| Countries of the World in 1900 | 0 | - | 4.89 | 86,019 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,859 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,251 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,279 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,619 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,781 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,912 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,215 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,849 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,999 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,368 |
| Find the City #1 | 0 | - | 4.97 | 43,371 |
| Independence from Whom | 0 | - | 4.99 | 213,174 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,527 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,877 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,160 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,461 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,464 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 114,043 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,636 |
| Countries by Founding Story | 0 | - | 4.95 | 77,842 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 149,757 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.86 | 77,751 |
| Top World Languages on a Map | 0 | - | 4.94 | 104,054 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,676 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,646 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,716 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,850,150 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,356 |
| Cities by Former Name | 0 | - | 4.83 | 92,092 |
| World Capitals by Map | 0 | - | 5.00 | 289,577 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,851 |
| Recently Independent Countries | 0 | - | 4.98 | 160,394 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 127,418 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,864 |
| Countries by Former Name | 0 | - | 4.99 | 125,873 |
| Historical City to Country | 0 | - | 4.85 | 79,046 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,912 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,720 |
| African East Coast | 0 | - | 4.96 | 96,813 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,860 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,702 |
| Boundary Waters | 0 | - | 4.92 | 88,785 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,427 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,741 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,393 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,996 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,008 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,112 |
| Pixelated World Map | 0 | - | 5.00 | 144,141 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,700 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,827 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,361 |
| Former Flags | 0 | - | 4.97 | 108,649 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,423 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,892 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,690 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,700 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,706 |
| Ancient City to Country | 0 | - | 4.72 | 108,367 |
| City-States | 0 | - | 4.53 | 37,414 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,822 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,255 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,596 |
| Countries by Independence Day | 0 | - | 4.62 | 52,863 |
| Former Countries by Capital | 0 | - | 4.45 | 127,831 |
| Former Countries | 0 | - | 4.77 | 134,252 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 235,607 |
| Largest World's Islands on the World Map | 0 | - | 4.70 | 176,995 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,907,848 |
| Landlocked Countries | 0 | - | 4.99 | 426,305 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,541 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,522 |
| Battle to Country | 0 | - | 4.91 | 54,004 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,554 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,224 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,936 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,148 |
| Seas on the World Map | 0 | - | 4.96 | 136,012 |
| Seas of the World | 0 | - | 5.00 | 158,593 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,229 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,370 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,425 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,603 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,852 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,899 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,623 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,943 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,433 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,040 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,056 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,166 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,270 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,550 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,520 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,466 |
| Himalayan Countries | 0 | - | 4.93 | 140,414 |
| Andean Countries | 0 | - | 4.94 | 85,561 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,710 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,156 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,276 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,513 |
| Danube Countries | 0 | - | 4.97 | 72,452 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,661 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,883 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,224 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,697 |
| European Landlocked Countries | 0 | - | 4.99 | 147,646 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,366 |
| Countries with the Most Species | 0 | - | 4.99 | 103,593 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,957 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,470 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,903 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,866 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,604 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,051 |
| Countries in the Alps | 0 | - | 4.87 | 118,831 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,739 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,956 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,992 |
| Guerrillas by Country | 0 | - | 4.40 | 41,236 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,068 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,006 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,295 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,900 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,452 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,294 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,215 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,904 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,767 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,912 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,590 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,832 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,923 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,935 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,645 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,946 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,721 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,877 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,247 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,542 |
| Largest Countries By Category | 0 | - | 4.97 | 158,923 |
| Countries by Countries | 0 | - | 4.96 | 63,685 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,308 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,420 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
| Merged Country Flags | 0 | - | 4.88 | 107,409 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,111 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,927 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,458 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,181 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,132 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,850 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,500 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,993 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,825 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,626 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,190 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,193 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,591 |
| Longest International Borders | 0 | - | 4.99 | 265,870 |
| Countries with Three Borders | 0 | - | 4.96 | 36,791 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,377 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,512 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,746 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,828 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,389 |
| Largest Arctic Islands with a Map | 0 | - | 4.47 | 20,690 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,579 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,843 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,530 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,187 |
| Demonym of Every Country | 0 | - | 4.90 | 61,528 |
| People Born on Islands | 0 | - | 4.39 | 53,068 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,396 |
| WWII Geography | 0 | - | 4.81 | 121,356 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,033 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,181 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,696 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,772 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,222 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,364 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,591 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,790 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,909 |
| Island Countries | 0 | - | 4.99 | 712,702 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,177 |
| Northernmost Countries | 0 | - | 4.99 | 364,202 |
| Countries of South America | 0 | - | 5.00 | 933,201 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,133 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,489 |
| "Land" Countries | 0 | - | 4.98 | 338,497 |
| Top World Languages | 0 | - | 4.92 | 830,271 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,781 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,424 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,700 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,907 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,223 |
