| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,247 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,282 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,126 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,684 |
| Countries with Megacities | 0 | - | 4.99 | 268,231 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,313 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,420 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,663 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,545 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,976 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,246 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,620 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,078 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,429 |
| Boundary Waters | 0 | - | 4.92 | 88,874 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,916 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,653 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,115 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,637 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,522 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,636 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,900 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,277 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,439 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,773 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,177 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,312 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,031 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,034 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,776 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,844 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,024 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,450 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,164 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,768 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,904 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,359 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,618 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,877 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,429 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,941 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,691 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,853 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,743 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,005 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,658 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,935 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,956 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,123 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,294 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,856 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,943 |
| Largest City by Island | 0 | - | 4.87 | 72,619 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,537 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,943 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,306 |
| Megacities on a World Map | 0 | - | 4.98 | 257,686 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,888 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,894 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,940 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,399 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,937 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,133 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,078 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,650 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,331 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,594 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,962 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,919 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,901 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,484 |
| Most Populous Islands | 0 | - | 4.80 | 123,490 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,414 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,691 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,042 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,563 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,584 |
| Landlocked Countries | 0 | - | 4.99 | 427,803 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,416 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,959 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,013,531 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,343 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,025 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,577 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,060 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,573 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,434 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,162 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,015 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,185 |
| Population Trivia | 0 | - | 4.32 | 27,601 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,770 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,415 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,456 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,509 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,428 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,663 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,428 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,174 |
| Himalayan Countries | 0 | - | 4.93 | 141,054 |
| Andean Countries | 0 | - | 4.94 | 85,918 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,028 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,654 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,573 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,775 |
| Danube Countries | 0 | - | 4.97 | 72,620 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,886 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,028 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,555 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,026 |
| European Landlocked Countries | 0 | - | 4.99 | 147,830 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,620 |
| Countries with the Most Species | 0 | - | 4.99 | 103,678 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,730 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,837 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,980 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,967 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,713 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,181 |
| Countries in the Alps | 0 | - | 4.87 | 119,061 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,144 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,265 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,230 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,200 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,435 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,650 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,041 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,542 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,357 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,985 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,856 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,716 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,968 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,071 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,285 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,771 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,841 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,923 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,602 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,669 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,648 |
| Largest Countries By Category | 0 | - | 4.97 | 159,207 |
| Countries by Countries | 0 | - | 4.97 | 63,865 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,539 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,464 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,722 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,657 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,609 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,301 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,646 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,036 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,933 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,672 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,563 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,702 |
| Longest International Borders | 0 | - | 4.99 | 266,099 |
| Countries with Three Borders | 0 | - | 4.96 | 36,863 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,457 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,597 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,221 |
| Demonym of Every Country | 0 | - | 4.90 | 61,706 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,840 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,659 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,674 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,265 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,419 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,100 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,776 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,295 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,239 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,692 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,190 |
| Biggest City by Region | 0 | - | 4.50 | 36,431 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,391 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,337 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,470 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,642 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,614 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,902 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,390 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,054 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,237 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 138,006 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,814 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,723 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,211 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,702 |
| Island Countries | 0 | - | 4.99 | 713,252 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,839 |
| Northernmost Countries | 0 | - | 4.99 | 364,879 |
| Countries of South America | 0 | - | 5.00 | 935,060 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,521 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,999 |
| "Land" Countries | 0 | - | 4.98 | 339,200 |
| Top World Languages | 0 | - | 4.92 | 832,265 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,796 |
| Globe Grid | 0 | - | 4.32 | 32,051 |
