| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,608 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,605 |
| Countries with Megacities | 0 | - | 4.99 | 199,797 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,395 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,994 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 96,995 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,962 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,565 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,258 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,402 |
| Biggest Cities in the World | 0 | - | 4.90 | 694,912 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,346 |
| Demographics Multiple Choice | 0 | - | 4.65 | 40,004 |
| Boundary Waters | 0 | - | 4.93 | 81,561 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,749 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 46,111 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,017 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,560 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,780 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,812 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,820 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,861 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,369 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,952 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,202 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,124 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,075 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,184 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 97,885 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,912 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,525 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,136 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,728 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,292 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,709 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,000 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,096 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,085 |
| Biggest Cities in the United States | 0 | - | 4.93 | 841,706 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,799 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,563 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,265 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,756 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,039 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,516 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 81,691 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,268 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,790 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,400 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,605 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,078 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,131 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,564 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,732 |
| Megacities on a World Map | 0 | - | 4.98 | 222,283 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,377 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,070 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,556 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,243 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,515 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,270 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,027 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,559 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,972 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,291 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,586 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,760 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 146,902 |
| Most Populous Islands | 0 | - | 4.71 | 113,394 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,467 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,787 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,068 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 518,758 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,739 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.90 | 7,093 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,369,491 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,853 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 84,757 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,730 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 162,734 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,173 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,796 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,083 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,045 |
| Population Trivia | 0 | - | 4.35 | 26,399 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,076 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,772 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,999 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,984 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,224 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,417 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,835 |
| Members of the Arab League | 0 | - | 4.85 | 64,522 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,863 |
| Himalayan Countries | 0 | - | 4.95 | 106,796 |
| Andean Countries | 0 | - | 4.91 | 59,399 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,455 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,232 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,596 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,516 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,820 |
| Danube Countries | 0 | - | 4.96 | 56,975 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,994 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,100 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,016 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,932 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,204 |
| European Landlocked Countries | 0 | - | 4.99 | 136,398 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,338 |
| Countries with the Most Species | 0 | - | 4.99 | 89,694 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,847 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,875 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,164 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,695 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,656 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,929 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,533 |
| Countries in the Alps | 0 | - | 4.84 | 103,290 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,910 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,354 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,953 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,003 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,472 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,977 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,123 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,488 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,071 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,829 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,804 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,860 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,183 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,344 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,911 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,365 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,663 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,731 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,375 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,113 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,573 |
| Largest Countries By Category | 0 | - | 4.97 | 145,733 |
| Countries by Countries | 0 | - | 4.96 | 55,137 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,391 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,970 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,919 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,941 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,321 |
| Western Europe Map Quiz | 0 | - | 4.86 | 89,365 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,143 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,690 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,260 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,510 |
| Longest International Borders | 0 | - | 4.99 | 235,280 |
| Countries with Three Borders | 0 | - | 4.96 | 31,791 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,401 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,760 |
| Demonym of Every Country | 0 | - | 4.90 | 50,218 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,934 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,177 |
| World Capitals Quiz | 0 | - | 5.00 | 4,536,066 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,123,851 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,193,300 |
| The Same Prefixes - Geography | 0 | - | 4.51 | 42,645 |
| "Second Best" Geography Edition #1 | 0 | - | 4.65 | 58,870 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,660 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,071 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,224 |
| Biggest City by Region | 0 | - | 4.50 | 33,873 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,717 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,519 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,345 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,225 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,113 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,130 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,266 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,757 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,554 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,188 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,889 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,396,062 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,022 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,104 |
| Island Countries Quiz | 0 | - | 4.99 | 664,780 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,306 |
| Northernmost Countries | 0 | - | 4.99 | 329,297 |
| Countries of South America | 0 | - | 5.00 | 802,313 |
| Countries of Oceania | 0 | - | 5.00 | 904,140 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,592,763 |
| Top World Languages | 0 | - | 4.92 | 716,044 |
| Analogies of Countries #1 | 0 | - | 4.88 | 62,285 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,828 |
| Largest Deserts in the World | 0 | - | 4.03 | 41,446 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,258 |
| World Map Divided into Regions | 0 | - | 4.18 | 35,928 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,220 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,719 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,450 |
| Biggest Cities in Europe | 0 | - | 4.76 | 469,767 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,102 |
| Biggest City by Island | 0 | - | 4.57 | 45,951 |
