| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,412 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,420 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,553 |
| Island Countries | 0 | - | 4.99 | 711,045 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,324 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,881 |
| Countries with Megacities | 0 | - | 4.99 | 264,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,735 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,466 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,992 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,538 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,234 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,135 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,655 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,494 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,341 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,134 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,964 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,807 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,049 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,926 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,179 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,139 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,552 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,729 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,217 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,258 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,002 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,829 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,706 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,759 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,111 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,751 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,238 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,147 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,266 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,810 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,879 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,064 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,690 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,745 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,907 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,299 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,679 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,887 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,727 |
| Boundary Waters | 0 | - | 4.92 | 88,571 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,249 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,266 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,706 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,601 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,576 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,404 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,859 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,698 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,718 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,140 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,326 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,479 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,979 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,040 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,945 |
| Largest City by Island | 0 | - | 4.87 | 72,054 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,150 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,185 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,750 |
| Megacities on a World Map | 0 | - | 4.98 | 255,291 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,495 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,172 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,183 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,958 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,969 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,684 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,216 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,496 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,904 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,333 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,638 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,401 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,181 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,342 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,323 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,872 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,311 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,518 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,309 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,212 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,638 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,329 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,509 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,136 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,518 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,331 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,206 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,672 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,693 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,167 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,906 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,581,002 |
| Landlocked Countries | 0 | - | 4.99 | 421,948 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 576,796 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,915 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,112 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,706 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,019 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,584 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,836 |
| Population Trivia | 0 | - | 4.32 | 27,514 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,575 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,727 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,564 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,044 |
| Biggest City by Region | 0 | - | 4.50 | 36,279 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,191 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,997 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,626 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,779 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,071 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,224 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,376 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,356 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,675 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,788 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,120 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,438 |
| Himalayan Countries | 0 | - | 4.94 | 138,711 |
| Andean Countries | 0 | - | 4.93 | 84,600 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,795 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,812 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,420 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,802 |
| Danube Countries | 0 | - | 4.97 | 72,005 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,013 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,420 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,300 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,778 |
| European Landlocked Countries | 0 | - | 4.99 | 147,141 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,639 |
| Countries with the Most Species | 0 | - | 4.99 | 103,244 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,758 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,592 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,721 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,541 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,226 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,659 |
| Countries in the Alps | 0 | - | 4.87 | 118,199 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,114 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,034 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,641 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,596 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,508 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,487 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,176 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,845 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,652 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,525 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,220 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,465 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,520 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,902 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,307 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,764 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,072 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,930 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,100 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,231 |
| Largest Countries By Category | 0 | - | 4.97 | 158,207 |
| Countries by Countries | 0 | - | 4.96 | 63,220 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,681 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,285 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,565 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,577 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,018 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,674 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,520 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,708 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,859 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,501 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,498 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,917 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,995 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,287 |
| Longest International Borders | 0 | - | 4.99 | 265,200 |
| Countries with Three Borders | 0 | - | 4.96 | 36,614 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,129 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,223 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,068 |
| Demonym of Every Country | 0 | - | 4.91 | 60,702 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,414 |
| People Born on Islands | 0 | - | 4.39 | 52,967 |
| Islands by Picture | 0 | - | 4.28 | 107,233 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,424 |
| Name a Valid Island | 0 | - | 4.78 | 68,990 |
| Island Superlatives | 0 | - | 4.57 | 34,635 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,335 |
