| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,456 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,696 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,836 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,580 |
| Countries with Megacities | 0 | - | 4.99 | 249,590 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,433 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,730 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,773 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,695 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,378 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,226 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,180 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,527 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,391 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,114 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,485 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,170 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,209 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,770 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,300 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,628 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,649 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,654 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,207 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,185 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,059 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,256 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,537 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,641 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,122 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,215 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,542 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,760 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,186 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,832 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,612 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,134 |
| Boundary Waters | 0 | - | 4.92 | 88,314 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,032 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,762 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,973 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,231 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,151 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,683 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,131 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,402 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,019 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,541 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,844 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,017 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,722 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,778 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,734 |
| Largest City by Island | 0 | - | 4.87 | 71,527 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,664 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,476 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,091 |
| Megacities on a World Map | 0 | - | 4.98 | 252,705 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,099 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,525 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,868 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,548 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,902 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,194 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,960 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,970 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,647 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,071 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,338 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,944 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,645 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,730 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,114 |
| Most Populous Islands | 0 | - | 4.80 | 122,689 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,260 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,480 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,725 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,065 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,238 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,092 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,154 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,721 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,482 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,089 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,908 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,545 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,545 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,349 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,795 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,079 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,800 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,658 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,450 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,236,421 |
| Landlocked Countries | 0 | - | 4.99 | 417,532 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 564,486 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,441 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,478 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,357 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,392 |
| Population Trivia | 0 | - | 4.32 | 27,461 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,237 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,302 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,019 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,879 |
| Biggest City by Region | 0 | - | 4.50 | 36,088 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,735 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,339 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,460 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,297 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,129 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,125 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,590 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,335 |
| World Capitals Quiz | 0 | - | 5.00 | 5,056,132 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,337 |
| Himalayan Countries | 0 | - | 4.95 | 136,860 |
| Andean Countries | 0 | - | 4.95 | 83,653 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,912 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,233 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,580 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,168 |
| Danube Countries | 0 | - | 4.97 | 71,515 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,346 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,931 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,375 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,416 |
| European Landlocked Countries | 0 | - | 4.99 | 146,231 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,934 |
| Countries with the Most Species | 0 | - | 4.99 | 102,565 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,055 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,371 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,545 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,218 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,880 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,262 |
| Countries in the Alps | 0 | - | 4.86 | 117,477 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,996 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,099 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,329 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,835 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,934 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,351 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,110 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,069 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,880 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,422 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,415 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,260 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,821 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,082 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,093 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,922 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,962 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,491 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,349 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,579 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,860 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,895 |
| Largest Countries By Category | 0 | - | 4.97 | 157,415 |
| Countries by Countries | 0 | - | 4.96 | 62,706 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,001 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,117 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,437 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,065 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,509 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,184 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,737 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,234 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,697 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,116 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,358 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,766 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,972 |
| Longest International Borders | 0 | - | 4.99 | 264,464 |
| Countries with Three Borders | 0 | - | 4.96 | 36,392 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,836 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,934 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,974 |
| Demonym of Every Country | 0 | - | 4.91 | 59,020 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,265 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,609 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,279 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,923 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,581 |
| Biggest Cities in History | 0 | - | 4.52 | 89,910 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,246 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,862 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,922 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,924 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,316 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,109 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,420 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,271 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,942 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,343 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,235 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,985 |
