| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,580 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,572 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,218 |
| Countries with Megacities | 0 | - | 4.99 | 265,345 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,046 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,646 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,292 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,720 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,979 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,411 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,414 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,320 |
| Boundary Waters | 0 | - | 4.92 | 88,631 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,303 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,395 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,923 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,722 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,697 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,175 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,043 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,444 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,316 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,667 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,862 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,322 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,505 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,372 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,376 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,986 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,484 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,372 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,943 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,547 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,331 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,418 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,940 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,060 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,521 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,319 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,617 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,121 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,938 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,009 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,758 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,885 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,292 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,449 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,580 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,035 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,232 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,204 |
| Largest City by Island | 0 | - | 4.87 | 72,169 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,255 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,356 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,892 |
| Megacities on a World Map | 0 | - | 4.98 | 255,767 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,581 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,328 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,505 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,067 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,879 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,413 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,607 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,358 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,003 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,388 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,692 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,506 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,324 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,516 |
| Most Populous Islands | 0 | - | 4.80 | 123,119 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,338 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,587 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,910 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,358 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,193 |
| Landlocked Countries | 0 | - | 4.99 | 423,069 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,495 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,595 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,669,149 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,767 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,138 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,667 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,493 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,107 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,521 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,659 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,634 |
| Population Trivia | 0 | - | 4.32 | 27,528 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,238 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,689 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,551 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,272 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,869 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,285 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,996 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,043 |
| Himalayan Countries | 0 | - | 4.94 | 139,198 |
| Andean Countries | 0 | - | 4.93 | 84,885 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,101 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,241 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,681 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,996 |
| Danube Countries | 0 | - | 4.97 | 72,140 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,199 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,547 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,541 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,053 |
| European Landlocked Countries | 0 | - | 4.99 | 147,284 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,844 |
| Countries with the Most Species | 0 | - | 4.99 | 103,352 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,972 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,648 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,768 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,622 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,371 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,792 |
| Countries in the Alps | 0 | - | 4.87 | 118,372 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,781 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,299 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,760 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,723 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,645 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,044 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,820 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,611 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,251 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,958 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,723 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,596 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,331 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,569 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,640 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,173 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,405 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,793 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,256 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,528 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,439 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,315 |
| Largest Countries By Category | 0 | - | 4.97 | 158,410 |
| Countries by Countries | 0 | - | 4.96 | 63,364 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,856 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,989 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,131 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,795 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,811 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,898 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,592 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,539 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,290 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,376 |
| Longest International Borders | 0 | - | 4.99 | 265,398 |
| Countries with Three Borders | 0 | - | 4.96 | 36,659 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,192 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,305 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,103 |
| Demonym of Every Country | 0 | - | 4.90 | 60,947 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,641 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,318 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,020 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,349 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,350 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,896 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,552 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,926 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,846 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,590 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,075 |
| Biggest City by Region | 0 | - | 4.50 | 36,308 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,227 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,254 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,391 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,412 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,489 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,658 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,162 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,814 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,063 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,261 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,909 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,081 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,346 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,862 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,027 |
| Island Countries | 0 | - | 4.99 | 711,441 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,252 |
| Northernmost Countries | 0 | - | 4.99 | 362,520 |
| Countries of South America | 0 | - | 5.00 | 928,893 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,816 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,748 |
| "Land" Countries | 0 | - | 4.98 | 337,644 |
| Top World Languages | 0 | - | 4.92 | 825,998 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,611 |
| Globe Grid | 0 | - | 4.32 | 32,021 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,001 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,677 |
