| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,098 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,207 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,432 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,508 |
| Countries with Megacities | 0 | - | 4.99 | 263,541 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,358 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,273 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,638 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,312 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,969 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,408 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,080 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,904 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,733 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,841 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,928 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,406 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,558 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,092 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,981 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,600 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,140 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,390 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,971 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,856 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,549 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,956 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,765 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,076 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,551 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,668 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,403 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,866 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,258 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,759 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,664 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,226 |
| Boundary Waters | 0 | - | 4.92 | 88,478 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,174 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,109 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,476 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,476 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,432 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,872 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,649 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,618 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,466 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,915 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,176 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,327 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,901 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,575 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,441 |
| Largest City by Island | 0 | - | 4.87 | 71,889 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,019 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,984 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,553 |
| Megacities on a World Map | 0 | - | 4.98 | 254,640 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,362 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,963 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,722 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,834 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,413 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,023 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,307 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,205 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,768 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,264 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,552 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,267 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,992 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,145 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,325 |
| Most Populous Islands | 0 | - | 4.80 | 122,942 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,303 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,536 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,826 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,229 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,430 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,936 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,885 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,363 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,847 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,446 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,307 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,972 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,276 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,034 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,103 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,825 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,440 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,012 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,759 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,472,304 |
| Landlocked Countries | 0 | - | 4.99 | 420,695 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,751 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,616 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,849 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,518 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,699 |
| Population Trivia | 0 | - | 4.32 | 27,495 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,451 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,589 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,091 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,994 |
| Biggest City by Region | 0 | - | 4.50 | 36,229 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,145 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,919 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,541 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,418 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,835 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,191 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,355 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,273 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,385 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,418 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,467 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,975 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,804 |
| Himalayan Countries | 0 | - | 4.95 | 138,151 |
| Andean Countries | 0 | - | 4.95 | 84,295 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,522 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,388 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,152 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,592 |
| Danube Countries | 0 | - | 4.97 | 71,850 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,821 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,257 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,012 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,464 |
| European Landlocked Countries | 0 | - | 4.99 | 146,987 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,402 |
| Countries with the Most Species | 0 | - | 4.99 | 103,105 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,554 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,513 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,665 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,454 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,128 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,518 |
| Countries in the Alps | 0 | - | 4.87 | 117,978 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,732 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,747 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,554 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,466 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,334 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,839 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,488 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,357 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,086 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,711 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,427 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,082 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,361 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,377 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,578 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,701 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,837 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,262 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,712 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,122 |
| Largest Countries By Category | 0 | - | 4.97 | 157,954 |
| Countries by Countries | 0 | - | 4.97 | 63,029 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,483 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,223 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,517 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,122 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,822 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,523 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,685 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,580 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,799 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,370 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,447 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,630 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,200 |
| Longest International Borders | 0 | - | 4.99 | 264,964 |
| Countries with Three Borders | 0 | - | 4.96 | 36,539 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,022 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,140 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,041 |
| Demonym of Every Country | 0 | - | 4.91 | 60,250 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,316 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,768 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,432 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,609 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,468 |
| Biggest Cities in History | 0 | - | 4.52 | 90,168 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,552 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,340 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,326 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,460 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,415 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,631 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,831 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,906 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,270 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,472 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,401 |
