| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,491 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,717 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,929 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,268 |
| Top World Languages | 0 | - | 4.92 | 818,847 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,629 |
| Countries with Megacities | 0 | - | 4.99 | 249,668 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,466 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,752 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,801 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,723 |
| Countries by Official Language | 0 | - | 4.95 | 194,410 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,232 |
| Countries in their Native Language | 0 | - | 4.99 | 197,972 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,103 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,237 |
| Places in their Native Language #2 | 0 | - | 4.81 | 132,670 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,580 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,293 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,329 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,202 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,538 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,414 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,132 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,509 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,175 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,226 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,789 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,315 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,650 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,691 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,684 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,272 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,200 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,071 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,273 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,546 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,653 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,130 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,231 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,581 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,272 |
| French-Speaking Countries | 0 | - | 4.85 | 270,008 |
| German-Speaking Countries | 0 | - | 4.91 | 144,939 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,731 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,766 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,189 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,888 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,836 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,175 |
| English Speaking Countries | 0 | - | 4.64 | 356,899 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,851 |
| Boundary Waters | 0 | - | 4.92 | 88,323 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,034 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,781 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,992 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,246 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,727 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,169 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,424 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,034 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,559 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,861 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,032 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,741 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,810 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,769 |
| Largest City by Island | 0 | - | 4.87 | 71,537 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,672 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,495 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,108 |
| Megacities on a World Map | 0 | - | 4.98 | 252,757 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,109 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,544 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,900 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,917 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,292 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,981 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,981 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 91,816 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,081 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,350 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,962 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,279 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,663 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,755 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,518 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,149 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,435 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,222 |
| Most Populous Islands | 0 | - | 4.80 | 122,699 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,263 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,482 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,732 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,068 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,246 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,585 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,128 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,233 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,752 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,494 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,097 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,921 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,563 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,563 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,380 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,803 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,137 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,836 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,671 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,468 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,246,032 |
| Landlocked Countries | 0 | - | 4.99 | 417,689 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,445 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,493 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,366 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,404 |
| Population Trivia | 0 | - | 4.32 | 27,464 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,255 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,308 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,023 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,885 |
| Biggest City by Region | 0 | - | 4.50 | 36,095 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,023 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,739 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,346 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,490 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,309 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,130 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,128 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,614 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,335 |
| World Capitals Quiz | 0 | - | 5.00 | 5,056,940 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,393 |
| Himalayan Countries | 0 | - | 4.94 | 136,907 |
| Andean Countries | 0 | - | 4.95 | 83,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,938 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,264 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,599 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,184 |
| Danube Countries | 0 | - | 4.97 | 71,530 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,365 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,944 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,406 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,465 |
| European Landlocked Countries | 0 | - | 4.99 | 146,343 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,957 |
| Countries with the Most Species | 0 | - | 4.99 | 102,626 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,083 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,378 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,550 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,228 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,886 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,269 |
| Countries in the Alps | 0 | - | 4.86 | 117,496 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,008 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,126 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,335 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,853 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,953 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,366 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,125 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,085 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,885 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,433 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,419 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,270 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,826 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,099 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,110 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,941 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,973 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,503 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,367 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,691 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,887 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,910 |
| Largest Countries By Category | 0 | - | 4.97 | 157,446 |
| Countries by Countries | 0 | - | 4.96 | 62,720 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,035 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,120 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,442 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,095 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,521 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,727 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,201 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,748,767 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,250 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,700 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,128 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,363 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,793 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,982 |
| Longest International Borders | 0 | - | 4.99 | 264,482 |
| Countries with Three Borders | 0 | - | 4.96 | 36,399 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,845 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,942 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,977 |
| Demonym of Every Country | 0 | - | 4.91 | 59,036 |
