| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,420 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,432 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,612 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,512 |
| Top World Languages | 0 | - | 4.92 | 824,320 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,910 |
| Countries with Megacities | 0 | - | 4.99 | 264,592 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,748 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,473 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,010 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,546 |
| Countries by Official Language | 0 | - | 4.95 | 195,262 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,384 |
| Countries in their Native Language | 0 | - | 4.99 | 199,051 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,100 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,282 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,250 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,985 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,885 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,467 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,058 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,941 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,196 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,150 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,561 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,735 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,220 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,268 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,010 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,861 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,723 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,790 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,118 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,755 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,245 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,157 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,271 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,819 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,896 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,095 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,478 |
| French-Speaking Countries | 0 | - | 4.85 | 270,856 |
| German-Speaking Countries | 0 | - | 4.91 | 145,743 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,352 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,711 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,985 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,747 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,301 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,409 |
| English Speaking Countries | 0 | - | 4.64 | 357,624 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,434 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,873 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,701 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,728 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,153 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,333 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,490 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,984 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,052 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,961 |
| Largest City by Island | 0 | - | 4.87 | 72,059 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,160 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,194 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,756 |
| Megacities on a World Map | 0 | - | 4.98 | 255,320 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,368 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,510 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,181 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,207 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,691 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,227 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,508 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,300 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,910 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,337 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,641 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,406 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,766 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,190 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,353 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,737 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,638 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,437 |
| Boundary Waters | 0 | - | 4.92 | 88,575 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,253 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,276 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,723 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,612 |
| Most Populous Islands | 0 | - | 4.80 | 123,043 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,325 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,566 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,324 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,226 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,651 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,334 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,874 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,573 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,518 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,315 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,149 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,522 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,527 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,346 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,214 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,710 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,703 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,174 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,907 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,845 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,502 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,586,891 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,844 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,581 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,742 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,564 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,044 |
| Biggest City by Region | 0 | - | 4.50 | 36,282 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,192 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,000 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,802 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,080 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,225 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,379 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,360 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,689 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| Landlocked Countries | 0 | - | 4.99 | 422,029 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 58,010 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,713 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,024 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,585 |
| Population Trivia | 0 | - | 4.32 | 27,516 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,540 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,544 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,728 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,028 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,036 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,443 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,486 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,515 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,487 |
| Himalayan Countries | 0 | - | 4.94 | 138,756 |
| Andean Countries | 0 | - | 4.93 | 84,620 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,825 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,844 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,444 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,818 |
| Danube Countries | 0 | - | 4.97 | 72,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,017 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,427 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,323 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,800 |
| European Landlocked Countries | 0 | - | 4.99 | 147,149 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,656 |
| Countries with the Most Species | 0 | - | 4.99 | 103,246 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,777 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,597 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,725 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,545 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,234 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,665 |
| Countries in the Alps | 0 | - | 4.87 | 118,215 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,160 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,047 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,654 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,599 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,518 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,948 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,682 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,497 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,183 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,856 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,661 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,530 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,234 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,478 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,529 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,923 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,313 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,850 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,083 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,965 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,131 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,236 |
| Largest Countries By Category | 0 | - | 4.97 | 158,221 |
| Countries by Countries | 0 | - | 4.96 | 63,230 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,696 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,289 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,567 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,029 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,679 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,155 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,718 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,860 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,507 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,500 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,018 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,291 |
