| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,204 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,223 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,851 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,584 |
| Countries with Megacities | 0 | - | 4.99 | 268,024 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,226 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,375 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,555 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,481 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,476 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,082 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,277 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,071 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,424 |
| Boundary Waters | 0 | - | 4.92 | 88,862 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,476 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,870 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,601 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,083 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,103 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,599 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,491 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,573 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,863 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,060 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,393 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,750 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,132 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,242 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,991 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,934 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,717 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,709 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,985 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,414 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,126 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,732 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,867 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,332 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,590 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,830 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,273 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,476 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,609 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,734 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,671 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,988 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,616 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,893 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,917 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,083 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,284 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,820 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,899 |
| Largest City by Island | 0 | - | 4.87 | 72,593 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,515 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,913 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,274 |
| Megacities on a World Map | 0 | - | 4.98 | 257,574 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,870 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,861 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,842 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,378 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,893 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,071 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,042 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,632 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,298 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,582 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,941 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,894 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,853 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,424 |
| Most Populous Islands | 0 | - | 4.80 | 123,463 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,409 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,685 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,028 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,555 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,384 |
| Landlocked Countries | 0 | - | 4.99 | 427,501 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,610 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,919 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,989,979 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,324 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,002 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,537 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,988 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,505 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,367 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,124 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,996 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,140 |
| Population Trivia | 0 | - | 4.32 | 27,596 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,734 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,191 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,413 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,495 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,387 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,636 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,396 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,028 |
| Himalayan Countries | 0 | - | 4.93 | 140,930 |
| Andean Countries | 0 | - | 4.94 | 85,857 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,965 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,569 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,508 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,725 |
| Danube Countries | 0 | - | 4.97 | 72,582 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,842 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,999 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,491 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,962 |
| European Landlocked Countries | 0 | - | 4.99 | 147,802 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,573 |
| Countries with the Most Species | 0 | - | 4.99 | 103,658 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,677 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,824 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,943 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,697 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,153 |
| Countries in the Alps | 0 | - | 4.87 | 119,013 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,066 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,206 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,078 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,202 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,167 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,409 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,627 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,017 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,525 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,336 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,967 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,843 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,692 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,943 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,045 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,197 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,756 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,648 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,868 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,458 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,572 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,631 |
| Largest Countries By Category | 0 | - | 4.97 | 159,133 |
| Countries by Countries | 0 | - | 4.97 | 63,829 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,488 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,452 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,549 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,584 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,265 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,607 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,031 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,909 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,662 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,476 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,684 |
| Longest International Borders | 0 | - | 4.99 | 266,040 |
| Countries with Three Borders | 0 | - | 4.96 | 36,846 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,439 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,587 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,217 |
| Demonym of Every Country | 0 | - | 4.90 | 61,668 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,825 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,509 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,578 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,238 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,413 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,085 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,758 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,270 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,225 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,687 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,187 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,384 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,464 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,629 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,880 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,380 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,043 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,171 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,966 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,751 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,888 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,114 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,518 |
| Island Countries | 0 | - | 4.99 | 713,099 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,470 |
| Northernmost Countries | 0 | - | 4.99 | 364,725 |
| Countries of South America | 0 | - | 5.00 | 934,679 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,940 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,949 |
| "Land" Countries | 0 | - | 4.98 | 339,100 |
| Top World Languages | 0 | - | 4.92 | 831,657 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,786 |
| Globe Grid | 0 | - | 4.32 | 32,050 |
