| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,050 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,253 |
| World's Longest Rivers | 0 | - | 4.90 | 136,872 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,039 |
| North Sea Countries | 0 | - | 4.92 | 87,430 |
| Black Sea Countries | 0 | - | 4.87 | 60,626 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,404 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,504 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,574 |
| Seas on the World Map | 0 | - | 4.96 | 135,433 |
| Seas of the World | 0 | - | 5.00 | 157,135 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,862 |
| Countries with Fjords | 0 | - | 4.94 | 100,963 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,713 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,520 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,851 |
| Countries With No Rivers | 0 | - | 4.96 | 76,856 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,199 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,676 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,429 |
| Famous Rivers | 0 | - | 4.75 | 105,004 |
| City to River #1 | 0 | - | 4.59 | 35,851 |
| Most Populous River Basins | 0 | - | 4.55 | 39,727 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,849 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,366 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,505 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,248 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,239 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,641 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,582 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,741 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,748 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,992 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,513 |
| Megadiverse Countries | 0 | - | 4.96 | 134,939 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,277 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,014 |
| Rivers by City | 0 | - | 4.38 | 31,728 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,072 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,025 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,530 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,108 |
| Geologic Time Scale | 0 | - | 4.41 | 10,023 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,954 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,812 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,571 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,214 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,022 |
| Biggest City by River | 0 | - | 4.38 | 52,868 |
| Boundary Waters | 0 | - | 4.92 | 88,509 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,201 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,170 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,559 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,516 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,511,958 |
| Landlocked Countries | 0 | - | 4.99 | 421,129 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,656 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,916 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,271 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,282 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,061 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,031 |
| Himalayan Countries | 0 | - | 4.95 | 138,345 |
| Andean Countries | 0 | - | 4.93 | 84,390 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,610 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,530 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,240 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,888 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,314 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,125 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,582 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,627 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,679 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,478 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,157 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,571 |
| Countries in the Alps | 0 | - | 4.87 | 118,056 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,447 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,857 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,587 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,394 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,878 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,556 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,119 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,761 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,128 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,395 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,426 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,685 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,227 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,731 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,910 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,504 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,841 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,037 |
| Countries by Countries | 0 | - | 4.96 | 63,093 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,561 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,243 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,536 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,891 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,579 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,255 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,635 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,824 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,421 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,465 |
| Rivers on Borders | 0 | - | 4.02 | 22,699 |
| Rivers A-Z | 0 | - | 4.35 | 32,789 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,766 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,236 |
| Longest International Borders | 0 | - | 4.99 | 265,040 |
| Countries with Three Borders | 0 | - | 4.96 | 36,564 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,060 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,165 |
| Demonym of Every Country | 0 | - | 4.92 | 60,428 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,838 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,229 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,271 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,676 |
| Island Countries | 0 | - | 4.99 | 710,701 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,396 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,715 |
| Northernmost Countries | 0 | - | 4.99 | 361,556 |
| Countries of South America | 0 | - | 5.00 | 925,997 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,242 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,234 |
| "Land" Countries | 0 | - | 4.98 | 337,050 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,198 |
| All Country Flags of the World | 0 | - | 5.00 | 3,670,943 |
| Top World Languages | 0 | - | 4.92 | 823,069 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,420 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,445 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,762 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,613 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,662 |
| Countries with Megacities | 0 | - | 4.99 | 263,957 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,510 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,343 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,777 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,400 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,719 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,279 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,372 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,475 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,579 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,333 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,134 |
| Countries by Capital City | 0 | - | 5.00 | 68,433 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,246 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,725 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,701 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,296 |
| Moved Capital Cities | 0 | - | 4.96 | 74,263 |
| Countries by Official Language | 0 | - | 4.95 | 195,066 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,142 |
| Countries in their Native Language | 0 | - | 4.99 | 198,668 |
| Independence from Whom | 0 | - | 4.99 | 211,881 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,572 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,929 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,875 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,003 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,546 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,342 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,980 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,599 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,495 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,828 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,137 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,912 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,299 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,445 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,917 |
| World Map Quiz | 0 | - | 4.81 | 64,970 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,776 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Countries by Founding Story | 0 | - | 4.95 | 77,294 |
| Countries by Road Signs | 0 | - | 4.98 | 53,895 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,918 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,171 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,900 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,970 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,928 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,226 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,393 |
