| Countries of Europe in 1444 | 0 | - | 4.93 | 93,783 |
| Countries of the World in 1444 | 0 | - | 4.98 | 56,071 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.82 | 53,468 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 46,741 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 43,305 |
| Countries of the World in 1900 | 0 | - | 4.88 | 75,723 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 182,987 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 139,528 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,395,657 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 42,837 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,251,431 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 46,691 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,193 |
| Find the City #1 | 0 | - | 4.97 | 38,664 |
| Independence from Whom | 0 | - | 4.99 | 199,481 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,471 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,380 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 86,221 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,755 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 134,289 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 101,450 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 58,177 |
| Countries by Founding Story | 0 | - | 4.94 | 72,720 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 129,175 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.83 | 71,872 |
| Top World Languages on a Map | 0 | - | 4.92 | 97,923 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 107,941 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.74 | 30,709 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,624,776 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.74 | 39,911 |
| Roman Provinces on a Map | 0 | - | 4.53 | 34,412 |
| 407 Islands on the World Map | 0 | - | 4.98 | 31,591 |
| Cities by Former Name | 0 | - | 4.85 | 87,693 |
| World Capitals by Map | 0 | - | 5.00 | 264,760 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.96 | 53,982 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,054 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 117,477 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.95 | 58,528 |
| Countries by Former Name | 0 | - | 4.99 | 119,881 |
| Historical City to Country | 0 | - | 4.83 | 75,600 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 33,184 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 48,543 |
| African East Coast | 0 | - | 4.96 | 90,206 |
| Countries Settled by Vikings | 0 | - | 4.93 | 116,801 |
| Pixelated World Map | 0 | - | 5.00 | 136,400 |
| Warsaw Pact Countries | 0 | - | 4.81 | 82,487 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 76,559 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 76,708 |
| Former Flags | 0 | - | 4.98 | 101,229 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 47,125 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,233 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 233,897 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 220,824 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 292,131 |
| Boundary Waters | 0 | - | 4.93 | 85,230 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,871 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,034 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 54,788 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 56,440 |
| "Second Best" Geography Edition #3 | 0 | - | 4.88 | 65,836 |
| Ancient City to Country | 0 | - | 4.70 | 104,804 |
| City-States | 0 | - | 4.54 | 36,231 |
| Damaged and Destroyed Cities | 0 | - | 4.42 | 43,527 |
| City Where It Happened #2 | 0 | - | 4.44 | 51,990 |
| City Where It Happened #3 | 0 | - | 4.53 | 38,963 |
| Countries by Independence Day | 0 | - | 4.61 | 51,756 |
| Former Countries by Capital | 0 | - | 4.43 | 107,742 |
| Former Countries | 0 | - | 4.74 | 129,297 |
| Guerrillas by Country | 0 | - | 4.44 | 40,018 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 101,081 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 74,082 |
| Battle to Country | 0 | - | 4.91 | 48,741 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 65,215 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.79 | 220,099 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.92 | 42,820 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 55,169 |
| Seas on the World Map | 0 | - | 4.97 | 128,508 |
| Seas of the World | 0 | - | 5.00 | 142,742 |
| Largest World's Islands on the World Map | 0 | - | 4.64 | 166,167 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 90,392 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 112,948 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 142,355 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 69,979 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 57,233 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 65,327 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 51,900 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,184,655 |
| Cities Where Famous People Died | 0 | - | 4.43 | 32,360 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 380,857 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 462,776 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 49,175 |
| Mediterranean Geography on a Map | 0 | - | 4.48 | 36,078 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 100,452 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 109,500 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 100,051 |
| WWII Geography | 0 | - | 4.82 | 114,687 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,804 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 90,554 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,272 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,117 |
| Cities by Founder and Date | 0 | - | 4.55 | 28,568 |
| City Where It Happened #1 | 0 | - | 4.26 | 104,736 |
| World Capitals Quiz | 0 | - | 5.00 | 4,794,233 |
| Sahara Desert Countries | 0 | - | 4.97 | 144,748 |
| Himalayan Countries | 0 | - | 4.95 | 121,475 |
| Andean Countries | 0 | - | 4.92 | 68,251 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,331 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,472 |
| Coffee Producing Countries | 0 | - | 4.82 | 59,542 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 58,973 |
| Danube Countries | 0 | - | 4.97 | 60,655 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,562 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,693 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,029 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,049 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,482 |
| European Landlocked Countries | 0 | - | 4.99 | 140,817 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,745 |
| Countries with the Most Species | 0 | - | 4.99 | 92,215 |
| Countries Unconquered since 1850 | 0 | - | 4.36 | 63,722 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,173 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,619 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,715 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,414 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,096 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,823 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,468 |
| Countries in the Alps | 0 | - | 4.86 | 110,149 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,374 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,241 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,524 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,390 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,766 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,788 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,674 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,859 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 32,525 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,618 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,608 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,142 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,000 |
| Most Recent Country To ... | 0 | - | 4.32 | 54,006 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,985 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,676 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,348 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,554 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,671 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,584 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,127 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,352 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,963 |
| Largest Countries By Category | 0 | - | 4.97 | 151,056 |
| Countries by Countries | 0 | - | 4.96 | 58,282 |
| Country Flags with the Most White | 0 | - | 4.87 | 131,818 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,582 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,262 |
| Merged Country Flags | 0 | - | 4.87 | 102,224 |
| All Countries by Population With a Map | 0 | - | 4.98 | 93,266 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 20,511 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,699 |
| Colourful Countries of the World | 0 | - | 4.99 | 55,940 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,701 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,461,733 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,450 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,581 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,268 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,090 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 32,095 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 197,190 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 114,962 |
| Longest International Borders | 0 | - | 4.99 | 243,379 |
| Countries with Three Borders | 0 | - | 4.96 | 34,172 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,223 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,481 |
| Famous Immigrants and Exiles | 0 | - | 4.54 | 20,110 |
| Largest Arctic Islands with a Map | 0 | - | 4.45 | 19,935 |
| Countries of Iberia in History with a Map | 0 | - | 4.86 | 38,099 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 56,298 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 81,352 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.85 | 51,561 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 35,838 |
| Demonym of Every Country | 0 | - | 4.92 | 54,804 |
| People Born on Islands | 0 | - | 4.35 | 41,373 |
| Mediterranean Cities by Map | 0 | - | 4.50 | 50,337 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,486,546 |
| World Capitals on an Empty Map | 0 | - | 4.64 | 50,832 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,537 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,462 |
| Island Countries Quiz | 0 | - | 4.99 | 689,752 |
| Biggest Countries by Area | 0 | - | 5.00 | 987,654 |
| Northernmost Countries | 0 | - | 4.99 | 342,013 |
| Countries of South America | 0 | - | 5.00 | 859,872 |
| Countries of Oceania | 0 | - | 5.00 | 972,294 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,724,831 |
| Top World Languages | 0 | - | 4.91 | 766,457 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 51,425 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.91 | 24,805 |
| Countries in World War I | 0 | - | 4.88 | 219,732 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 219,361 |
