| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,444 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,961 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,188 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,332 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,822 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,475 |
| Countries with Megacities | 0 | - | 4.99 | 263,462 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,316 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,257 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,611 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,293 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,137 |
| Find the City #1 | 0 | - | 4.97 | 42,800 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,700 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,433 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 112,599 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,946 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 147,099 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,093 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,116 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,606 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,210 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,715 |
| All Romance Languages on a Map | 0 | - | 4.98 | 73,002 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,798 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,362 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,932 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,173 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,896 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,722 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,820 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,913 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,395 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,545 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,089 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,963 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,568 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,088 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,371 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,901 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,835 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,536 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,925 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,721 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,060 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,520 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,648 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,356 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,538 |
| World Capitals by Map | 0 | - | 5.00 | 286,479 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,319 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,928 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,260 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,397 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,392 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,860 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,683 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,495 |
| African East Coast | 0 | - | 4.96 | 96,074 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,041 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,351 |
| Countries More Populous than All Their Neighbors Combined | 0 | - | 4.93 | 38,069 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,686 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,500 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,204 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,862 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,254 |
| Highest Fertility Countries with Exceptions | 0 | - | 4.95 | 21,340 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,556 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,937 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,821 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,636 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,611 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,451 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,901 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,162 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,319 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,891 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,559 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,411 |
| Largest City by Island | 0 | - | 4.87 | 71,876 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,002 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,967 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,535 |
| Megacities on a World Map | 0 | - | 4.98 | 254,562 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,236 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,352 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,946 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,686 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,782 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,509 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,822 |
| 1M Cities in Squares of the World Map | 0 | - | 4.83 | 34,442 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,391 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,006 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,291 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,199 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,757 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,253 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,544 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,256 |
| Pixelated World Map | 0 | - | 5.00 | 143,406 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,764 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,284 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,439 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,385 |
| Countries of the World in 1882 with a Map | 0 | - | 4.89 | 44,486 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,973 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,129 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,162 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 80,640 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,031 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,545 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,430 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,395 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,074 |
| Boundary Waters | 0 | - | 4.92 | 88,470 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,170 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,096 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,461 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,467 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,419 |
| Most Populous Islands | 0 | - | 4.80 | 122,935 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,302 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,534 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,908 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,865 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,342 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,839 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,820 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,436 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,286 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,224 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,957 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,422 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,254 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,011 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,096 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,735 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,425 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,992 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,746 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,094 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 233,960 |
| Find The Mystery Country Using Color Clues #2 | 0 | - | 4.43 | 142,942 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,182 |
| Seas on the World Map | 0 | - | 4.96 | 135,351 |
| Seas of the World | 0 | - | 5.00 | 156,923 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 175,832 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,678 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,233 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,463,760 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,693 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,442 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,577 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,087 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,987 |
| Biggest City by Region | 0 | - | 4.50 | 36,225 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,141 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,910 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,532 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,386 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,817 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,188 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,352 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,263 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,359 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,418 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,424 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,196 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,876 |
| Landlocked Countries | 0 | - | 4.99 | 420,577 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,403 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,238 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,544 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,265 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,951 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,928 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,611 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,839 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,512 |
| Population Trivia | 0 | - | 4.32 | 27,495 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,321 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,308 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,432 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,432 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,815 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,875 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,255 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,125 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,731 |
| Himalayan Countries | 0 | - | 4.95 | 138,100 |
| Andean Countries | 0 | - | 4.95 | 84,273 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,492 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,345 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,124 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,569 |
| Danube Countries | 0 | - | 4.97 | 71,836 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,803 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,243 |
