| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,062 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,091 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,975 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,321 |
| Countries with Megacities | 0 | - | 4.99 | 267,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,228 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,318 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,332 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,998 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,711 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,249 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,395 |
| Boundary Waters | 0 | - | 4.92 | 88,799 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,762 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,420 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,010 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,023 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,513 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,401 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,361 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,733 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,947 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,294 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,672 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,015 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,065 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,874 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,604 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,557 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,259 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,864 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,314 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,028 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,672 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,777 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,257 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,466 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,546 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,891 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,032 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,244 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,339 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,506 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,942 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,455 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,751 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,808 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,961 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,223 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,681 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,756 |
| Largest City by Island | 0 | - | 4.87 | 72,496 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,457 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,757 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,194 |
| Megacities on a World Map | 0 | - | 4.98 | 257,178 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,803 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,752 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,607 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,315 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,754 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,904 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,948 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,566 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,235 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,543 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,806 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,735 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,020 |
| Most Populous Islands | 0 | - | 4.80 | 123,384 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,391 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,658 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,996 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,514 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,384 |
| Landlocked Countries | 0 | - | 4.99 | 426,563 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,087 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,840 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,920,856 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,953 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,448 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,732 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,283 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,102 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,981 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,926 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,027 |
| Population Trivia | 0 | - | 4.32 | 27,581 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,612 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,051 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,254 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,454 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,283 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,555 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,296 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,553 |
| Himalayan Countries | 0 | - | 4.93 | 140,487 |
| Andean Countries | 0 | - | 4.94 | 85,622 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,755 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,223 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,319 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,551 |
| Danube Countries | 0 | - | 4.97 | 72,472 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,903 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,269 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,739 |
| European Landlocked Countries | 0 | - | 4.99 | 147,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,400 |
| Countries with the Most Species | 0 | - | 4.99 | 103,605 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,510 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,914 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,877 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,072 |
| Countries in the Alps | 0 | - | 4.87 | 118,858 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,795 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,996 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,091 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,040 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,323 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,471 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,925 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,465 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,238 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,916 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,782 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,613 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,850 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,951 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,996 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,660 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,754 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,956 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,310 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,554 |
| Largest Countries By Category | 0 | - | 4.97 | 158,953 |
| Countries by Countries | 0 | - | 4.97 | 63,712 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,334 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,176 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,471 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,154 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,524 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,012 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,842 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,629 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,242 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,602 |
| Longest International Borders | 0 | - | 4.99 | 265,894 |
| Countries with Three Borders | 0 | - | 4.96 | 36,801 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,385 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,523 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,194 |
| Demonym of Every Country | 0 | - | 4.90 | 61,550 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,782 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,026 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,647 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,922 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,400 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,043 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,706 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,172 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,150 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,672 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,171 |
| Biggest City by Region | 0 | - | 4.50 | 36,404 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,353 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,318 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,453 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,582 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,584 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,825 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,333 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,996 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,904 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,806 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,594 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,043 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,797 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,857 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,002 |
| Island Countries | 0 | - | 4.99 | 712,761 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,386 |
| Northernmost Countries | 0 | - | 4.99 | 364,290 |
| Countries of South America | 0 | - | 5.00 | 933,416 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,411 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,010 |
| "Land" Countries | 0 | - | 4.98 | 338,547 |
| Top World Languages | 0 | - | 4.92 | 830,504 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,751 |
| Globe Grid | 0 | - | 4.32 | 32,040 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,187 |
