| Countries of Europe in 1444 | 0 | - | 4.93 | 88,623 |
| Countries of the World in 1444 | 0 | - | 4.98 | 50,975 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 50,496 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 41,224 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 40,555 |
| Countries of the World in 1900 | 0 | - | 4.88 | 68,442 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 173,572 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 130,702 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,169,201 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 40,680 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.98 | 42,994 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,882 |
| Find the City #1 | 0 | - | 4.97 | 35,434 |
| Independence from Whom | 0 | - | 4.99 | 189,293 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,583 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,877 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,601 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,347 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,333 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 91,543 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.86 | 53,413 |
| Countries by Founding Story | 0 | - | 4.93 | 55,882 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 115,770 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.83 | 67,603 |
| Top World Languages on a Map | 0 | - | 4.91 | 94,123 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 100,556 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,115,712 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.70 | 28,450 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,467,499 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.80 | 37,057 |
| Roman Provinces on a Map | 0 | - | 4.52 | 32,446 |
| 407 Islands on the World Map | 0 | - | 4.98 | 28,789 |
| Cities by Former Name | 0 | - | 4.84 | 83,730 |
| World Capitals by Map | 0 | - | 5.00 | 247,441 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 51,028 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 146,444 |
| All Countries by Northernmost Point on Land | 0 | - | 4.91 | 108,971 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.95 | 55,304 |
| Countries by Former Name | 0 | - | 4.99 | 115,546 |
| Historical City to Country | 0 | - | 4.82 | 73,064 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 47,158 |
| African East Coast | 0 | - | 4.97 | 85,777 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 31,443 |
| Countries Settled by Vikings | 0 | - | 4.93 | 112,999 |
| Pixelated World Map | 0 | - | 5.00 | 130,537 |
| Warsaw Pact Countries | 0 | - | 4.83 | 80,900 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 71,504 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.97 | 73,066 |
| Former Flags | 0 | - | 4.97 | 82,838 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 44,617 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 288,881 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,078 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,124 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 279,993 |
| Boundary Waters | 0 | - | 4.93 | 82,007 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,358 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,099 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,536 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,469 |
| Ancient City to Country | 0 | - | 4.75 | 102,192 |
| City-States | 0 | - | 4.54 | 35,225 |
| Damaged and Destroyed Cities | 0 | - | 4.41 | 42,409 |
| City Where It Happened #2 | 0 | - | 4.43 | 50,851 |
| City Where It Happened #3 | 0 | - | 4.53 | 37,630 |
| Countries by Independence Day | 0 | - | 4.66 | 44,738 |
| Former Countries by Capital | 0 | - | 4.43 | 104,883 |
| Former Countries | 0 | - | 4.72 | 125,973 |
| Guerrillas by Country | 0 | - | 4.45 | 38,910 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,346 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 70,152 |
| Battle to Country | 0 | - | 4.92 | 36,721 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 62,241 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.92 | 40,922 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,466 |
| Seas on the World Map | 0 | - | 4.97 | 123,305 |
| Seas of the World | 0 | - | 5.00 | 131,353 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 158,070 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,795 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 103,398 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,762 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 64,481 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 51,074 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 60,268 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 47,495 |
| People Born on Islands | 0 | - | 4.41 | 40,444 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,743,264 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,773 |
| Cities Where Famous People Died | 0 | - | 4.46 | 31,628 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,153 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 375,842 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 46,993 |
| Mediterranean Geography on a Map | 0 | - | 4.50 | 34,989 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,232 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,343 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,844 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,254 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,605 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,570 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,521 |
| Cities by Founder and Date | 0 | - | 4.55 | 28,068 |
| City Where It Happened #1 | 0 | - | 4.28 | 102,934 |
| World Capitals Quiz | 0 | - | 5.00 | 4,573,827 |
| Members of the Arab League | 0 | - | 4.86 | 66,229 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,437 |
| Himalayan Countries | 0 | - | 4.94 | 108,371 |
| Andean Countries | 0 | - | 4.91 | 60,158 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,351 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,827 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,436 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,835 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,250 |
| Danube Countries | 0 | - | 4.96 | 57,221 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,230 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,293 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,692 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,393 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,003 |
| European Landlocked Countries | 0 | - | 4.99 | 137,037 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,798 |
| Countries with the Most Species | 0 | - | 4.99 | 89,855 |
| Countries Unconquered since 1850 | 0 | - | 4.38 | 62,727 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,334 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,019 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,314 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,056 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,880 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,118 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,913 |
| Countries in the Alps | 0 | - | 4.84 | 103,844 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,426 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,484 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,275 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,368 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,893 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,336 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,537 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,771 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,691 |
| Longest Uninterrupted Democracies | 0 | - | 4.05 | 31,859 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,408 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,168 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,024 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,029 |
| Most Recent Country To ... | 0 | - | 4.33 | 52,256 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,576 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,662 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,237 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,533 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,953 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,032 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,442 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,355 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,827 |
| Largest Countries By Category | 0 | - | 4.97 | 146,421 |
| Countries by Countries | 0 | - | 4.95 | 55,593 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,531 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,199 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,128 |
| Merged Country Flags | 0 | - | 4.85 | 82,328 |
| All Countries by Population With a Map | 0 | - | 4.99 | 64,936 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.75 | 19,167 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,985 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,608 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,227,008 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,248 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,711 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,538 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,874 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,109 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,851 |
| Longest International Borders | 0 | - | 4.99 | 236,606 |
| Countries with Three Borders | 0 | - | 4.96 | 32,114 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,839 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,357 |
| Famous Immigrants and Exiles | 0 | - | 4.53 | 19,776 |
| Largest Arctic Islands with a Map | 0 | - | 4.45 | 19,325 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.89 | 52,244 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 77,047 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,783 |
| Demonym of Every Country | 0 | - | 4.91 | 50,794 |
| Mediterranean Cities by Map | 0 | - | 4.49 | 49,515 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,407,680 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 47,922 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 344,949 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,502 |
| Island Countries Quiz | 0 | - | 4.99 | 668,476 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,140 |
| Northernmost Countries | 0 | - | 4.99 | 330,851 |
| Countries of South America | 0 | - | 5.00 | 809,595 |
| Countries of Oceania | 0 | - | 5.00 | 913,185 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,610,384 |
| Top World Languages | 0 | - | 4.92 | 722,944 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 49,114 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.92 | 23,299 |
| Countries in World War I | 0 | - | 4.88 | 212,152 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 211,126 |
| Official Country Names of the World | 0 | - | 4.47 | 18,326 |
| Europe Map Quiz | 0 | - | 5.00 | 4,351,393 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 29,969 |
| Organs of the Human Body (with map) | 0 | - | 4.12 | 107,728 |
