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,724 |
| European Landlocked Countries | 0 | - | 4.99 | 145,941 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,466 |
| Countries with the Most Species | 0 | - | 4.99 | 95,325 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,604 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,255 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,429 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,045 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,699 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,056 |
| Countries in the Alps | 0 | - | 4.86 | 117,076 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,727 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,537 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,139 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,559 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,341 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,123 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,759 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,877 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,661 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,188 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,259 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,126 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,594 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,856 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,870 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,400 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,773 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,340 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,984 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,111 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,112 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,709 |
| Largest Countries By Category | 0 | - | 4.97 | 156,983 |
| Countries by Countries | 0 | - | 4.96 | 62,413 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,616 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,012 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,374 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,207 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,252 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,915 |
