| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,966 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,197 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,971 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,647 |
| Countries with Megacities | 0 | - | 4.99 | 247,618 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,496 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,214 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,897 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,142 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,456 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,993 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,514 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,686 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,115 |
| Boundary Waters | 0 | - | 4.92 | 88,085 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,854 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,396 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,455 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,919 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,821 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,205 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,034 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,295 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,042 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,568 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,829 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,419 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,838 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,909 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,354 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,064 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,649 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,693 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,651 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,741 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,168 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,270 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,830 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,813 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,699 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,081 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,094 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,145 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,372 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,412 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,210 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,505 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,082 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,509 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,703 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,356 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,810 |
| Biggest Cities by Language | 0 | - | 4.96 | 239,938 |
| Largest City by Island | 0 | - | 4.87 | 71,143 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,449 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,675 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,392 |
| Megacities on a World Map | 0 | - | 4.98 | 251,331 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,882 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,970 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,002 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,306 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,631 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,432 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,371 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,718 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,646 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,904 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,329 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,242 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,261 |
| Most Populous Islands | 0 | - | 4.79 | 122,051 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,419 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,644 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,897 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,865 |
| Landlocked Countries | 0 | - | 4.99 | 414,438 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,348 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,007 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,987,773 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,222 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,093 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,173 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,168 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,004 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,074 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,878 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,531 |
| Population Trivia | 0 | - | 4.32 | 27,431 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,225 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,169 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,631 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,612 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,655 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,383 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,693 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,933 |
| Himalayan Countries | 0 | - | 4.95 | 135,644 |
| Andean Countries | 0 | - | 4.94 | 82,994 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,397 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,045 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,719 |
| Danube Countries | 0 | - | 4.97 | 71,161 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,877 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,623 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,664 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,565 |
| European Landlocked Countries | 0 | - | 4.99 | 145,864 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,334 |
| Countries with the Most Species | 0 | - | 4.99 | 95,290 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,484 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,229 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,397 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,647 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,011 |
| Countries in the Alps | 0 | - | 4.86 | 116,958 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,662 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,426 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,083 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,493 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,271 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,076 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,675 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,827 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,133 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,227 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,091 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,814 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,247 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,724 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,303 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,880 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,747 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,940 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Largest Countries By Category | 0 | - | 4.97 | 156,891 |
| Countries by Countries | 0 | - | 4.96 | 62,341 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,530 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,995 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,993 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,200 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,844 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,795 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,518 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,612 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,259 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,657 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,688 |
| Longest International Borders | 0 | - | 4.99 | 263,952 |
| Countries with Three Borders | 0 | - | 4.96 | 36,243 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,642 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,736 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,887 |
| Demonym of Every Country | 0 | - | 4.91 | 58,725 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,181 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,486 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,081 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,496 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,222 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,445 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,070 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,131 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,006 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,926 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,752 |
| Biggest City by Region | 0 | - | 4.50 | 36,021 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,929 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,051 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,243 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,955 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,274 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,015 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,581 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,162 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,693 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,729 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,947 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,921 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,425 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,246 |
| Island Countries | 0 | - | 4.99 | 707,939 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,582 |
| Northernmost Countries | 0 | - | 4.99 | 358,171 |
| Countries of South America | 0 | - | 5.00 | 916,183 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,331 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,262 |
| "Land" Countries | 0 | - | 4.98 | 333,876 |
| Top World Languages | 0 | - | 4.92 | 814,217 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,191 |
| Globe Grid | 0 | - | 4.32 | 31,939 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,382 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,612 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,514 |
