| Island Countries | 0 | - | 4.99 | 709,993 |
| Independence from Whom | 0 | - | 4.99 | 211,462 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,802 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,781 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,767 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,417 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,052 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,517 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,357 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,676 |
| Countries by Founding Story | 0 | - | 4.95 | 77,116 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,643 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,231 |
| Cities by Former Name | 0 | - | 4.83 | 91,485 |
| Recently Independent Countries | 0 | - | 4.98 | 159,086 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,701 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,925 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,555 |
| Countries by Former Name | 0 | - | 4.99 | 124,979 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,514 |
| Historical City to Country | 0 | - | 4.84 | 78,462 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,856 |
| Boundary Waters | 0 | - | 4.92 | 88,407 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,112 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,979 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,275 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,388 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,314 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,328 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,471 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,571 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,157 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,350 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,208 |
| Former Flags | 0 | - | 4.97 | 107,582 |
| Most Populous Islands | 0 | - | 4.80 | 122,846 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,288 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,515 |
| Ancient City to Country | 0 | - | 4.70 | 107,970 |
| City-States | 0 | - | 4.53 | 37,239 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,644 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,097 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,398 |
| Countries by Independence Day | 0 | - | 4.61 | 52,722 |
| Former Countries by Capital | 0 | - | 4.45 | 127,400 |
| Former Countries | 0 | - | 4.75 | 133,705 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,375,068 |
| Landlocked Countries | 0 | - | 4.99 | 419,486 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,732 |
| Battle to Country | 0 | - | 4.91 | 53,225 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,452 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,590 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,813 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,013 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 79,751 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,434 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,820 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,722 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,703 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,774 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,002 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,095 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,132 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,306 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,007 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,217 |
| Himalayan Countries | 0 | - | 4.95 | 137,655 |
| Andean Countries | 0 | - | 4.95 | 84,057 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,302 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,804 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,920 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,419 |
| Danube Countries | 0 | - | 4.97 | 71,722 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,638 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,746 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,821 |
| European Landlocked Countries | 0 | - | 4.99 | 146,837 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,206 |
| Countries with the Most Species | 0 | - | 4.99 | 102,981 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,799 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,361 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,347 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,022 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,415 |
| Countries in the Alps | 0 | - | 4.87 | 117,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Guerrillas by Country | 0 | - | 4.40 | 41,091 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,061 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,162 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,757 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,350 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,241 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,004 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,181 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,602 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,513 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,362 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,649 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,970 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,257 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,289 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,096 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,626 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,618 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,363 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,026 |
| Largest Countries By Category | 0 | - | 4.97 | 157,743 |
| Countries by Countries | 0 | - | 4.96 | 62,894 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,285 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,480 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,154 |
| Merged Country Flags | 0 | - | 4.88 | 106,655 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,720 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,695 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,384 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,282 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,438 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,764 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,276 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,402 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,767 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,245 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,107 |
| Longest International Borders | 0 | - | 4.99 | 264,754 |
| Countries with Three Borders | 0 | - | 4.96 | 36,475 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,945 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,057 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,357 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,882 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,709 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,382 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,016 |
| Demonym of Every Country | 0 | - | 4.91 | 59,204 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,328 |
| Islands by Picture | 0 | - | 4.29 | 106,814 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,356 |
| Name a Valid Island | 0 | - | 4.78 | 68,838 |
| Island Superlatives | 0 | - | 4.57 | 34,589 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,292 |
| WWII Geography | 0 | - | 4.81 | 120,215 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,697 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,866 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,367 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,470 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,049 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,751 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,412 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 45,477 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,334 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,659 |
| Northernmost Countries | 0 | - | 4.99 | 360,736 |
| Countries of South America | 0 | - | 5.00 | 923,703 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,144 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,313 |
| "Land" Countries | 0 | - | 4.98 | 335,928 |
| Top World Languages | 0 | - | 4.92 | 820,874 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,068 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,386 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,169 |
| Islands A-Z | 0 | - | 4.45 | 123,731 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,361 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,221 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,176 |
| Countries with Megacities | 0 | - | 4.99 | 261,911 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,036 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,080 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,334 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,115 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,316 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,563 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,961 |
| Find the City #1 | 0 | - | 4.97 | 42,740 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,051 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,288 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,355 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,058 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,759 |
| Countries by Capital City | 0 | - | 5.00 | 68,041 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,042 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,527 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,032 |
| Moved Capital Cities | 0 | - | 4.96 | 74,105 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,466 |
| Countries by Official Language | 0 | - | 4.95 | 194,748 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,678 |
| Countries in their Native Language | 0 | - | 4.99 | 198,285 |
| Subdivisions by Country | 0 | - | 4.86 | 50,310 |
| Countries in World War I | 0 | - | 4.88 | 227,949 |
| Megadiverse Countries | 0 | - | 4.96 | 134,805 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,811 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,622 |
