| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,372 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,525 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,969 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,202 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,712 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,701 |
| Find the City #1 | 0 | - | 4.97 | 43,058 |
| Subdivisions by Country | 0 | - | 4.87 | 50,469 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,459 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,716 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 113,241 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,229 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,488 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,292 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,010 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,373 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,910 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,837,899 |
| World Capitals by Map | 0 | - | 5.00 | 287,830 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,549 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,373 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,945 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 126,781 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,597 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,472 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,778 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,588 |
| African East Coast | 0 | - | 4.96 | 96,388 |
| Regions of Countries #4 | 0 | - | 4.49 | 57,358 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,087 |
| Boundary Waters | 0 | - | 4.92 | 88,616 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,289 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,364 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,866 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,693 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,662 |
| Pixelated World Map | 0 | - | 5.00 | 143,730 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,127 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,498 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,637 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,723 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,441 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,077 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,652 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,045 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,949 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,740 |
| Who Controls It? #2 | 0 | - | 4.78 | 31,302 |
| Who Controls It? #3 | 0 | - | 4.58 | 19,649 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 176,292 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,647,214 |
| Landlocked Countries | 0 | - | 4.99 | 422,793 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,272 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,629 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 308,394 |
| Seas on the World Map | 0 | - | 4.96 | 135,621 |
| Seas of the World | 0 | - | 5.00 | 157,591 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,916 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,746 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,752 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,103 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,521 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,538 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,308 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,923 |
| Himalayan Countries | 0 | - | 4.95 | 139,089 |
| Andean Countries | 0 | - | 4.93 | 84,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,058 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,166 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,637 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,953 |
| Danube Countries | 0 | - | 4.97 | 72,114 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,158 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,520 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,490 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,988 |
| European Landlocked Countries | 0 | - | 4.99 | 147,252 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,799 |
| Countries with the Most Species | 0 | - | 4.99 | 103,327 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,923 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,640 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,758 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,337 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,756 |
| Countries in the Alps | 0 | - | 4.87 | 118,334 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,636 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,231 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,734 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,688 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,610 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,014 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,775 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,582 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,702 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,580 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,310 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,549 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,616 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,104 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,380 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,594 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,384 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,371 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,297 |
| Largest Countries By Category | 0 | - | 4.97 | 158,364 |
| Countries by Countries | 0 | - | 4.96 | 63,334 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,798 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,314 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,588 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,421 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,866 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,105 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,764 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,464 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,770 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,880 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,573 |
| Most Populous U.S. Counties | 0 | - | 4.13 | 25,069 |
| Most Populous City by U.S. County | 0 | - | 4.35 | 20,111 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,211 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,349 |
| Longest International Borders | 0 | - | 4.99 | 265,342 |
| Countries with Three Borders | 0 | - | 4.96 | 36,646 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,167 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,282 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,649 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,321 |
| Largest Arctic Islands with a Map | 0 | - | 4.47 | 20,642 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,121 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,181 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,093 |
| Demonym of Every Country | 0 | - | 4.91 | 60,884 |
| Most Populous County In Each U.S. State | 0 | - | 4.50 | 5,927 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,345 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,884 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,539 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,343 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,172 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,663 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,309 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,755 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,833 |
| Island Countries | 0 | - | 4.99 | 711,330 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,664 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,516 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,911 |
| Northernmost Countries | 0 | - | 4.99 | 362,360 |
| Countries of South America | 0 | - | 5.00 | 928,515 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,383 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,795 |
| "Land" Countries | 0 | - | 4.98 | 337,573 |
| Top World Languages | 0 | - | 4.92 | 825,572 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,587 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,648 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,141 |
| Countries with Megacities | 0 | - | 4.99 | 265,155 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,957 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,605 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,220 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,675 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,659 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,629 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,772 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,627 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,481 |
| Countries by Capital City | 0 | - | 5.00 | 68,769 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,452 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,890 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,482 |
| Moved Capital Cities | 0 | - | 4.96 | 74,405 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,673 |
| Countries by Official Language | 0 | - | 4.95 | 195,420 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,608 |
| Countries in their Native Language | 0 | - | 4.99 | 199,202 |
| Independence from Whom | 0 | - | 4.99 | 212,293 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,870 |
| Megadiverse Countries | 0 | - | 4.96 | 135,081 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,229 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,399 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,277 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,135 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,234 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,644 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,579 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,401 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,701 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,174 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,859 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,935 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,252 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,006 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,402 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,536 |
| World Map Quiz | 0 | - | 4.81 | 65,209 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,429 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 146,540 |
