| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,939 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,167 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,172 |
| Island Countries | 0 | - | 4.99 | 710,326 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,300 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,531 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,434 |
| Countries with Megacities | 0 | - | 4.99 | 263,263 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,266 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,227 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,265 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,840 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,896 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,556 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,408 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,266 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,497 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,289 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,667 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,888 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,712 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,771 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,880 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,386 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,529 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,072 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,918 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,513 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,998 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,310 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,791 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,794 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,501 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,870 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,522 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,031 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,456 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,616 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,283 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,513 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,584 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,854 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,250 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,566 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,242 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,121 |
| Boundary Waters | 0 | - | 4.92 | 88,458 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,075 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,431 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,458 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,402 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,742 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,606 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,598 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,429 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,871 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,137 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,302 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,512 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,378 |
| Largest City by Island | 0 | - | 4.87 | 71,853 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,936 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,487 |
| Megacities on a World Map | 0 | - | 4.98 | 254,482 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,336 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,913 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,624 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,803 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,341 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,977 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,267 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,189 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,735 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,246 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,533 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,234 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,947 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,109 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,072 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,813 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,214 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,406 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,863 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,829 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,314 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,816 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,421 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,257 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,930 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,212 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,948 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,056 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,559 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,393 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,954 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,735 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,447,800 |
| Landlocked Countries | 0 | - | 4.99 | 420,334 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,796 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,752 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,914 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,591 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,820 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,503 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,670 |
| Population Trivia | 0 | - | 4.32 | 27,494 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,427 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,560 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,085 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,976 |
| Biggest City by Region | 0 | - | 4.50 | 36,213 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,135 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,902 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,522 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,327 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,775 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,184 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,247 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,307 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,412 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,372 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,826 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,636 |
| Himalayan Countries | 0 | - | 4.95 | 138,038 |
| Andean Countries | 0 | - | 4.95 | 84,233 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,459 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,281 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,097 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,537 |
| Danube Countries | 0 | - | 4.97 | 71,813 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,757 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,205 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,937 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,387 |
| European Landlocked Countries | 0 | - | 4.99 | 146,948 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,349 |
| Countries with the Most Species | 0 | - | 4.99 | 103,074 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,509 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,494 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,651 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,432 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,497 |
| Countries in the Alps | 0 | - | 4.87 | 117,941 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,097 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,671 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,539 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,434 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,283 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,455 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,325 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,066 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,694 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,560 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,415 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,057 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,338 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,350 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,493 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,164 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,675 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,787 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,096 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,626 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,093 |
| Largest Countries By Category | 0 | - | 4.97 | 157,902 |
| Countries by Countries | 0 | - | 4.97 | 63,000 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,441 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,212 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,504 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,031 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,790 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,633 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,552 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,346 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,438 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,822 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,553 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,173 |
| Longest International Borders | 0 | - | 4.99 | 264,918 |
| Countries with Three Borders | 0 | - | 4.96 | 36,522 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,008 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,121 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,039 |
| Demonym of Every Country | 0 | - | 4.91 | 59,963 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,363 |
| People Born on Islands | 0 | - | 4.39 | 52,921 |
| Islands by Picture | 0 | - | 4.28 | 106,954 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,383 |
| Name a Valid Island | 0 | - | 4.78 | 68,890 |
| Island Superlatives | 0 | - | 4.57 | 34,604 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,310 |
