| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,206 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,224 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,868 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,589 |
| Countries with Megacities | 0 | - | 4.99 | 268,042 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,231 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,379 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,558 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,482 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,511 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,095 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,296 |
| 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 | 88,865 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,477 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,873 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,607 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,087 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,104 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,600 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,492 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,577 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,864 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,078 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,396 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,751 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,132 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,245 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,995 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,940 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,721 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,717 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,986 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,416 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,129 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,734 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,871 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,335 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,592 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,832 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,282 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,513 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,612 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,737 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,675 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,988 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,617 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,896 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,919 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,088 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,285 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,821 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,901 |
| Largest City by Island | 0 | - | 4.87 | 72,593 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,516 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,914 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,275 |
| Megacities on a World Map | 0 | - | 4.98 | 257,578 |
| 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 | 116,846 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,380 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,894 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,077 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,044 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,632 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,299 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,582 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,943 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,896 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,856 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,428 |
| Most Populous Islands | 0 | - | 4.80 | 123,465 |
| 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 | 50,029 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,557 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,393 |
| Landlocked Countries | 0 | - | 4.99 | 427,524 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,695 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,923 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,991,298 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,324 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,005 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,538 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,992 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,510 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,371 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,125 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,996 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,142 |
| Population Trivia | 0 | - | 4.32 | 27,597 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,735 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,199 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,414 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,495 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,391 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,636 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,398 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,042 |
| Himalayan Countries | 0 | - | 4.93 | 140,944 |
| Andean Countries | 0 | - | 4.94 | 85,861 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,967 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,574 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,514 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,731 |
| Danube Countries | 0 | - | 4.97 | 72,585 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,846 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,999 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,493 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,968 |
| European Landlocked Countries | 0 | - | 4.99 | 147,803 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,576 |
| Countries with the Most Species | 0 | - | 4.99 | 103,660 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,682 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,824 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,963 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,945 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,697 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,156 |
| Countries in the Alps | 0 | - | 4.87 | 119,017 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,070 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,210 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,080 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,204 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,172 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,411 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,627 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,020 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,526 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,336 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,968 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,846 |
| 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 | 78,046 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,201 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,759 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,657 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,874 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,462 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,579 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,632 |
| Largest Countries By Category | 0 | - | 4.97 | 159,138 |
| Countries by Countries | 0 | - | 4.97 | 63,831 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,491 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,453 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,716 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,553 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,586 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,267 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,608 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,032 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,910 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,662 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,489 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,685 |
| Longest International Borders | 0 | - | 4.99 | 266,048 |
| Countries with Three Borders | 0 | - | 4.96 | 36,846 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,440 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,588 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,217 |
| Demonym of Every Country | 0 | - | 4.90 | 61,669 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,826 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,515 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,738 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,389 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,414 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,087 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,758 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,272 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,226 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,687 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,188 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,385 |
| 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 | 83,630 |
| 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 | 226,176 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,970 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,757 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,942 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,127 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,531 |
| Island Countries | 0 | - | 4.99 | 713,102 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,492 |
| Northernmost Countries | 0 | - | 4.99 | 364,739 |
| Countries of South America | 0 | - | 5.00 | 934,696 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,966 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,010 |
| "Land" Countries | 0 | - | 4.98 | 339,111 |
| Top World Languages | 0 | - | 4.92 | 831,700 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,787 |
| Globe Grid | 0 | - | 4.32 | 32,050 |
