| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,528 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,756 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,097 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,684 |
| Countries with Megacities | 0 | - | 4.99 | 249,791 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,520 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,788 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,855 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,774 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,918 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,370 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,573 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,769 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,195 |
| Boundary Waters | 0 | - | 4.92 | 88,333 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,046 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,808 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,036 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,268 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,193 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,567 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,431 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,184 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,542 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,192 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,249 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,811 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,341 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,689 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,781 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,721 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,367 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,223 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,089 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,302 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,560 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,670 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,141 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,251 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,638 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,984 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,200 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,251 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,805 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,235 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,441 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,071 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,587 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,883 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,063 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,757 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,865 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,803 |
| Largest City by Island | 0 | - | 4.87 | 71,559 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,685 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,515 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,135 |
| Megacities on a World Map | 0 | - | 4.98 | 252,842 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,130 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,574 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,958 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,954 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,561 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,017 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,007 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,040 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,106 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,372 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,999 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,679 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,788 |
| Most Populous Islands | 0 | - | 4.80 | 122,716 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,264 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,483 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,740 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,081 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,366 |
| Landlocked Countries | 0 | - | 4.99 | 417,961 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,526 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,255 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,263,746 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,459 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,520 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,175 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,273 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,794 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,113 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,953 |
| Population Trivia | 0 | - | 4.32 | 27,466 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,590 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,581 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,402 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,812 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,887 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,684 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,504 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,510 |
| Himalayan Countries | 0 | - | 4.94 | 137,000 |
| Andean Countries | 0 | - | 4.95 | 83,721 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,967 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,328 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,646 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,218 |
| Danube Countries | 0 | - | 4.97 | 71,559 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,403 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,971 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,464 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,520 |
| European Landlocked Countries | 0 | - | 4.99 | 146,620 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,988 |
| Countries with the Most Species | 0 | - | 4.99 | 102,697 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,123 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,387 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,244 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,907 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,293 |
| Countries in the Alps | 0 | - | 4.86 | 117,535 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,034 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,178 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,353 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,882 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,985 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,380 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,151 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,104 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,909 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,468 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,429 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,288 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,847 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,113 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,136 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,986 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,990 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,514 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,396 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,803 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,979 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,922 |
| Largest Countries By Category | 0 | - | 4.97 | 157,485 |
| Countries by Countries | 0 | - | 4.96 | 62,751 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,068 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,127 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,449 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,185 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,559 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,233 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,272 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,709 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,151 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,366 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,860 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,007 |
| Longest International Borders | 0 | - | 4.99 | 264,516 |
| Countries with Three Borders | 0 | - | 4.96 | 36,407 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,861 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,953 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,980 |
| Demonym of Every Country | 0 | - | 4.91 | 59,061 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,373 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,210 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,208 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,407 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,274 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,622 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,300 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,419 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,328 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,027 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,890 |
| Biggest City by Region | 0 | - | 4.50 | 36,100 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,028 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,135 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,308 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,136 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,340 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,272 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,749 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,352 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,534 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,350 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,647 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,913 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,333 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,595 |
| Island Countries | 0 | - | 4.99 | 709,340 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,955 |
| Northernmost Countries | 0 | - | 4.99 | 360,031 |
| Countries of South America | 0 | - | 5.00 | 921,656 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,455 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,271 |
| "Land" Countries | 0 | - | 4.98 | 335,542 |
| Top World Languages | 0 | - | 4.92 | 819,127 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,312 |
| Globe Grid | 0 | - | 4.32 | 31,973 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,638 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,053 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,960 |
