| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,936 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,001 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,003 |
| Countries with Megacities | 0 | - | 4.99 | 266,832 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,721 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,032 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,035 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,159 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,366 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,299 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,042 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,005 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,396 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,646 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,272 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,922 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,920 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,395 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,283 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,943 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,609 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,863 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,171 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,558 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,886 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,868 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,240 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,390 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,755 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,721 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,204 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,910 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,581 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,656 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,171 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,349 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,197 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,415 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,336 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,888 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,785 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,336 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,883 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,275 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,606 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,710 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,844 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,178 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,518 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,575 |
| Largest City by Island | 0 | - | 4.87 | 72,406 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,636 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,105 |
| Megacities on a World Map | 0 | - | 4.98 | 256,722 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,738 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,610 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,133 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,240 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,600 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,743 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,840 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,490 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,163 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,493 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,726 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,599 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,861 |
| Most Populous Islands | 0 | - | 4.80 | 123,280 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,377 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,639 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,969 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,467 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,674 |
| Landlocked Countries | 0 | - | 4.99 | 425,143 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,797 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,776 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,840,258 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,899 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,364 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,302 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,623 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,818 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,811 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,941 |
| Population Trivia | 0 | - | 4.32 | 27,559 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,519 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,945 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,071 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,397 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,135 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,481 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,205 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,964 |
| Himalayan Countries | 0 | - | 4.93 | 140,007 |
| Andean Countries | 0 | - | 4.94 | 85,309 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,469 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,821 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,036 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,327 |
| Danube Countries | 0 | - | 4.97 | 72,320 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,492 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,764 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,990 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,488 |
| European Landlocked Countries | 0 | - | 4.99 | 147,541 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,200 |
| Countries with the Most Species | 0 | - | 4.99 | 103,520 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,329 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,745 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,792 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,526 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,961 |
| Countries in the Alps | 0 | - | 4.87 | 118,690 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,491 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,757 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,923 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,970 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,885 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,195 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,381 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,127 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,826 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,699 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,506 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,737 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,834 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,701 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,565 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,706 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,601 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,477 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,012 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,476 |
| Largest Countries By Category | 0 | - | 4.97 | 158,775 |
| Countries by Countries | 0 | - | 4.96 | 63,581 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,190 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,380 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,818 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,374 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,047 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,419 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,757 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,963 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,534 |
| Longest International Borders | 0 | - | 4.99 | 265,757 |
| Countries with Three Borders | 0 | - | 4.96 | 36,748 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,330 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,471 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,170 |
| Demonym of Every Country | 0 | - | 4.90 | 61,415 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,740 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,450 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,123 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,004 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,387 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,994 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,651 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,098 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,057 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,642 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,140 |
| Biggest City by Region | 0 | - | 4.50 | 36,385 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,321 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,652 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,434 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,534 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,560 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,770 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,288 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,955 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,637 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,649 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,375 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,701 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,442 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,521 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,403 |
| Island Countries | 0 | - | 4.99 | 712,344 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,155 |
| Northernmost Countries | 0 | - | 4.99 | 363,743 |
| Countries of South America | 0 | - | 5.00 | 931,888 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,426 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,569 |
| "Land" Countries | 0 | - | 4.98 | 338,279 |
| Top World Languages | 0 | - | 4.92 | 829,120 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,717 |
| Globe Grid | 0 | - | 4.32 | 32,035 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,132 |
