| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,126 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,817 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,068 |
| Countries with Megacities | 0 | - | 4.99 | 194,634 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,379 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,821 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,624 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,676 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,932 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,301,705 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,466 |
| Biggest Cities in the World | 0 | - | 4.89 | 678,376 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,261 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,321 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,350 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,199 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,472 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,387 |
| Biggest City by Time Zone | 0 | - | 4.82 | 53,399 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,547 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 167,262 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,800 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,469 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 59,485 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 70,158 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,196 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,999 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,045 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 54,385 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 66,436 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,547 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 367,255 |
| Biggest Cities in the United States | 0 | - | 4.92 | 808,229 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 320,741 |
| Boundary Waters | 0 | - | 4.93 | 80,450 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,768 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,498 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,254 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,598 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,429 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,558 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,419 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 108,144 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,412 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,484 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,569 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,709 |
| Megacities on a World Map | 0 | - | 4.98 | 219,076 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,394 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,721 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 82,960 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 150,000 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,980 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,815 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,187 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,624 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,319 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,548 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,269 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,795 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,162 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 508,690 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,788 |
| Most Populous Islands | 0 | - | 4.71 | 112,004 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,935 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,259 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,023 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,348 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,371 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,966 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,920 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 84,085 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,827 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,782 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,705 |
| Biggest Cities in Asia | 0 | - | 4.94 | 94,982 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,929 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,793 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,105 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,109 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,440,216 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,231 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,813 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 82,846 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,604 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,446 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,419 |
| Population Trivia | 0 | - | 4.35 | 26,221 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,326 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,308 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,878 |
| Biggest City by Region | 0 | - | 4.48 | 33,300 |
| Most Populous 2nd Cities | 0 | - | 4.72 | 53,016 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,078 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,073 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,383 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,299 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,209 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 67,694 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 301,382 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,135 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,813 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 45,994 |
| World Capitals Quiz | 0 | - | 5.00 | 4,457,776 |
| Countries on the Equator | 0 | - | 4.82 | 132,335 |
| Members of the Arab League | 0 | - | 4.82 | 59,140 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,082 |
| Himalayan Countries | 0 | - | 4.95 | 102,390 |
| Andean Countries | 0 | - | 4.90 | 56,872 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,714 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,545 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,864 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,524 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,712 |
| Danube Countries | 0 | - | 4.97 | 56,352 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,386 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,586 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,289 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,759 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,366 |
| European Landlocked Countries | 0 | - | 4.99 | 114,832 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,736 |
| Countries with the Most Species | 0 | - | 4.99 | 89,081 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,804 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,427 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,805 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,746 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,101 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,443 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,669 |
| Countries in the Alps | 0 | - | 4.82 | 101,787 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,595 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,742 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,106 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,690 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,836 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,016 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,737 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,058 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,128 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,892 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,403 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,943 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,481 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,950 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,538 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,935 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,931 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,605 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,307 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,941 |
| Largest Countries By Category | 0 | - | 4.96 | 143,844 |
| Countries by Countries | 0 | - | 4.95 | 54,051 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,015,596 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,617 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,364 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,428 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,293 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,311 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,822 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,161 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,242 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,059 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,195 |
| Longest International Borders | 0 | - | 4.99 | 232,703 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,391 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,317 |
| Demonym of Every Country | 0 | - | 4.91 | 48,794 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,624 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 135,699 |
| Biggest Cities in Europe | 0 | - | 4.75 | 457,373 |
| Biggest City by Island | 0 | - | 4.57 | 45,606 |
| Biggest Cities in History | 0 | - | 4.49 | 79,452 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,668 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,605 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 43,662 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 90,763 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 39,864 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,864 |
| 500 Biggest US Cities | 0 | - | 4.85 | 96,255 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,283 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 111,104 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 106,183 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 96,742 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 109,574 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 127,529 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 113,522 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,368,633 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,482 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,567 |
| Island Countries Quiz | 0 | - | 4.99 | 638,463 |
| Biggest Countries by Area | 0 | - | 5.00 | 924,388 |
| Northernmost Countries | 0 | - | 4.99 | 325,250 |
| Countries of South America | 0 | - | 5.00 | 783,281 |
| Countries of Oceania | 0 | - | 5.00 | 881,457 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,106,658 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,550,494 |
| Top World Languages | 0 | - | 4.91 | 698,554 |
