| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,490 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,506 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,118 |
| Island Countries | 0 | - | 4.99 | 711,245 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,330 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,581 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,066 |
| Countries with Megacities | 0 | - | 4.99 | 264,967 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,888 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,572 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,155 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,644 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,268 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,206 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,689 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,519 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,370 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,115 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,204 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,747 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,114 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,998 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,334 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,243 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,612 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,799 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,273 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,408 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,230 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,154 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,876 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,144 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,273 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,872 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,456 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,248 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,357 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,889 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,990 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,337 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,737 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,787 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,917 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,313 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,039 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,835 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,943 |
| Boundary Waters | 0 | - | 4.92 | 88,609 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,276 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,335 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,817 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,669 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,629 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,667 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,929 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,727 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,795 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,216 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,378 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,540 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,139 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,094 |
| Largest City by Island | 0 | - | 4.87 | 72,114 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,216 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,280 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,833 |
| Megacities on a World Map | 0 | - | 4.98 | 255,549 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,546 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,254 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,365 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,019 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,793 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,315 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,557 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,329 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,956 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,361 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,666 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,451 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,264 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,431 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,785 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,890 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,334 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,555 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,453 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,316 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,762 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,407 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,607 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,577 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,201 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,620 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,461 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,245 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,033 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,803 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,236 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,951 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,629,733 |
| Landlocked Countries | 0 | - | 4.99 | 422,576 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,800 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,957 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,181 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,739 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,077 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,616 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,884 |
| Population Trivia | 0 | - | 4.32 | 27,524 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,623 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,790 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,060 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,048 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,674 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,945 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,174 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,240 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,376 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,807 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,474 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,926 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,901 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,817 |
| Himalayan Countries | 0 | - | 4.95 | 138,995 |
| Andean Countries | 0 | - | 4.93 | 84,779 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,008 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,078 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,590 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,916 |
| Danube Countries | 0 | - | 4.97 | 72,094 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,118 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,488 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,440 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,922 |
| European Landlocked Countries | 0 | - | 4.99 | 147,225 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,759 |
| Countries with the Most Species | 0 | - | 4.99 | 103,303 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,875 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,628 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,748 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,596 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,313 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,733 |
| Countries in the Alps | 0 | - | 4.87 | 118,306 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,486 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,165 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,716 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,667 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,581 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,996 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,746 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,563 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,224 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,916 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,689 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,570 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,287 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,535 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,598 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,044 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,364 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,438 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,193 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,252 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,304 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,276 |
| Largest Countries By Category | 0 | - | 4.97 | 158,330 |
| Countries by Countries | 0 | - | 4.96 | 63,311 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,765 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,308 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,579 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,788 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,083 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,744 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,782,991 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,758 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,874 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,555 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,515 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,961 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,147 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,335 |
| Longest International Borders | 0 | - | 4.99 | 265,307 |
| Countries with Three Borders | 0 | - | 4.96 | 36,638 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,152 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,262 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,090 |
| Demonym of Every Country | 0 | - | 4.91 | 60,846 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,428 |
| People Born on Islands | 0 | - | 4.39 | 52,981 |
| Islands by Picture | 0 | - | 4.28 | 107,309 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,435 |
| Name a Valid Island | 0 | - | 4.78 | 69,025 |
| Island Superlatives | 0 | - | 4.57 | 34,650 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,342 |
