| Countries of Europe in 1444 | 0 | - | 4.93 | 94,141 |
| Countries of the World in 1444 | 0 | - | 4.98 | 56,350 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.82 | 53,678 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 47,125 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 43,485 |
| Countries of the World in 1900 | 0 | - | 4.88 | 76,243 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 183,675 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 140,170 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,410,474 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 42,987 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,260,452 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 46,980 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,477 |
| Find the City #1 | 0 | - | 4.97 | 38,857 |
| Independence from Whom | 0 | - | 4.99 | 200,082 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,898 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,531 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,949 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,404 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,507 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 102,084 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 58,535 |
| Countries by Founding Story | 0 | - | 4.94 | 72,945 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 130,222 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.83 | 72,158 |
| Top World Languages on a Map | 0 | - | 4.92 | 98,450 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 108,450 |
| 407 Islands on the World Map | 0 | - | 4.99 | 31,883 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.74 | 30,881 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,635,646 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.74 | 40,111 |
| Roman Provinces on a Map | 0 | - | 4.53 | 34,577 |
| Cities by Former Name | 0 | - | 4.85 | 87,932 |
| World Capitals by Map | 0 | - | 5.00 | 266,188 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.96 | 54,215 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,360 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 118,144 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.95 | 58,773 |
| Countries by Former Name | 0 | - | 4.99 | 120,206 |
| Historical City to Country | 0 | - | 4.83 | 75,774 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 33,322 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 48,674 |
| African East Coast | 0 | - | 4.96 | 90,574 |
| Countries Settled by Vikings | 0 | - | 4.93 | 117,023 |
| Pixelated World Map | 0 | - | 5.00 | 136,786 |
| Warsaw Pact Countries | 0 | - | 4.81 | 82,586 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 76,916 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 76,921 |
| Former Flags | 0 | - | 4.98 | 101,675 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 47,286 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,967 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 234,442 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 221,551 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 292,887 |
| Boundary Waters | 0 | - | 4.93 | 85,438 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 33,004 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,369 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 55,305 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 56,741 |
| "Second Best" Geography Edition #3 | 0 | - | 4.88 | 66,161 |
| Ancient City to Country | 0 | - | 4.70 | 104,959 |
| City-States | 0 | - | 4.54 | 36,279 |
| Damaged and Destroyed Cities | 0 | - | 4.42 | 43,597 |
| City Where It Happened #2 | 0 | - | 4.44 | 52,057 |
| City Where It Happened #3 | 0 | - | 4.53 | 39,054 |
| Countries by Independence Day | 0 | - | 4.61 | 51,861 |
| Former Countries by Capital | 0 | - | 4.43 | 108,177 |
| Former Countries | 0 | - | 4.74 | 129,500 |
| Guerrillas by Country | 0 | - | 4.44 | 40,095 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 101,326 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 74,379 |
| Battle to Country | 0 | - | 4.91 | 48,997 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 65,423 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.79 | 221,028 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 42,952 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 55,674 |
| Seas on the World Map | 0 | - | 4.97 | 128,809 |
| Seas of the World | 0 | - | 5.00 | 143,680 |
| Largest World's Islands on the World Map | 0 | - | 4.64 | 166,688 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 90,694 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 113,531 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 142,806 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 70,377 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 57,654 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 65,656 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 52,195 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,369,538 |
| Cities Where Famous People Died | 0 | - | 4.43 | 32,413 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,371 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 469,515 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 49,296 |
| Mediterranean Geography on a Map | 0 | - | 4.48 | 36,138 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 100,796 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 109,932 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 100,397 |
| WWII Geography | 0 | - | 4.82 | 114,974 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,970 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 90,874 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,746 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,590 |
| Cities by Founder and Date | 0 | - | 4.55 | 28,602 |
| City Where It Happened #1 | 0 | - | 4.26 | 104,827 |
| World Capitals Quiz | 0 | - | 5.00 | 4,810,190 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,817 |
| Himalayan Countries | 0 | - | 4.94 | 122,487 |
| Andean Countries | 0 | - | 4.93 | 68,846 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,795 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,267 |
| Coffee Producing Countries | 0 | - | 4.83 | 60,008 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,396 |
| Danube Countries | 0 | - | 4.97 | 60,899 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,937 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,937 |
| Countries with the Best Passports | 0 | - | 4.82 | 80,891 |
| Countries with the Worst Passports | 0 | - | 4.90 | 71,422 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,398 |
| European Landlocked Countries | 0 | - | 4.99 | 141,072 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,205 |
| Countries with the Most Species | 0 | - | 4.99 | 92,374 |
| Countries Unconquered since 1850 | 0 | - | 4.36 | 63,790 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,587 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,713 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,813 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,620 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,409 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,982 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,710 |
| Countries in the Alps | 0 | - | 4.86 | 110,527 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,787 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,938 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,435 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,809 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,690 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,993 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,071 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,899 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,005 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 32,579 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,851 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,762 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,292 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,122 |
| Most Recent Country To ... | 0 | - | 4.32 | 54,105 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,197 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,884 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,589 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,143 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,863 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,793 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,384 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,275 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,157 |
| Largest Countries By Category | 0 | - | 4.97 | 151,497 |
| Countries by Countries | 0 | - | 4.96 | 58,506 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,154 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,689 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,342 |
| Merged Country Flags | 0 | - | 4.87 | 102,539 |
| All Countries by Population With a Map | 0 | - | 4.98 | 94,444 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 20,585 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 91,212 |
| Colourful Countries of the World | 0 | - | 4.99 | 56,167 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,006 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,478,966 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,695 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,706 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,450 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,162 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 32,230 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 198,052 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,114 |
| Longest International Borders | 0 | - | 4.99 | 243,800 |
| Countries with Three Borders | 0 | - | 4.96 | 34,307 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,383 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,755 |
| Famous Immigrants and Exiles | 0 | - | 4.54 | 20,134 |
| Largest Arctic Islands with a Map | 0 | - | 4.45 | 19,971 |
| Countries of Iberia in History with a Map | 0 | - | 4.86 | 38,307 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 56,560 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 81,588 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.85 | 51,753 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 35,910 |
| Demonym of Every Country | 0 | - | 4.92 | 55,086 |
| People Born on Islands | 0 | - | 4.35 | 41,423 |
| Mediterranean Cities by Map | 0 | - | 4.50 | 50,378 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,492,096 |
| World Capitals on an Empty Map | 0 | - | 4.64 | 51,022 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,431 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,684 |
| Island Countries Quiz | 0 | - | 4.99 | 691,250 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,482 |
| Northernmost Countries | 0 | - | 4.99 | 342,906 |
| Countries of South America | 0 | - | 5.00 | 863,940 |
| Countries of Oceania | 0 | - | 5.00 | 977,147 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,733,311 |
| Top World Languages | 0 | - | 4.91 | 769,857 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 51,692 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.90 | 24,929 |
| Countries in World War I | 0 | - | 4.88 | 220,222 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 220,166 |
