| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,698 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,935 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,131 |
| Island Countries | 0 | - | 4.99 | 709,827 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,077 |
| Countries with Megacities | 0 | - | 4.99 | 260,835 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,932 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,018 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,208 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,762 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,727 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,492 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,332 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,208 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,522 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,788 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,939 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,747 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,571 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,462 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,695 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,288 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,388 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,943 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,530 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,998 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,275 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,959 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,983 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,439 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,244 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,528 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,705 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,812 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 62,110 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,407 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,905 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,386 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,108 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,805 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,222 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,584 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,990 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,610 |
| Boundary Waters | 0 | - | 4.92 | 88,386 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,092 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,927 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,207 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,354 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,285 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,255 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,419 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,513 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,254 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,739 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,993 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,185 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,832 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,076 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,056 |
| Largest City by Island | 0 | - | 4.87 | 71,705 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,803 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,702 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,277 |
| Megacities on a World Map | 0 | - | 4.98 | 253,542 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,230 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,733 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,278 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,677 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,109 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,781 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,123 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,099 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,545 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,174 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,455 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,099 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,807 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,937 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,165 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,773 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,145 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,325 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,507 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,559 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,072 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,667 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,363 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,066 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,736 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,920 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,684 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,910 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,875 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,146 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,825 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,604 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,345,213 |
| Landlocked Countries | 0 | - | 4.99 | 419,123 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,470 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,637 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,776 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,508 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,639 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,538 |
| Population Trivia | 0 | - | 4.32 | 27,475 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,340 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,422 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,051 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,924 |
| Biggest City by Region | 0 | - | 4.50 | 36,128 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,058 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,805 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,414 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,964 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,550 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,157 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,330 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,174 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,014 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,373 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,098 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,627 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,055 |
| Himalayan Countries | 0 | - | 4.94 | 137,498 |
| Andean Countries | 0 | - | 4.95 | 83,974 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,250 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,711 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,863 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,373 |
| Danube Countries | 0 | - | 4.97 | 71,683 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,581 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,075 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,684 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,754 |
| European Landlocked Countries | 0 | - | 4.99 | 146,794 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,160 |
| Countries with the Most Species | 0 | - | 4.99 | 102,927 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,294 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,319 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,001 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,374 |
| Countries in the Alps | 0 | - | 4.87 | 117,709 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,154 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,397 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,431 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,014 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,119 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,700 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,301 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,203 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,571 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,495 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,345 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,945 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,202 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,223 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,218 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,076 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,582 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,551 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,459 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,264 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,011 |
| Largest Countries By Category | 0 | - | 4.97 | 157,663 |
| Countries by Countries | 0 | - | 4.96 | 62,854 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,235 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,570 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,666 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,337 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,746 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,395 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,743 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,237 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,393 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,752 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,116 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,084 |
| Longest International Borders | 0 | - | 4.99 | 264,690 |
| Countries with Three Borders | 0 | - | 4.96 | 36,460 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,922 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 48,023 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,007 |
| Demonym of Every Country | 0 | - | 4.91 | 59,167 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,317 |
| People Born on Islands | 0 | - | 4.39 | 52,889 |
| Islands by Picture | 0 | - | 4.29 | 106,771 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,345 |
| Name a Valid Island | 0 | - | 4.78 | 68,810 |
| Island Superlatives | 0 | - | 4.57 | 34,585 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,287 |
