| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,104 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,140 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,240 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,409 |
| Countries with Megacities | 0 | - | 4.99 | 267,628 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,052 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,279 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,394 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,382 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,473 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,829 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,594 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,045 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,406 |
| Boundary Waters | 0 | - | 4.92 | 88,820 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,440 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,787 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,475 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,032 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,055 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,539 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,424 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,440 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,778 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,968 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,325 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,690 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,052 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,116 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,911 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,710 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,604 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,402 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,902 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,347 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,055 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,694 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,809 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,277 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,516 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,622 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,010 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,567 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,356 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,469 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,551 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,953 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,503 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,795 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,850 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,001 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,238 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,727 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,793 |
| Largest City by Island | 0 | - | 4.87 | 72,534 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,472 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,800 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,218 |
| Megacities on a World Map | 0 | - | 4.98 | 257,309 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,818 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,794 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,678 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,337 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,792 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,951 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,973 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,589 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,257 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,910 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,832 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,773 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,060 |
| Most Populous Islands | 0 | - | 4.80 | 123,410 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,396 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,671 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,006 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,533 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,593 |
| Landlocked Countries | 0 | - | 4.99 | 426,901 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,998 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,868 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,942,283 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,972 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,478 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,816 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,365 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,202 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,038 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,952 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,065 |
| Population Trivia | 0 | - | 4.32 | 27,584 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,656 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,085 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,298 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,469 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,321 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,572 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,320 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,743 |
| Himalayan Countries | 0 | - | 4.93 | 140,667 |
| Andean Countries | 0 | - | 4.94 | 85,726 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,849 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,387 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,404 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,634 |
| Danube Countries | 0 | - | 4.97 | 72,513 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,736 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,939 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,363 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,820 |
| European Landlocked Countries | 0 | - | 4.99 | 147,703 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,625 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,575 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,802 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,935 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,899 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,655 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,103 |
| Countries in the Alps | 0 | - | 4.87 | 118,917 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,900 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,055 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,037 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,135 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,354 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,529 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,965 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,492 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,280 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,933 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,814 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,640 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,893 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,988 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,071 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,693 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,114 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,797 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,133 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,390 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,586 |
| Largest Countries By Category | 0 | - | 4.97 | 159,022 |
| Countries by Countries | 0 | - | 4.97 | 63,768 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,378 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,437 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,698 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,303 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,505 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,191 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,554 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,020 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,857 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,649 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,317 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,628 |
| Longest International Borders | 0 | - | 4.99 | 265,934 |
| Countries with Three Borders | 0 | - | 4.96 | 36,813 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,405 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,545 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,202 |
| Demonym of Every Country | 0 | - | 4.90 | 61,585 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,794 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,167 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,403 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,811 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,403 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,055 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,724 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,199 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,176 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,673 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,174 |
| Biggest City by Region | 0 | - | 4.50 | 36,412 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,361 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,322 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,456 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,594 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,592 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,845 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,351 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,014 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,978 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,856 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,649 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,393 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,953 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,153 |
| Island Countries | 0 | - | 4.99 | 712,869 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,739 |
| Northernmost Countries | 0 | - | 4.99 | 364,428 |
| Countries of South America | 0 | - | 5.00 | 933,740 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,797 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,836 |
| "Land" Countries | 0 | - | 4.98 | 338,840 |
| Top World Languages | 0 | - | 4.92 | 830,821 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,760 |
| Globe Grid | 0 | - | 4.32 | 32,042 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,206 |
