| Island Countries | 0 | - | 4.99 | 712,126 |
| Independence from Whom | 0 | - | 4.99 | 212,802 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,257 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,390 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,458 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,776 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,948 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,782 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,642 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,108 |
| Countries by Founding Story | 0 | - | 4.95 | 77,694 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,063 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,463 |
| Cities by Former Name | 0 | - | 4.83 | 91,959 |
| Recently Independent Countries | 0 | - | 4.98 | 159,838 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,777 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,483 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,919 |
| Countries by Former Name | 0 | - | 4.99 | 125,689 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,971 |
| Historical City to Country | 0 | - | 4.85 | 78,917 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,198 |
| Boundary Waters | 0 | - | 4.92 | 88,714 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,371 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,580 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,185 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,854 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,858 |
| Countries Settled by Vikings | 0 | - | 4.92 | 121,986 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,642 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,432 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,671 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,797 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,020 |
| Former Flags | 0 | - | 4.97 | 108,388 |
| Most Populous Islands | 0 | - | 4.80 | 123,242 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,364 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,619 |
| Ancient City to Country | 0 | - | 4.70 | 108,286 |
| City-States | 0 | - | 4.53 | 37,377 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,781 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,200 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,537 |
| Countries by Independence Day | 0 | - | 4.62 | 52,845 |
| Former Countries by Capital | 0 | - | 4.45 | 127,756 |
| Former Countries | 0 | - | 4.77 | 134,129 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,790,365 |
| Landlocked Countries | 0 | - | 4.99 | 424,639 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,380 |
| Battle to Country | 0 | - | 4.91 | 53,855 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,493 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,872 |
| Name a Valid Island Country | 0 | - | 4.97 | 128,500 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,169 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,958 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,594 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,708 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,459 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,863 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,297 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,820 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,859 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,155 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,243 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,456 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,748 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,691 |
| Himalayan Countries | 0 | - | 4.93 | 139,822 |
| Andean Countries | 0 | - | 4.94 | 85,205 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,386 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,679 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,956 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,248 |
| Danube Countries | 0 | - | 4.97 | 72,282 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,434 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,722 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,884 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,383 |
| European Landlocked Countries | 0 | - | 4.99 | 147,469 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,110 |
| Countries with the Most Species | 0 | - | 4.99 | 103,497 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,933 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,713 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,827 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,758 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,493 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,915 |
| Countries in the Alps | 0 | - | 4.87 | 118,605 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,351 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,624 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,886 |
| Guerrillas by Country | 0 | - | 4.40 | 41,207 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,906 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,832 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,145 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,267 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,778 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,348 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,273 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,080 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,800 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,667 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,855 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,459 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,699 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,787 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,530 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,567 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,503 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,259 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,871 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,436 |
| Largest Countries By Category | 0 | - | 4.97 | 158,679 |
| Countries by Countries | 0 | - | 4.96 | 63,518 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,114 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,367 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,645 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,558 |
| Merged Country Flags | 0 | - | 4.88 | 107,271 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,611 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,290 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,993 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,797,008 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,356 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,951 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,725 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,591 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,114 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,792 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,493 |
| Longest International Borders | 0 | - | 4.99 | 265,650 |
| Countries with Three Borders | 0 | - | 4.96 | 36,727 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,300 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,442 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,687 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,268 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,382 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,560 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,152 |
| Demonym of Every Country | 0 | - | 4.90 | 61,330 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,480 |
| Islands by Picture | 0 | - | 4.28 | 107,629 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,476 |
| Name a Valid Island | 0 | - | 4.80 | 69,448 |
| Island Superlatives | 0 | - | 4.57 | 34,691 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,375 |
| WWII Geography | 0 | - | 4.81 | 120,868 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,973 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,121 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,620 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,545 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,056 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,345 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,039 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,771 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,624 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,414 |
| Northernmost Countries | 0 | - | 4.99 | 363,466 |
| Countries of South America | 0 | - | 5.00 | 931,039 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,430 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,745 |
| "Land" Countries | 0 | - | 4.98 | 338,090 |
| Top World Languages | 0 | - | 4.92 | 828,324 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,186 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,697 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,774 |
| Islands A-Z | 0 | - | 4.46 | 127,054 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,688 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,889 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,849 |
| Countries with Megacities | 0 | - | 4.99 | 266,499 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,556 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,944 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,851 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,050 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,874 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,601 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,111 |
| Find the City #1 | 0 | - | 4.97 | 43,262 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,195 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,869 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,069 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,046 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,948 |
| Countries by Capital City | 0 | - | 5.00 | 69,200 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,740 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,113 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,709 |
| Moved Capital Cities | 0 | - | 4.96 | 74,580 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,771 |
| Countries by Official Language | 0 | - | 4.95 | 195,793 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,335 |
| Countries in their Native Language | 0 | - | 4.99 | 199,577 |
| Subdivisions by Country | 0 | - | 4.87 | 50,571 |
| Countries in World War I | 0 | - | 4.88 | 228,961 |
| Megadiverse Countries | 0 | - | 4.96 | 135,207 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,917 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,782 |
