| Countries of the World in 1900 | 0 | - | 4.88 | 66,614 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 170,960 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 128,419 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,082,458 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 87,197 |
| Countries of the World in 1444 | 0 | - | 4.98 | 50,082 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 49,632 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 39,674 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.98 | 41,963 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,565 |
| Find the City #1 | 0 | - | 4.97 | 34,551 |
| Independence from Whom | 0 | - | 4.99 | 185,949 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,681 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,212 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,098 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,654 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 114,046 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 88,695 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 51,978 |
| Countries by Founding Story | 0 | - | 4.92 | 54,996 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 111,783 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.82 | 66,247 |
| Top World Languages on a Map | 0 | - | 4.91 | 93,204 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 98,722 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,681 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.79 | 36,249 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,402,277 |
| Roman Provinces on a Map | 0 | - | 4.52 | 31,866 |
| 407 Islands on the World Map | 0 | - | 4.98 | 28,054 |
| Cities by Former Name | 0 | - | 4.86 | 71,503 |
| World Capitals by Map | 0 | - | 5.00 | 242,528 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,383 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,881 |
| All Countries by Northernmost Point on Land | 0 | - | 4.91 | 106,743 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 54,360 |
| Countries by Former Name | 0 | - | 4.99 | 114,030 |
| Historical City to Country | 0 | - | 4.82 | 72,407 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 46,788 |
| African East Coast | 0 | - | 4.97 | 84,414 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 40,049 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 30,956 |
| Boundary Waters | 0 | - | 4.93 | 81,221 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,981 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 45,007 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 51,358 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 60,129 |
| Countries Settled by Vikings | 0 | - | 4.93 | 111,597 |
| Pixelated World Map | 0 | - | 5.00 | 128,553 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,244 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 69,840 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.97 | 71,980 |
| Former Flags | 0 | - | 4.98 | 81,656 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 43,811 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,853 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 223,353 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,651 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 275,804 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 30,189 |
| Ancient City to Country | 0 | - | 4.76 | 100,999 |
| City-States | 0 | - | 4.53 | 34,827 |
| City Where It Happened #2 | 0 | - | 4.43 | 50,179 |
| City Where It Happened #3 | 0 | - | 4.53 | 37,019 |
| Countries by Independence Day Quiz | 0 | - | 4.63 | 44,509 |
| Former Countries by Capital | 0 | - | 4.44 | 103,929 |
| Former Countries | 0 | - | 4.72 | 124,709 |
| Guerrillas by Country | 0 | - | 4.45 | 38,565 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.66 | 27,772 |
| Largest World's Islands on the World Map | 0 | - | 4.65 | 155,758 |
| People Born on Islands | 0 | - | 4.43 | 40,140 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,033,937 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 325,020 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,287 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 69,118 |
| Battle to Country | 0 | - | 4.92 | 35,634 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,272 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 61,405 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.91 | 40,343 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,629 |
| Seas on the World Map | 0 | - | 4.97 | 121,933 |
| Seas of the World | 0 | - | 5.00 | 128,063 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 85,618 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 100,405 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,973 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 63,061 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 49,509 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 58,935 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 46,585 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,453 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,965 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,460 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,022 |
| Cities by Founder and Date | 0 | - | 4.55 | 27,919 |
| Damaged and Destroyed Cities | 0 | - | 4.39 | 33,214 |
| City Where It Happened #1 | 0 | - | 4.28 | 102,006 |
| World Capitals Quiz | 0 | - | 5.00 | 4,506,152 |
| Members of the Arab League | 0 | - | 4.86 | 62,551 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,355 |
| Himalayan Countries | 0 | - | 4.94 | 105,193 |
| Andean Countries | 0 | - | 4.91 | 58,386 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,341 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,510 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,860 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,142 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,378 |
| Danube Countries | 0 | - | 4.97 | 56,711 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,746 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,891 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,372 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,466 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,657 |
| European Landlocked Countries | 0 | - | 4.99 | 115,575 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,468 |
| Countries with the Most Species | 0 | - | 4.99 | 89,549 |
| Countries Unconquered since 1850 | 0 | - | 4.38 | 62,359 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,444 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,712 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,031 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,358 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,451 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,736 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,224 |
| Countries in the Alps | 0 | - | 4.84 | 102,775 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,430 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,384 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,649 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,354 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,060 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,638 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,721 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,206 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,356 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 31,690 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,726 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,489 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,640 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,709 |
| Most Recent Country To ... | 0 | - | 4.34 | 51,669 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,583 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,044 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,553 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,287 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,402 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,454 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,849 |
| World Countries - Blind Typing | 0 | - | 5.00 | 73,122 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 42,337 |
| Largest Countries By Category | 0 | - | 4.96 | 145,066 |
| Countries by Countries | 0 | - | 4.96 | 54,729 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,682 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,752 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,739 |
| Merged Country Flags | 0 | - | 4.85 | 81,112 |
| All Countries by Population With a Map | 0 | - | 4.99 | 62,335 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.72 | 18,803 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,882 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,347 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,750 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,161 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,786 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,532 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,447 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,995 |
| Longest International Borders | 0 | - | 4.99 | 234,380 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,044 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,194 |
| Famous Immigrants and Exiles | 0 | - | 4.53 | 19,688 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 46,322 |
| Mediterranean Geography on a Map | 0 | - | 4.50 | 34,649 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,159 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,787 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 100,311 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 94,409 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,456 |
| Demonym of Every Country | 0 | - | 4.91 | 49,682 |
| WWII Geography | 0 | - | 4.81 | 99,568 |
| The Same Prefixes - Geography | 0 | - | 4.50 | 42,238 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.91 | 22,821 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 58,597 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,196 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,856 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 47,093 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,515 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 356,153 |
| Island Countries Quiz | 0 | - | 4.99 | 661,416 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,755 |
| Northernmost Countries | 0 | - | 4.99 | 327,862 |
| Countries of South America | 0 | - | 5.00 | 795,388 |
| Countries of Oceania | 0 | - | 5.00 | 896,004 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,162,177 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,420 |
| Top World Languages | 0 | - | 4.91 | 709,491 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 29,341 |
| Countries with Three Borders | 0 | - | 4.96 | 31,505 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 48,436 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.89 | 51,206 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 75,909 |
| Huge List of Famous Mountains | 0 | - | 4.82 | 30,422 |
| Analogies of Countries #1 | 0 | - | 4.84 | 50,332 |
| Five Letter Geography #4 | 0 | - | 4.84 | 66,646 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 77,093 |
