| Island Countries | 0 | - | 4.99 | 713,010 |
| Independence from Whom | 0 | - | 4.99 | 213,404 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,664 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,805 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,469 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,277 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,166 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,974 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,289 |
| Countries by Founding Story | 0 | - | 4.95 | 77,907 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,223 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,598 |
| Cities by Former Name | 0 | - | 4.83 | 92,180 |
| Recently Independent Countries | 0 | - | 4.98 | 160,511 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,172 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,076 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,473 |
| Countries by Former Name | 0 | - | 4.99 | 125,972 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,439 |
| Historical City to Country | 0 | - | 4.85 | 79,098 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,333 |
| Boundary Waters | 0 | - | 4.92 | 88,834 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,466 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,838 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,563 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,061 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,082 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,171 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,725 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,744 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,857 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,980 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,322 |
| Former Flags | 0 | - | 4.97 | 108,817 |
| Most Populous Islands | 0 | - | 4.80 | 123,436 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,403 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,675 |
| Ancient City to Country | 0 | - | 4.72 | 108,400 |
| City-States | 0 | - | 4.53 | 37,437 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,859 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,355 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,682 |
| Countries by Independence Day | 0 | - | 4.62 | 52,880 |
| Former Countries by Capital | 0 | - | 4.45 | 127,890 |
| Former Countries | 0 | - | 4.77 | 134,317 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,968,419 |
| Landlocked Countries | 0 | - | 4.99 | 427,234 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,600 |
| Battle to Country | 0 | - | 4.91 | 54,105 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,844 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,980 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,445 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,542 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,001 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,987 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,003 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,717 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,991 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,514 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,165 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,190 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,789 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,686 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,906 |
| Himalayan Countries | 0 | - | 4.93 | 140,822 |
| Andean Countries | 0 | - | 4.94 | 85,798 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,914 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,484 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,464 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,688 |
| Danube Countries | 0 | - | 4.97 | 72,553 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,800 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,971 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,439 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,914 |
| European Landlocked Countries | 0 | - | 4.99 | 147,740 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,537 |
| Countries with the Most Species | 0 | - | 4.99 | 103,645 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,973 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,638 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,814 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,925 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,679 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,129 |
| Countries in the Alps | 0 | - | 4.87 | 118,971 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,987 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,131 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Guerrillas by Country | 0 | - | 4.40 | 41,252 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,171 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,127 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,594 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,991 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,513 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,303 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,314 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,954 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,674 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,924 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,148 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,732 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,438 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,842 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,304 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,491 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,615 |
| Largest Countries By Category | 0 | - | 4.97 | 159,094 |
| Countries by Countries | 0 | - | 4.97 | 63,807 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,444 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,450 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,705 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,779 |
| Merged Country Flags | 0 | - | 4.88 | 107,490 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,422 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,549 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,227 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,336 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,577 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,024 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,886 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,656 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,254 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,402 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,657 |
| Longest International Borders | 0 | - | 4.99 | 265,998 |
| Countries with Three Borders | 0 | - | 4.96 | 36,828 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,424 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,568 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,779 |
| Roman Provinces on a Map | 0 | - | 4.53 | 37,405 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,694 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,023 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,211 |
| Demonym of Every Country | 0 | - | 4.90 | 61,633 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,552 |
| Islands by Picture | 0 | - | 4.28 | 107,958 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,544 |
| Name a Valid Island | 0 | - | 4.80 | 69,600 |
| Island Superlatives | 0 | - | 4.57 | 34,742 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,406 |
| WWII Geography | 0 | - | 4.81 | 121,498 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,067 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 27,222 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,743 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,603 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,237 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,037 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,350 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,902 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,750 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,148 |
| Northernmost Countries | 0 | - | 4.99 | 364,590 |
| Countries of South America | 0 | - | 5.00 | 934,270 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,487 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,978 |
| "Land" Countries | 0 | - | 4.98 | 338,993 |
| Top World Languages | 0 | - | 4.92 | 831,229 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,232 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,826 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,791 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,004 |
| Islands A-Z | 0 | - | 4.46 | 128,082 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,775 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,139 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,499 |
| Countries with Megacities | 0 | - | 4.99 | 267,843 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,147 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,337 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,436 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,095 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,504 |
| Find the City #1 | 0 | - | 4.97 | 43,429 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,553 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,083 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,347 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,439 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,375 |
| Countries by Capital City | 0 | - | 5.00 | 69,622 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,143 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,354 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,958 |
| Moved Capital Cities | 0 | - | 4.96 | 74,733 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,861 |
| Countries by Official Language | 0 | - | 4.95 | 196,220 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,943 |
| Countries in their Native Language | 0 | - | 4.99 | 199,958 |
| Subdivisions by Country | 0 | - | 4.87 | 50,666 |
| Countries in World War I | 0 | - | 4.88 | 229,424 |
| Megadiverse Countries | 0 | - | 4.96 | 149,029 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,481 |
