| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,331 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,144 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,754 |
| Countries with Megacities | 0 | - | 4.99 | 264,231 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,613 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,399 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,877 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,460 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,316 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,772 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,198 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,896 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,283 |
| Boundary Waters | 0 | - | 4.92 | 88,523 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,220 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,209 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,617 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,546 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,515 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,995 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,840 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,071 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,054 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,508 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,671 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,174 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,179 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,883 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,620 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,606 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,495 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,026 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,693 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,156 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,053 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,215 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,742 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,810 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,832 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,369 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,104 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,553 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,233 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,796 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,672 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,621 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,061 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,269 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,434 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,947 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,932 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,822 |
| Largest City by Island | 0 | - | 4.87 | 71,993 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,107 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,116 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,678 |
| Megacities on a World Map | 0 | - | 4.98 | 255,069 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,453 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,092 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,995 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,917 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,579 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,139 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,426 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,859 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,305 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,606 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,360 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,101 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,268 |
| Most Populous Islands | 0 | - | 4.80 | 122,995 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,316 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,553 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,861 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,276 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,973 |
| Landlocked Countries | 0 | - | 4.99 | 421,464 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,286 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,491 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,541,401 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,682 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,971 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,181 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,087 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,549 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,261 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,519 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,438 |
| Population Trivia | 0 | - | 4.32 | 27,505 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,076 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,434 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,231 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,170 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,598 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,127 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,865 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,194 |
| Himalayan Countries | 0 | - | 4.95 | 138,481 |
| Andean Countries | 0 | - | 4.93 | 84,476 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,666 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,646 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,297 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,699 |
| Danube Countries | 0 | - | 4.97 | 71,945 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,939 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,363 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,190 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,652 |
| European Landlocked Countries | 0 | - | 4.99 | 147,070 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,534 |
| Countries with the Most Species | 0 | - | 4.99 | 103,180 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,678 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,554 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,696 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,503 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,181 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,601 |
| Countries in the Alps | 0 | - | 4.87 | 118,122 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,729 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,939 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,607 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,547 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,432 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,905 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,602 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,446 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,147 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,795 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,619 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,484 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,171 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,422 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,470 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,766 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,260 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,589 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,980 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,671 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,943 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,176 |
| Largest Countries By Category | 0 | - | 4.97 | 158,115 |
| Countries by Countries | 0 | - | 4.96 | 63,138 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,614 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,260 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,549 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,432 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,936 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,622 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,669 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,836 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,461 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,473 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,860 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,261 |
| Longest International Borders | 0 | - | 4.99 | 265,114 |
| Countries with Three Borders | 0 | - | 4.96 | 36,579 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,087 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,188 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,055 |
| Demonym of Every Country | 0 | - | 4.91 | 60,535 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,561 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,353 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,289 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,774,969 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,325 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,814 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,476 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,791 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,686 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,545 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,025 |
| Biggest City by Region | 0 | - | 4.50 | 36,263 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,177 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,214 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,369 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,333 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,442 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,536 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,970 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,596 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,647 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,992 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,578 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,677 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,217 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,363 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,900 |
| Island Countries | 0 | - | 4.99 | 710,853 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,181 |
| Northernmost Countries | 0 | - | 4.99 | 361,733 |
| Countries of South America | 0 | - | 5.00 | 926,587 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,941 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,611 |
| "Land" Countries | 0 | - | 4.98 | 337,166 |
| Top World Languages | 0 | - | 4.92 | 823,555 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,438 |
| Globe Grid | 0 | - | 4.32 | 32,005 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,903 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,495 |
