| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,742 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,981 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,369 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,142 |
| Countries with Megacities | 0 | - | 4.99 | 261,563 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,007 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,061 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,288 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,093 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,899 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,881 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,268 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,812 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,231 |
| Boundary Waters | 0 | - | 4.92 | 88,400 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,107 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,965 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,252 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,378 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,303 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,783 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,590 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,513 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,739 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,311 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,421 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,971 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,627 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,134 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,440 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,052 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,173 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,539 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,307 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,604 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,761 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,854 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,276 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,461 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,996 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,715 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,432 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,702 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,356 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,450 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,531 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,293 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,770 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,033 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,204 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,845 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,124 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,138 |
| Largest City by Island | 0 | - | 4.87 | 71,739 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,829 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,755 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,306 |
| Megacities on a World Map | 0 | - | 4.98 | 253,671 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,255 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,780 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,336 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,708 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,156 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,814 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,151 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,115 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,596 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,191 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,123 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,835 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,974 |
| Most Populous Islands | 0 | - | 4.80 | 122,834 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,286 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,513 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,777 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,158 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,340 |
| Landlocked Countries | 0 | - | 4.99 | 419,365 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,062 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,337 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,364,409 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,523 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,687 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,574 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,630 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,121 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,696 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,373 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,107 |
| Population Trivia | 0 | - | 4.32 | 27,477 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,789 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,970 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,729 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,927 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,195 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,857 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,621 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,165 |
| Himalayan Countries | 0 | - | 4.95 | 137,596 |
| Andean Countries | 0 | - | 4.95 | 84,032 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,289 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,772 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,899 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,402 |
| Danube Countries | 0 | - | 4.97 | 71,706 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,617 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,105 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,723 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,801 |
| European Landlocked Countries | 0 | - | 4.99 | 146,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,190 |
| Countries with the Most Species | 0 | - | 4.99 | 102,961 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,337 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,440 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,603 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,337 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,016 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,403 |
| Countries in the Alps | 0 | - | 4.87 | 117,755 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,185 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,454 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,448 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,043 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,152 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,747 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,230 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,992 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,592 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,508 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,358 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,964 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,224 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,248 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,269 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,089 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,591 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,600 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,561 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,335 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,018 |
| Largest Countries By Category | 0 | - | 4.97 | 157,715 |
| Countries by Countries | 0 | - | 4.96 | 62,879 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,272 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,669 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,690 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,371 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,419 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,759 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,262 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,201 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,099 |
| Longest International Borders | 0 | - | 4.99 | 264,727 |
| Countries with Three Borders | 0 | - | 4.96 | 36,471 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,933 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,044 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,014 |
| Demonym of Every Country | 0 | - | 4.91 | 59,190 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,451 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,016 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,162 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,410 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,292 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,684 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,360 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,562 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,450 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,060 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,937 |
| Biggest City by Region | 0 | - | 4.50 | 36,136 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,063 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,162 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,334 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,196 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,385 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,355 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,828 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,447 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,029 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,587 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,073 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,819 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,707 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,340 |
| Island Countries | 0 | - | 4.99 | 709,938 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,507 |
| Northernmost Countries | 0 | - | 4.99 | 360,667 |
| Countries of South America | 0 | - | 5.00 | 923,514 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,874 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,718 |
| "Land" Countries | 0 | - | 4.98 | 335,900 |
| Top World Languages | 0 | - | 4.92 | 820,722 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,358 |
| Globe Grid | 0 | - | 4.32 | 31,985 |
| World Map Divided into Regions | 0 | - | 4.18 | 41,721 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,208 |
