| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,897 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,111 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,989 |
| Island Countries | 0 | - | 4.99 | 710,239 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,296 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,529 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,375 |
| Countries with Megacities | 0 | - | 4.99 | 262,987 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,208 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,183 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,824 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,861 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,547 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,402 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,252 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,153 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,198 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,334 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,877 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,679 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,697 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,851 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,367 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,507 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,052 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,871 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,442 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,893 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,268 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,671 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,757 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,461 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,815 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,229 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,997 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,352 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,586 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,230 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,486 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,569 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,843 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,246 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,469 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,885 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,042 |
| Boundary Waters | 0 | - | 4.92 | 88,454 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,146 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,051 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,448 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,380 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,668 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,570 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,591 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,398 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,852 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,110 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,288 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,879 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,482 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,329 |
| Largest City by Island | 0 | - | 4.87 | 71,829 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,924 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,899 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,436 |
| Megacities on a World Map | 0 | - | 4.98 | 254,398 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,320 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,882 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,570 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,783 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,295 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,931 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,238 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,175 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,718 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,237 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,525 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,207 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,917 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,080 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,910 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,806 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,208 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,395 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,808 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,784 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,268 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,788 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,414 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,225 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,899 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,134 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,899 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,030 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,398 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,366 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,931 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,712 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,430,041 |
| Landlocked Countries | 0 | - | 4.99 | 420,102 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,248 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,733 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,882 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,576 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,789 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,491 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,651 |
| Population Trivia | 0 | - | 4.32 | 27,488 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,409 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,541 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,077 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,967 |
| Biggest City by Region | 0 | - | 4.50 | 36,207 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,129 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,890 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,505 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,252 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,720 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,180 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,233 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,254 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,405 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,321 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,422 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,516 |
| Himalayan Countries | 0 | - | 4.95 | 137,929 |
| Andean Countries | 0 | - | 4.95 | 84,185 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,401 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,035 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,050 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,495 |
| Danube Countries | 0 | - | 4.97 | 71,782 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,723 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,176 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,886 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,038 |
| European Landlocked Countries | 0 | - | 4.99 | 146,920 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,309 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,470 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,473 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,641 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,409 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,090 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,481 |
| Countries in the Alps | 0 | - | 4.87 | 117,906 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,188 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,625 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,516 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,406 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,254 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,422 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,299 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,050 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,665 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,392 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,024 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,320 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,324 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,452 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,143 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,655 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,732 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,975 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,554 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,853 |
| Countries by Countries | 0 | - | 4.97 | 62,964 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,403 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,499 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,947 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,770 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,464 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,046 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,526 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,326 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,432 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,815 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,486 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,879 |
| Countries with Three Borders | 0 | - | 4.96 | 36,518 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,997 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,108 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,035 |
| Demonym of Every Country | 0 | - | 4.91 | 59,698 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,354 |
| People Born on Islands | 0 | - | 4.39 | 52,916 |
| Islands by Picture | 0 | - | 4.29 | 106,924 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,376 |
| Name a Valid Island | 0 | - | 4.78 | 68,876 |
| Island Superlatives | 0 | - | 4.57 | 34,603 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,307 |
