| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,249 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,501 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,575 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,185 |
| Countries with Megacities | 0 | - | 4.99 | 248,761 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,044 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,500 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,416 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,444 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,450 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,725 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,652 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,397 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,252 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,835 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,288 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,058 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,063 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,607 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,112 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,330 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,176 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,393 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,592 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,975 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,909 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,062 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,393 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,481 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,007 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,049 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,212 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,171 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,726 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,159 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,226 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,435 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,737 |
| Boundary Waters | 0 | - | 4.92 | 88,207 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,946 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,622 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,768 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,092 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,003 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,148 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,743 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,317 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,810 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,315 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,693 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,875 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,590 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,421 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,256 |
| Largest City by Island | 0 | - | 4.87 | 71,367 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,576 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,919 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,919 |
| Megacities on a World Map | 0 | - | 4.98 | 252,225 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,007 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,326 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,500 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 121,159 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,424 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,675 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,933 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,640 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,511 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,869 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,744 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,002 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,510 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,475 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,537 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,253 |
| Most Populous Islands | 0 | - | 4.79 | 122,180 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,232 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,446 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,691 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,995 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,132 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,663 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,560 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,411 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,316 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,000 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,765 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,419 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,382 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,084 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,712 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,421 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,191 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,545 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,880 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,138,559 |
| Landlocked Countries | 0 | - | 4.99 | 416,344 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,014 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,348 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,310 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,299 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,200 |
| Population Trivia | 0 | - | 4.32 | 27,450 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,147 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,181 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,978 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,829 |
| Biggest City by Region | 0 | - | 4.50 | 36,057 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,989 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,678 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,267 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,171 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,080 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,097 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,276 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,063 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,332 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,314 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,315 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,436 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,782 |
| Himalayan Countries | 0 | - | 4.95 | 136,375 |
| Andean Countries | 0 | - | 4.95 | 83,412 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,677 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,902 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,368 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,968 |
| Danube Countries | 0 | - | 4.97 | 71,366 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,157 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,821 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,092 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,043 |
| European Landlocked Countries | 0 | - | 4.99 | 146,097 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,708 |
| Countries with the Most Species | 0 | - | 4.99 | 100,488 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,853 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,314 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,490 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,133 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,789 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,159 |
| Countries in the Alps | 0 | - | 4.86 | 117,292 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,873 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,818 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,233 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,710 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,775 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,223 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,950 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,972 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,773 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,309 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,340 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,190 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,698 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,969 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,979 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,648 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,869 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,405 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,200 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,819 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,488 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,794 |
| Largest Countries By Category | 0 | - | 4.97 | 157,213 |
| Countries by Countries | 0 | - | 4.96 | 62,565 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,835 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,069 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,404 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,616 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,367 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,056 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,333 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,000 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,613 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,885 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,318 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,596 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,147 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,829 |
| Longest International Borders | 0 | - | 4.99 | 264,254 |
| Countries with Three Borders | 0 | - | 4.96 | 36,334 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,766 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,852 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,943 |
| Demonym of Every Country | 0 | - | 4.91 | 58,888 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,243 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,544 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,209 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,755 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,520 |
| Biggest Cities in History | 0 | - | 4.52 | 89,342 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,207 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,678 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,763 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,737 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,273 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,996 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,215 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,028 |
