| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,687 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,390 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,438 |
| Countries with Megacities | 0 | - | 4.99 | 247,251 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,283 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,089 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,707 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,010 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,563 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,778 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,773 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,668 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,098 |
| Boundary Waters | 0 | - | 4.92 | 88,062 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,828 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,322 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,346 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,863 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,769 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,144 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,879 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,020 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,939 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,656 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,330 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,692 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,740 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,044 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,918 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,153 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,535 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,558 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,633 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,080 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,200 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,774 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,718 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,574 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,789 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,169 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,929 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,195 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,302 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,174 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,402 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,007 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,457 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,642 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,336 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,561 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,893 |
| Largest City by Island | 0 | - | 4.87 | 71,073 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,413 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,588 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,982 |
| Megacities on a World Map | 0 | - | 4.98 | 251,088 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,821 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,901 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,846 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,198 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,536 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,348 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,662 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,605 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,856 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,263 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,173 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,176 |
| Most Populous Islands | 0 | - | 4.79 | 122,010 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,206 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,409 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,867 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,464 |
| Landlocked Countries | 0 | - | 4.99 | 413,855 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,659 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,964 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,941,952 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,184 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,033 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,036 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,064 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,897 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,025 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,843 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,452 |
| Population Trivia | 0 | - | 4.32 | 27,425 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,173 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,082 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,432 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,581 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,557 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,316 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,640 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,690 |
| Himalayan Countries | 0 | - | 4.95 | 135,451 |
| Andean Countries | 0 | - | 4.94 | 82,862 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,257 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,263 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,947 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,637 |
| Danube Countries | 0 | - | 4.97 | 71,100 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,793 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,559 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,531 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,454 |
| European Landlocked Countries | 0 | - | 4.99 | 145,781 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,245 |
| Countries with the Most Species | 0 | - | 4.99 | 95,255 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,390 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,205 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,376 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,971 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,592 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,967 |
| Countries in the Alps | 0 | - | 4.86 | 116,865 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,588 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,294 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,027 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,443 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,201 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,026 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,779 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,404 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,087 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,202 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,055 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,466 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,775 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,771 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,125 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,669 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,269 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,802 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,440 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,752 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,617 |
| Largest Countries By Category | 0 | - | 4.97 | 156,801 |
| Countries by Countries | 0 | - | 4.96 | 62,280 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,430 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,973 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,339 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,767 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,138 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,792 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,744 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,493 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,574 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,244 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,494 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,640 |
| Longest International Borders | 0 | - | 4.99 | 263,570 |
| Countries with Three Borders | 0 | - | 4.96 | 36,199 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,616 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,699 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,866 |
| Demonym of Every Country | 0 | - | 4.91 | 58,667 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,148 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,190 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,316 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,219 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,216 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,410 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,049 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 110,354 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,950 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,915 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,724 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,910 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,023 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,228 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,933 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,984 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,551 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,135 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,552 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,646 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,843 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,720 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,191 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,992 |
| Island Countries | 0 | - | 4.99 | 707,721 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,819 |
| Northernmost Countries | 0 | - | 4.99 | 357,876 |
| Countries of South America | 0 | - | 5.00 | 915,271 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,089 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,395 |
| "Land" Countries | 0 | - | 4.98 | 333,716 |
| Top World Languages | 0 | - | 4.92 | 813,463 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,173 |
| Globe Grid | 0 | - | 4.32 | 31,936 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,340 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,546 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,422 |
