| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,022 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,248 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,390 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,754 |
| Countries with Megacities | 0 | - | 4.99 | 247,875 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,630 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,267 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,018 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,216 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,132 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,151 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,010 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,693 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,127 |
| Boundary Waters | 0 | - | 4.92 | 88,113 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,879 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,444 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,519 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,957 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,864 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,247 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,098 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,383 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,098 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,590 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,876 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,462 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,911 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,040 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,563 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,142 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,876 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,777 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,710 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,809 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,231 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,317 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,867 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,876 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,778 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,387 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,712 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,253 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,526 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,495 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,236 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,575 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,131 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,553 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,746 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,378 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,942 |
| Biggest Cities by Language | 0 | - | 4.96 | 242,732 |
| Largest City by Island | 0 | - | 4.87 | 71,192 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,486 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,726 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,583 |
| Megacities on a World Map | 0 | - | 4.98 | 251,526 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,916 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,042 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,104 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,374 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,683 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,467 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,397 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,753 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,664 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,921 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,366 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,298 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,330 |
| Most Populous Islands | 0 | - | 4.79 | 122,073 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,220 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,429 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,653 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,915 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,181 |
| Landlocked Countries | 0 | - | 4.99 | 414,829 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,328 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,029 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,015,826 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,249 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,141 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,287 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,238 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,079 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,114 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,903 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,578 |
| Population Trivia | 0 | - | 4.32 | 27,436 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,264 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,203 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,743 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,640 |
| Megacities on an Empty Map | 0 | - | 4.96 | 108,930 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,421 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,737 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,078 |
| Himalayan Countries | 0 | - | 4.95 | 135,791 |
| Andean Countries | 0 | - | 4.94 | 83,074 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,407 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,499 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,107 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,768 |
| Danube Countries | 0 | - | 4.97 | 71,212 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,932 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,660 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,755 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,662 |
| European Landlocked Countries | 0 | - | 4.99 | 145,903 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,415 |
| Countries with the Most Species | 0 | - | 4.99 | 95,313 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,567 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,244 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,417 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,031 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,675 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,041 |
| Countries in the Alps | 0 | - | 4.86 | 117,030 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,702 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,487 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,125 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,532 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,318 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,105 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,729 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,859 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,639 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,166 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,243 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,112 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,569 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,847 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,847 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,338 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,756 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,329 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,967 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,949 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,057 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,693 |
| Largest Countries By Category | 0 | - | 4.97 | 156,940 |
| Countries by Countries | 0 | - | 4.96 | 62,396 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,578 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,003 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,365 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,125 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,232 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,884 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,837 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,526 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,661 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,275 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,747 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,706 |
| Longest International Borders | 0 | - | 4.99 | 264,018 |
| Countries with Three Borders | 0 | - | 4.96 | 36,265 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,670 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,762 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,901 |
| Demonym of Every Country | 0 | - | 4.91 | 58,749 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,205 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,695 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,643 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,563 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,225 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,465 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,095 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,550 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,040 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,938 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,772 |
| Biggest City by Region | 0 | - | 4.50 | 36,028 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,940 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,059 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,248 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,974 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,285 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,039 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,602 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,189 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,799 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,811 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,051 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,803 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,555 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,463 |
| Island Countries | 0 | - | 4.99 | 708,087 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,091 |
| Northernmost Countries | 0 | - | 4.99 | 358,416 |
| Countries of South America | 0 | - | 5.00 | 916,915 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,038 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,508 |
| "Land" Countries | 0 | - | 4.98 | 333,964 |
| Top World Languages | 0 | - | 4.92 | 814,717 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,207 |
| Globe Grid | 0 | - | 4.32 | 31,948 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,404 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,649 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,570 |
