| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,622 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,848 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,690 |
| Island Countries | 0 | - | 4.99 | 709,605 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,273 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,497 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,910 |
| Countries with Megacities | 0 | - | 4.99 | 257,221 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,774 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,923 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,067 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,930 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,732 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,672 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,307 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,188 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,846 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,606 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,375 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,695 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,518 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,340 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,647 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,244 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,333 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,890 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,430 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,848 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,025 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,837 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,683 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,325 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,166 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,406 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,639 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,739 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,199 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,333 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,780 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,351 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,069 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,790 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,206 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,370 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,183 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,466 |
| Boundary Waters | 0 | - | 4.92 | 88,364 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,063 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,884 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,130 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,307 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,247 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,056 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,345 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,488 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,178 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,674 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,951 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,130 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,812 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,992 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,939 |
| Largest City by Island | 0 | - | 4.87 | 71,636 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,763 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,622 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,211 |
| Megacities on a World Map | 0 | - | 4.98 | 253,224 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,188 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,652 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,143 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,627 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,037 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,700 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,073 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,050 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,356 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,146 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,422 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,052 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,754 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,872 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,855 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,757 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,113 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,290 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,387 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,463 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,982 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,598 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,325 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,013 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,645 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,712 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,593 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,875 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,643 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,052 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,774 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,559 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,311,661 |
| Landlocked Countries | 0 | - | 4.99 | 418,555 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,261 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,599 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,710 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,482 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,596 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,404 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,484 |
| Population Trivia | 0 | - | 4.32 | 27,471 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,305 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,379 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,041 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,910 |
| Biggest City by Region | 0 | - | 4.50 | 36,117 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,047 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,783 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,378 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,820 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,467 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,146 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,318 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,154 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,894 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,356 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 100,991 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,893 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,786 |
| Himalayan Countries | 0 | - | 4.94 | 137,248 |
| Andean Countries | 0 | - | 4.95 | 83,841 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,103 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,506 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,772 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,292 |
| Danube Countries | 0 | - | 4.97 | 71,613 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,491 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,012 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,577 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,642 |
| European Landlocked Countries | 0 | - | 4.99 | 146,728 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,073 |
| Countries with the Most Species | 0 | - | 4.99 | 102,865 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,208 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,419 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,574 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,275 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,953 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,332 |
| Countries in the Alps | 0 | - | 4.87 | 117,629 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,093 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,297 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,383 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,946 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,049 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,417 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,234 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,148 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,944 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,517 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,454 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,318 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,893 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,164 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,180 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,119 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,037 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,553 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,473 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,214 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,134 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,970 |
| Largest Countries By Category | 0 | - | 4.97 | 157,574 |
| Countries by Countries | 0 | - | 4.96 | 62,804 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,153 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,148 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,464 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,402 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,619 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,290 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,792 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,344 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,720 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,196 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,384 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,726 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,999 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,050 |
| Longest International Borders | 0 | - | 4.99 | 264,606 |
| Countries with Three Borders | 0 | - | 4.96 | 36,440 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,899 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,992 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,001 |
| Demonym of Every Country | 0 | - | 4.91 | 59,120 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,300 |
| People Born on Islands | 0 | - | 4.39 | 52,875 |
| Islands by Picture | 0 | - | 4.29 | 106,697 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,340 |
| Name a Valid Island | 0 | - | 4.78 | 68,784 |
| Island Superlatives | 0 | - | 4.57 | 34,570 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,279 |
