| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,454 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,196 |
| World's Longest Rivers | 0 | - | 4.89 | 136,252 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,988 |
| North Sea Countries | 0 | - | 4.92 | 87,321 |
| Black Sea Countries | 0 | - | 4.87 | 60,580 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,330 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,427 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,300 |
| Seas on the World Map | 0 | - | 4.96 | 135,176 |
| Seas of the World | 0 | - | 5.00 | 156,483 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,773 |
| Countries with Fjords | 0 | - | 4.94 | 100,805 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,618 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,430 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,719 |
| Countries With No Rivers | 0 | - | 4.96 | 76,718 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 62,001 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,339 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,348 |
| Famous Rivers | 0 | - | 4.75 | 104,903 |
| City to River #1 | 0 | - | 4.59 | 35,834 |
| Most Populous River Basins | 0 | - | 4.55 | 39,685 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,662 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,316 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,281 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,217 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,213 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,599 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,382 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,637 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,676 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,915 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,365 |
| Megadiverse Countries | 0 | - | 4.96 | 134,789 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,207 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,994 |
| Rivers by City | 0 | - | 4.38 | 31,703 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,013 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,008 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,494 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,047 |
| Geologic Time Scale | 0 | - | 4.46 | 10,004 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,761 |
| Biggest City by River | 0 | - | 4.41 | 52,830 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,791 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,509 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,482 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,008 |
| Boundary Waters | 0 | - | 4.92 | 88,392 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,100 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,947 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,228 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,366 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,354,821 |
| Landlocked Countries | 0 | - | 4.99 | 419,234 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,514 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,662 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,716 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,963 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,477 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,122 |
| Himalayan Countries | 0 | - | 4.95 | 137,542 |
| Andean Countries | 0 | - | 4.95 | 83,999 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,266 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,741 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,887 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,390 |
| Danube Countries | 0 | - | 4.97 | 71,699 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,608 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,092 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,705 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,778 |
| European Landlocked Countries | 0 | - | 4.99 | 146,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,170 |
| Countries with the Most Species | 0 | - | 4.99 | 102,946 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,316 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,437 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,598 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,328 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,005 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,391 |
| Countries in the Alps | 0 | - | 4.87 | 117,737 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,167 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,427 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,439 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,025 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,138 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,737 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,314 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,218 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,981 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,580 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,502 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,351 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,955 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,211 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,236 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,248 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,084 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,584 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,561 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,513 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,294 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,015 |
| Largest Countries By Category | 0 | - | 4.97 | 157,686 |
| Countries by Countries | 0 | - | 4.96 | 62,865 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,252 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,171 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,681 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,353 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,609 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,402 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,752 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,252 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,399 |
| Rivers on Borders | 0 | - | 4.02 | 22,687 |
| Rivers A-Z | 0 | - | 4.35 | 32,769 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,154 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,090 |
| Longest International Borders | 0 | - | 4.99 | 264,709 |
| Countries with Three Borders | 0 | - | 4.96 | 36,466 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,928 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,033 |
| Demonym of Every Country | 0 | - | 4.91 | 59,177 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,249 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,539 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,682 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,258 |
| Island Countries | 0 | - | 4.99 | 709,884 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,347 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,380 |
| Northernmost Countries | 0 | - | 4.99 | 360,611 |
| Countries of South America | 0 | - | 5.00 | 923,267 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,638 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,245 |
| "Land" Countries | 0 | - | 4.98 | 335,863 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,290 |
| All Country Flags of the World | 0 | - | 5.00 | 3,652,027 |
| Top World Languages | 0 | - | 4.92 | 820,559 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,357 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,192 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,729 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,835 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,115 |
| Countries with Megacities | 0 | - | 4.99 | 261,242 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,971 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,044 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,251 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,062 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,116 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,914 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,014 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,272 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,318 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,025 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,704 |
| Countries by Capital City | 0 | - | 5.00 | 67,990 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,010 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,498 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,775 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,009 |
| Moved Capital Cities | 0 | - | 4.96 | 74,080 |
| Countries by Official Language | 0 | - | 4.95 | 194,687 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,606 |
| Countries in their Native Language | 0 | - | 4.99 | 198,240 |
| Independence from Whom | 0 | - | 4.99 | 211,386 |
| Subdivisions by Country | 0 | - | 4.86 | 50,299 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,763 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,582 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,201 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,765 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,027 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,738 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,399 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,017 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,861 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,506 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,999 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,045 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,732 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,008 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,794 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,168 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,337 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,275 |
| World Map Quiz | 0 | - | 4.81 | 64,631 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,730 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,063 |
| Countries by Founding Story | 0 | - | 4.95 | 77,094 |
| Countries by Road Signs | 0 | - | 4.98 | 53,681 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,567 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,962 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,680 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,412 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,550 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,706 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,857 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,286 |
