| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,069 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,104 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,027 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,338 |
| Countries with Megacities | 0 | - | 4.99 | 267,493 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,994 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,237 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,330 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,341 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,069 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,730 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,289 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,039 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,398 |
| Boundary Waters | 0 | - | 4.92 | 88,803 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,767 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,429 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,013 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,031 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,516 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,404 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,369 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,737 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,948 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,300 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,678 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,019 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,084 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,882 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,613 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,563 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,281 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,870 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,320 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,034 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,675 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,780 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,262 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,474 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,550 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,922 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,088 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,259 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,356 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,514 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,944 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,460 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,756 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,821 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,972 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,225 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,687 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,762 |
| Largest City by Island | 0 | - | 4.87 | 72,503 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,462 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,765 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,197 |
| Megacities on a World Map | 0 | - | 4.98 | 257,203 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,806 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,755 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,616 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,319 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,759 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,916 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,950 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,568 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,240 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,545 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,888 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,808 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,741 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,023 |
| Most Populous Islands | 0 | - | 4.80 | 123,385 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,391 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,659 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,999 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,520 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,416 |
| Landlocked Countries | 0 | - | 4.99 | 426,621 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,287 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,844 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,924,203 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,956 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,453 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,741 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,290 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,111 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,991 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,931 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,033 |
| Population Trivia | 0 | - | 4.32 | 27,581 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,621 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,054 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,264 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,457 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,291 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,560 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,300 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,592 |
| Himalayan Countries | 0 | - | 4.93 | 140,525 |
| Andean Countries | 0 | - | 4.94 | 85,639 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,778 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,248 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,333 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,566 |
| Danube Countries | 0 | - | 4.97 | 72,477 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,692 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,905 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,288 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,746 |
| European Landlocked Countries | 0 | - | 4.99 | 147,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,413 |
| Countries with the Most Species | 0 | - | 4.99 | 103,607 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,523 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,917 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,883 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,622 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,080 |
| Countries in the Alps | 0 | - | 4.87 | 118,866 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,815 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,013 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,017 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,103 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,043 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,330 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,479 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,926 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,475 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,244 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,920 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,790 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,621 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,856 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,954 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,016 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,664 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,702 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,761 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,978 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,319 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,560 |
| Largest Countries By Category | 0 | - | 4.97 | 158,957 |
| Countries by Countries | 0 | - | 4.97 | 63,719 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,341 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,427 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,202 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,476 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,160 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,528 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,012 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,847 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,633 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,253 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,609 |
| Longest International Borders | 0 | - | 4.99 | 265,895 |
| Countries with Three Borders | 0 | - | 4.96 | 36,805 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,387 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,525 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,195 |
| Demonym of Every Country | 0 | - | 4.90 | 61,555 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,788 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,046 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,941 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,195 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,401 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,045 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,710 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,176 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,151 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,672 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,171 |
| Biggest City by Region | 0 | - | 4.50 | 36,405 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,353 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,318 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,454 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,584 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,585 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,829 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,336 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,998 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,913 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,814 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,605 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,914 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,869 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,030 |
| Island Countries | 0 | - | 4.99 | 712,777 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,442 |
| Northernmost Countries | 0 | - | 4.99 | 364,313 |
| Countries of South America | 0 | - | 5.00 | 933,483 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,474 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,132 |
| "Land" Countries | 0 | - | 4.98 | 338,602 |
| Top World Languages | 0 | - | 4.92 | 830,553 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,753 |
| Globe Grid | 0 | - | 4.32 | 32,042 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,192 |
