| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,559 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,523 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,018 |
| Countries with Megacities | 0 | - | 4.99 | 246,579 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,948 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,817 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,386 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,764 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,560 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,497 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,039 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,650 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,083 |
| Boundary Waters | 0 | - | 4.92 | 88,026 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,243 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,240 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,815 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,086 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,784 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,841 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,830 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,447 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,552 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,213 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,606 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,601 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,794 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,805 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,925 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,452 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,487 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,536 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,025 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,133 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,720 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,643 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,487 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,492 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,213 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,704 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,948 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,165 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,118 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,274 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,871 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,363 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,545 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,262 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,378 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,807 |
| Largest City by Island | 0 | - | 4.87 | 71,010 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,506 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,545 |
| Megacities on a World Map | 0 | - | 4.98 | 250,835 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,773 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,835 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,653 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,115 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,412 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,250 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,229 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,572 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,538 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,773 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,172 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,078 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,047 |
| Most Populous Islands | 0 | - | 4.79 | 121,957 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,197 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,400 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,602 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,837 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,051 |
| Landlocked Countries | 0 | - | 4.99 | 413,345 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,278 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,914 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,897,318 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,145 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,969 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,857 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,930 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,800 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,959 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,810 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,348 |
| Population Trivia | 0 | - | 4.32 | 27,419 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,117 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,972 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,258 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,552 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,473 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,277 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,562 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,465 |
| Himalayan Countries | 0 | - | 4.95 | 135,252 |
| Andean Countries | 0 | - | 4.94 | 82,771 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,181 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,125 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,851 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,558 |
| Danube Countries | 0 | - | 4.97 | 71,055 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,511 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,409 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,334 |
| European Landlocked Countries | 0 | - | 4.99 | 145,722 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,158 |
| Countries with the Most Species | 0 | - | 4.99 | 95,229 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,297 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,945 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,553 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,924 |
| Countries in the Alps | 0 | - | 4.86 | 116,777 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,529 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,200 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,988 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,397 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,121 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,974 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,538 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,728 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,144 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,028 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,026 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,423 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,715 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,728 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,009 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,617 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,740 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,124 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,550 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,578 |
| Largest Countries By Category | 0 | - | 4.97 | 156,708 |
| Countries by Countries | 0 | - | 4.96 | 62,233 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,335 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,954 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,319 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,577 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,078 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,729 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,681 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,475 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,530 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,224 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,331 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,603 |
| Longest International Borders | 0 | - | 4.99 | 263,496 |
| Countries with Three Borders | 0 | - | 4.96 | 36,168 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,588 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,646 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,849 |
| Demonym of Every Country | 0 | - | 4.91 | 58,618 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,112 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,903 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,698 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,202 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,205 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,379 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,010 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,428 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,886 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,892 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,680 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,892 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,906 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,248 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,933 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,522 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,104 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,404 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,539 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,749 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,400 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,030 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,666 |
| Island Countries | 0 | - | 4.99 | 707,511 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,106 |
| Northernmost Countries | 0 | - | 4.99 | 357,574 |
| Countries of South America | 0 | - | 5.00 | 914,246 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,855 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,333 |
| "Land" Countries | 0 | - | 4.98 | 333,567 |
| Top World Languages | 0 | - | 4.92 | 812,769 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,156 |
| Globe Grid | 0 | - | 4.32 | 31,931 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,304 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,457 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,352 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,855 |
