| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,226 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,486 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,497 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,161 |
| Countries with Megacities | 0 | - | 4.99 | 248,703 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,026 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,480 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,391 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,430 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,301 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,683 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,544 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,724 |
| Boundary Waters | 0 | - | 4.92 | 88,201 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,939 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,608 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,750 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,082 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,994 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,386 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,244 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,806 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,272 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,052 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,052 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,599 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,102 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,305 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,117 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,371 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,535 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,961 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,889 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,044 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,384 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,462 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,997 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,039 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,201 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,164 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,244 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,703 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,110 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,722 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,311 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,799 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,305 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,683 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,865 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,585 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,387 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,184 |
| Largest City by Island | 0 | - | 4.87 | 71,361 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,571 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,911 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,895 |
| Megacities on a World Map | 0 | - | 4.98 | 252,172 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,004 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,312 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,455 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,417 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,655 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,920 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,502 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,866 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,739 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,992 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,498 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,464 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,518 |
| Most Populous Islands | 0 | - | 4.79 | 122,174 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,229 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,444 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,687 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,994 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,173 |
| Landlocked Countries | 0 | - | 4.99 | 416,220 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 560,677 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,123 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,129,525 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,341 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,290 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,637 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,534 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,397 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,304 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,994 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,750 |
| Population Trivia | 0 | - | 4.32 | 27,449 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,412 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,371 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,055 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,707 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,102 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,536 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,870 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,719 |
| Himalayan Countries | 0 | - | 4.95 | 136,324 |
| Andean Countries | 0 | - | 4.95 | 83,384 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,647 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,876 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,345 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,948 |
| Danube Countries | 0 | - | 4.97 | 71,351 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,145 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,811 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,068 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,019 |
| European Landlocked Countries | 0 | - | 4.99 | 146,076 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,691 |
| Countries with the Most Species | 0 | - | 4.99 | 99,645 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,839 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,310 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,486 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,126 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,779 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,151 |
| Countries in the Alps | 0 | - | 4.86 | 117,277 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,865 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,794 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,226 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,688 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,730 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,940 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,965 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,765 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,297 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,336 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,687 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,959 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,629 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,865 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,399 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,149 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,756 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,789 |
| Largest Countries By Category | 0 | - | 4.97 | 157,200 |
| Countries by Countries | 0 | - | 4.96 | 62,554 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,815 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,067 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,403 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,573 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,363 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,044 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,986 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,612 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,858 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,313 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,127 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,823 |
| Longest International Borders | 0 | - | 4.99 | 264,246 |
| Countries with Three Borders | 0 | - | 4.96 | 36,328 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,761 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,842 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,939 |
| Demonym of Every Country | 0 | - | 4.91 | 58,879 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,293 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,355 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,693 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,601 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,242 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,538 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,206 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,175 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,170 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,975 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,825 |
| Biggest City by Region | 0 | - | 4.50 | 36,057 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,988 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,095 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,274 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,058 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,312 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,142 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,676 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,261 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,145 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,064 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,311 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,831 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,634 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,448 |
| Island Countries | 0 | - | 4.99 | 708,669 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,831 |
| Northernmost Countries | 0 | - | 4.99 | 359,147 |
| Countries of South America | 0 | - | 5.00 | 919,080 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,914 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,243 |
| "Land" Countries | 0 | - | 4.98 | 334,315 |
| Top World Languages | 0 | - | 4.92 | 816,710 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,253 |
| Globe Grid | 0 | - | 4.32 | 31,954 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,526 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,814 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,740 |
