| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,135 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,442 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,457 |
| Countries with Megacities | 0 | - | 4.99 | 267,759 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,109 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,313 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,438 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,417 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,780 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,900 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,805 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,053 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,412 |
| Boundary Waters | 0 | - | 4.92 | 88,826 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,454 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,814 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,522 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,050 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,072 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,561 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,445 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,492 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,794 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,988 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,347 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,707 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,073 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,152 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,935 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,769 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,629 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,493 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,925 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,365 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,073 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,703 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,825 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,290 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,538 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,691 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,077 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,850 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,436 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,544 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,583 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,963 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,535 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,822 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,870 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,021 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,248 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,760 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,824 |
| Largest City by Island | 0 | - | 4.87 | 72,553 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,479 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,827 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,232 |
| Megacities on a World Map | 0 | - | 4.98 | 257,380 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,826 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,821 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,730 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,343 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,825 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,990 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,997 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,599 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,274 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,566 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,915 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,853 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,788 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,099 |
| Most Populous Islands | 0 | - | 4.80 | 123,423 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,400 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,671 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,015 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,540 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,716 |
| Landlocked Countries | 0 | - | 4.99 | 427,100 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,485 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,880 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,956,210 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,979 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,495 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,876 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,414 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,244 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,069 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,962 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,090 |
| Population Trivia | 0 | - | 4.32 | 27,589 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,681 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,107 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,322 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,478 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,340 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,584 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,344 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,849 |
| Himalayan Countries | 0 | - | 4.93 | 140,755 |
| Andean Countries | 0 | - | 4.94 | 85,764 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,886 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,443 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,442 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,666 |
| Danube Countries | 0 | - | 4.97 | 72,524 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,768 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,958 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,403 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,879 |
| European Landlocked Countries | 0 | - | 4.99 | 147,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,514 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,611 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,807 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,945 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,910 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,666 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,942 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,946 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,088 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,154 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,105 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,373 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,567 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,503 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,301 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,946 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,820 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,660 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,907 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,011 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,110 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,714 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,327 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,820 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,221 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,448 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,603 |
| Largest Countries By Category | 0 | - | 4.97 | 159,059 |
| Countries by Countries | 0 | - | 4.97 | 63,792 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,414 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,702 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,359 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,536 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,209 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,562 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,021 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,873 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,653 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,360 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,640 |
| Longest International Borders | 0 | - | 4.99 | 265,970 |
| Countries with Three Borders | 0 | - | 4.96 | 36,823 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,418 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,557 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,205 |
| Demonym of Every Country | 0 | - | 4.90 | 61,617 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,803 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,258 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,600 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,263 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,404 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,062 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,737 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,217 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,190 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,178 |
| Biggest City by Region | 0 | - | 4.50 | 36,415 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,366 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,458 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,602 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,597 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,853 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,361 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,021 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,037 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,898 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,686 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,127 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,877 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,998 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,254 |
| Island Countries | 0 | - | 4.99 | 712,939 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,968 |
| Northernmost Countries | 0 | - | 4.99 | 364,517 |
| Countries of South America | 0 | - | 5.00 | 934,033 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,172 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,466 |
| "Land" Countries | 0 | - | 4.98 | 338,923 |
| Top World Languages | 0 | - | 4.92 | 831,051 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,770 |
| Globe Grid | 0 | - | 4.32 | 32,044 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,220 |
