| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,232 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,666 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,461 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,689 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,813 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,057 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,081 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,822 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,551 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,984 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,786 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,643 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,691 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,895 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,154 |
| Find the City #1 | 0 | - | 4.97 | 43,275 |
| Independence from Whom | 0 | - | 4.99 | 212,873 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,301 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,789 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,001 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,135 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,827 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 113,772 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,492 |
| Countries by Founding Story | 0 | - | 4.95 | 77,725 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 149,241 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,630 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,468 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,453 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,537 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,845,698 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,579 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,282 |
| Cities by Former Name | 0 | - | 4.83 | 91,980 |
| World Capitals by Map | 0 | - | 5.00 | 289,035 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,767 |
| Recently Independent Countries | 0 | - | 4.98 | 159,880 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 127,256 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,762 |
| Countries by Former Name | 0 | - | 4.99 | 125,723 |
| Historical City to Country | 0 | - | 4.85 | 78,959 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,874 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,678 |
| African East Coast | 0 | - | 4.96 | 96,661 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,007 |
| Pixelated World Map | 0 | - | 5.00 | 143,993 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,649 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,698 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,263 |
| Former Flags | 0 | - | 4.97 | 108,425 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,355 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,445 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,451 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,430 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,402 |
| Boundary Waters | 0 | - | 4.92 | 88,725 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,379 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,606 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,222 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,875 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,884 |
| Ancient City to Country | 0 | - | 4.70 | 108,300 |
| City-States | 0 | - | 4.53 | 37,381 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,789 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,205 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,547 |
| Countries by Independence Day | 0 | - | 4.62 | 52,850 |
| Former Countries by Capital | 0 | - | 4.45 | 127,772 |
| Former Countries | 0 | - | 4.77 | 134,150 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,440 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,405 |
| Battle to Country | 0 | - | 4.91 | 53,887 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,122 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 235,281 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,882 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,877 |
| Seas on the World Map | 0 | - | 4.96 | 135,887 |
| Seas of the World | 0 | - | 5.00 | 158,219 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 176,745 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,087 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,171 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,204 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,071 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,635 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,725 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,480 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,813,482 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,248 |
| Landlocked Countries | 0 | - | 4.99 | 424,876 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 586,033 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,770 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,362 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,418 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,609 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,403 |
| WWII Geography | 0 | - | 4.81 | 120,892 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,885 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,324 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,860 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,888 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,159 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,466 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,272 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,813 |
| Himalayan Countries | 0 | - | 4.93 | 139,897 |
| Andean Countries | 0 | - | 4.94 | 85,248 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,419 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,752 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,988 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,292 |
| Danube Countries | 0 | - | 4.97 | 72,299 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,457 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,744 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,926 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,426 |
| European Landlocked Countries | 0 | - | 4.99 | 147,500 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,147 |
| Countries with the Most Species | 0 | - | 4.99 | 103,509 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,936 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,838 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,773 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,937 |
| Countries in the Alps | 0 | - | 4.87 | 118,651 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,423 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,681 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,903 |
| Guerrillas by Country | 0 | - | 4.40 | 41,216 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,856 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,170 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,295 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,796 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,360 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,275 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,809 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,682 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,865 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,480 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,808 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,601 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,546 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,637 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,535 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,355 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,927 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,457 |
| Largest Countries By Category | 0 | - | 4.97 | 158,728 |
| Countries by Countries | 0 | - | 4.96 | 63,547 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,155 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,375 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,651 |
| Merged Country Flags | 0 | - | 4.88 | 107,299 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,696 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,902 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,312 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,090 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,018 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,723 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,379 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,956 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,739 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,602 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,127 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,869 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,506 |
| Longest International Borders | 0 | - | 4.99 | 265,702 |
| Countries with Three Borders | 0 | - | 4.96 | 36,735 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,309 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,455 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,700 |
| Largest Arctic Islands with a Map | 0 | - | 4.47 | 20,669 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,322 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,574 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,803 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,130 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,157 |
| Demonym of Every Country | 0 | - | 4.90 | 61,371 |
| People Born on Islands | 0 | - | 4.39 | 53,039 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,749 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,205 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,681 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,515 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,429 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,215 |
| Island Countries | 0 | - | 4.99 | 712,233 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,738 |
| Northernmost Countries | 0 | - | 4.99 | 363,605 |
| Countries of South America | 0 | - | 5.00 | 931,449 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,833 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,501 |
| "Land" Countries | 0 | - | 4.98 | 338,181 |
| Top World Languages | 0 | - | 4.92 | 828,697 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,714 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,134 |
| Countries in World War I | 0 | - | 4.88 | 229,004 |