| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,363 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,629 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,421 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,454 |
| Countries with Megacities | 0 | - | 4.99 | 249,354 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,309 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,648 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,630 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,621 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,727 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,051 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,655 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,745 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,178 |
| Boundary Waters | 0 | - | 4.92 | 88,271 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,999 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,702 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,905 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,179 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,090 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,473 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,342 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,024 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,422 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,128 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,156 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,702 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,244 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,523 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,490 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,570 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,012 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,114 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,009 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,190 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,493 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,550 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,083 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,162 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,398 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,631 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,830 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,000 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,494 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,031 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,367 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,951 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,465 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,797 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,960 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,659 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,661 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,621 |
| Largest City by Island | 0 | - | 4.87 | 71,479 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,642 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,247 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,045 |
| Megacities on a World Map | 0 | - | 4.98 | 252,525 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,060 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,445 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,758 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,834 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,118 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,878 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,866 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 90,389 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,995 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,265 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,848 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,574 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,669 |
| Most Populous Islands | 0 | - | 4.80 | 122,648 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,253 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,472 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,715 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,049 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,823 |
| Landlocked Countries | 0 | - | 4.99 | 417,160 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,285 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,206 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,203,152 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,413 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,424 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,897 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,731 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,575 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,410 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,062 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,864 |
| Population Trivia | 0 | - | 4.32 | 27,456 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,502 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,489 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,252 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,776 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,658 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,622 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,386 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,177 |
| Himalayan Countries | 0 | - | 4.95 | 136,734 |
| Andean Countries | 0 | - | 4.95 | 83,587 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,847 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,136 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,504 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,108 |
| Danube Countries | 0 | - | 4.97 | 71,478 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,291 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,890 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,278 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,267 |
| European Landlocked Countries | 0 | - | 4.99 | 146,180 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,852 |
| Countries with the Most Species | 0 | - | 4.99 | 102,310 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,984 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,352 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,533 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,201 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,846 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,224 |
| Countries in the Alps | 0 | - | 4.86 | 117,409 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,954 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,019 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,294 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,794 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,891 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,313 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,057 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,030 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,852 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,389 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,388 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,228 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,779 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,039 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,047 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,819 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,929 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,458 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,294 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,294 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,723 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,867 |
| Largest Countries By Category | 0 | - | 4.97 | 157,347 |
| Countries by Countries | 0 | - | 4.96 | 62,652 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,941 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,100 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,917 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,446 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,137 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,169 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,669 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,024 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,338 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,525 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,933 |
| Longest International Borders | 0 | - | 4.99 | 264,383 |
| Countries with Three Borders | 0 | - | 4.96 | 36,373 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,814 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,904 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,967 |
| Demonym of Every Country | 0 | - | 4.91 | 58,978 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,345 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,863 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,538 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,430 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,259 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,592 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,251 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,334 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,264 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,004 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,866 |
| Biggest City by Region | 0 | - | 4.50 | 36,078 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,015 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,117 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,298 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,104 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,327 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,213 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,719 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,307 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,349 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,217 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,503 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,101 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,046 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,144 |
| Island Countries | 0 | - | 4.99 | 709,045 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,961 |
| Northernmost Countries | 0 | - | 4.99 | 359,652 |
| Countries of South America | 0 | - | 5.00 | 920,396 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,901 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,461 |
| "Land" Countries | 0 | - | 4.98 | 335,026 |
| Top World Languages | 0 | - | 4.92 | 818,067 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,281 |
| Globe Grid | 0 | - | 4.32 | 31,963 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,584 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,946 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,877 |
