| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,520 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,534 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,306 |
| Island Countries | 0 | - | 4.99 | 711,319 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,332 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,585 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,130 |
| Countries with Megacities | 0 | - | 4.99 | 265,118 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,946 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,602 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,210 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,671 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,275 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,231 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,698 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,535 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,376 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,466 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,284 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,020 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,130 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,018 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,381 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,263 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,634 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,829 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,290 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,457 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,299 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,253 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,922 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 146,318 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,316 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,894 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,491 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,278 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,381 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,912 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,019 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,403 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,764 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,799 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,924 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,316 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,162 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,087 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,007 |
| Boundary Waters | 0 | - | 4.92 | 88,613 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,287 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,360 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,853 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,691 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,659 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,778 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,958 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,735 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,832 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,247 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,403 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,554 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,019 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,180 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,133 |
| Largest City by Island | 0 | - | 4.87 | 72,135 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,235 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,316 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,852 |
| Megacities on a World Map | 0 | - | 4.98 | 255,635 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,566 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,281 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,424 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,035 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,826 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,359 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,571 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,341 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,979 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,371 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,675 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,480 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,279 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,459 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,936 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,897 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,340 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,573 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,511 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,364 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,817 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,439 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,621 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,597 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,213 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,649 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,493 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,256 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,151 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,830 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,255 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,965 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,644,382 |
| Landlocked Countries | 0 | - | 4.99 | 422,757 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,485 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,980 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,198 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,749 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,100 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,629 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,900 |
| Population Trivia | 0 | - | 4.32 | 27,525 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,638 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,816 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,585 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,065 |
| Biggest City by Region | 0 | - | 4.50 | 36,301 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,217 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,120 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,771 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,990 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,208 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,243 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,398 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,857 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,479 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,007 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,120 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,910 |
| Himalayan Countries | 0 | - | 4.95 | 139,081 |
| Andean Countries | 0 | - | 4.93 | 84,826 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,053 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,151 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,631 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,945 |
| Danube Countries | 0 | - | 4.97 | 72,112 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,150 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,515 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,481 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,975 |
| European Landlocked Countries | 0 | - | 4.99 | 147,246 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,797 |
| Countries with the Most Species | 0 | - | 4.99 | 103,323 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,918 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,637 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,757 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,336 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,753 |
| Countries in the Alps | 0 | - | 4.87 | 118,329 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,621 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,226 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,731 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,688 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,607 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,010 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,769 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,579 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,701 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,308 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,548 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,612 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,090 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,378 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,577 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,222 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,365 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,365 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,295 |
| Largest Countries By Category | 0 | - | 4.97 | 158,361 |
| Countries by Countries | 0 | - | 4.96 | 63,331 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,794 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,314 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,588 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,857 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,103 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,761 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,200 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,770 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,878 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,570 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,524 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,968 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,204 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,348 |
| Longest International Borders | 0 | - | 4.99 | 265,339 |
| Countries with Three Borders | 0 | - | 4.96 | 36,644 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,166 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,281 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,093 |
| Demonym of Every Country | 0 | - | 4.91 | 60,880 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,433 |
| People Born on Islands | 0 | - | 4.39 | 52,983 |
| Islands by Picture | 0 | - | 4.28 | 107,341 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,437 |
| Name a Valid Island | 0 | - | 4.78 | 69,029 |
| Island Superlatives | 0 | - | 4.57 | 34,654 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,344 |
