| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,998 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,219 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,281 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,297 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,252 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,718 |
| Countries with Megacities | 0 | - | 4.99 | 247,791 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,579 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,244 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,967 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,192 |
| Subdivisions by Country | 0 | - | 4.86 | 50,115 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,880 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,081 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,816 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,235 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,082 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,343 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,074 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,580 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,861 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,446 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,878 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,988 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,486 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,106 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,792 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,747 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,677 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,781 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,206 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,295 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,847 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,854 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,728 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,271 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,448 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,211 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,125 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,454 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,459 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,224 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,543 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,112 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,531 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,730 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,892 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,716 |
| Largest City by Island | 0 | - | 4.87 | 71,169 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,473 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,707 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,517 |
| Megacities on a World Map | 0 | - | 4.98 | 251,452 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,034 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,899 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,004 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,056 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,347 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,658 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,454 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,388 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,915 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,355 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,008 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,354 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,394 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,632 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,559 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,278 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,812 |
| Boundary Waters | 0 | - | 4.92 | 88,100 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,869 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,425 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,939 |
| Most Populous Islands | 0 | - | 4.79 | 122,064 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,217 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,428 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,238 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,207 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,043 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,103 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,649 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,889 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,555 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,907 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,249 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,019 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,190 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,700 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,627 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,603 |
| Megacities on an Empty Map | 0 | - | 4.96 | 104,478 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,404 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,715 |
| States of India | 0 | - | 4.94 | 190,785 |
| Japanese Prefectures | 0 | - | 4.98 | 135,008 |
| Regions of New Zealand | 0 | - | 4.85 | 28,256 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,462 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,503 |
| Provinces of Turkey | 0 | - | 4.95 | 201,987 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,992 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,167 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,004,668 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,420 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,026 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,020 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,934 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,768 |
| Biggest City by Region | 0 | - | 4.50 | 36,024 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,938 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,591 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,178 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,755 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,777 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,057 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,247 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,966 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,011 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,279 |
| Landlocked Countries | 0 | - | 4.99 | 414,663 |
| States of Mexico | 0 | - | 4.95 | 173,796 |
| States of Brazil | 0 | - | 4.98 | 86,655 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,125 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,236 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,116 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,198 |
| Population Trivia | 0 | - | 4.32 | 27,432 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,444 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,561 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,489 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,832 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,963 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,703 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,633 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,795 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,025 |
| Himalayan Countries | 0 | - | 4.95 | 135,724 |
| Andean Countries | 0 | - | 4.94 | 83,037 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,384 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,460 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,083 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,745 |
| Danube Countries | 0 | - | 4.97 | 71,188 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,910 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,721 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,620 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,378 |
| Countries with the Most Species | 0 | - | 4.99 | 95,302 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,544 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,408 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,660 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,029 |
| Countries in the Alps | 0 | - | 4.86 | 116,994 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,687 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,465 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,112 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,515 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,303 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,706 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,606 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,103 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,548 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,830 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,306 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,742 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,954 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,887 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,009 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,918 |
| Countries by Countries | 0 | - | 4.96 | 62,374 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,555 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,361 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,867 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,315 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,817 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,523 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,633 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,270 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,735 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,715 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,702 |
| Longest International Borders | 0 | - | 4.99 | 263,989 |
| Countries with Three Borders | 0 | - | 4.96 | 36,254 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,654 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,752 |
