| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,668 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,053 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,254 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,377 |
| Countries with Megacities | 0 | - | 4.99 | 247,139 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,225 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,046 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,656 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,958 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,405 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,741 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,649 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,662 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,094 |
| Boundary Waters | 0 | - | 4.92 | 88,059 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,823 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,313 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,329 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,857 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,758 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,135 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,869 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,984 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,919 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,512 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,638 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,310 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,677 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,728 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,013 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,897 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,111 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,515 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,546 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,616 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,070 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,192 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,767 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,705 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,560 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,736 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,997 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,879 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,167 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,279 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,167 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,377 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,983 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,436 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,627 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,322 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,531 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,880 |
| Largest City by Island | 0 | - | 4.87 | 71,067 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,401 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,573 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,860 |
| Megacities on a World Map | 0 | - | 4.98 | 251,044 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,815 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,892 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,812 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,184 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,516 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,331 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,311 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,640 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,591 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,842 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,247 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,151 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,156 |
| Most Populous Islands | 0 | - | 4.79 | 122,004 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,622 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,861 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,391 |
| Landlocked Countries | 0 | - | 4.99 | 413,781 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,426 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,954 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,934,279 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,174 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,022 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,022 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,043 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,885 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,020 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,834 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,436 |
| Population Trivia | 0 | - | 4.32 | 27,425 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,162 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,069 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,394 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,577 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,535 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,310 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,629 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,660 |
| Himalayan Countries | 0 | - | 4.95 | 135,425 |
| Andean Countries | 0 | - | 4.94 | 82,854 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,243 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,243 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,932 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,627 |
| Danube Countries | 0 | - | 4.97 | 71,097 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,779 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,549 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,520 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,436 |
| European Landlocked Countries | 0 | - | 4.99 | 145,769 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,235 |
| Countries with the Most Species | 0 | - | 4.99 | 95,248 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,373 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,203 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,372 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,967 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,582 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,962 |
| Countries in the Alps | 0 | - | 4.86 | 116,850 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,583 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,281 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,021 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,435 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,190 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,020 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,598 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,772 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,368 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,079 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,200 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,051 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,461 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,765 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,765 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,106 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,660 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,260 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,788 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,386 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,722 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,611 |
| Largest Countries By Category | 0 | - | 4.97 | 156,787 |
| Countries by Countries | 0 | - | 4.96 | 62,270 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,414 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,968 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,336 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,734 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,122 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,783 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,730 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,493 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,569 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,242 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,466 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,636 |
| Longest International Borders | 0 | - | 4.99 | 263,556 |
| Countries with Three Borders | 0 | - | 4.96 | 36,190 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,610 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,689 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,865 |
| Demonym of Every Country | 0 | - | 4.91 | 58,658 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,143 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,146 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,765 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,718,521 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,216 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,408 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,042 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 107,598 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,935 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,911 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,713 |
| Biggest City by Region | 0 | - | 4.50 | 36,001 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,907 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,023 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,227 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,929 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,262 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,973 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,544 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,128 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,532 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,629 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,827 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,528 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,168 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,936 |
| Island Countries | 0 | - | 4.99 | 707,692 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,680 |
| Northernmost Countries | 0 | - | 4.99 | 357,823 |
| Countries of South America | 0 | - | 5.00 | 915,103 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,878 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,006 |
| "Land" Countries | 0 | - | 4.98 | 333,694 |
| Top World Languages | 0 | - | 4.92 | 813,368 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,168 |
| Globe Grid | 0 | - | 4.32 | 31,935 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,332 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,537 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,410 |
