| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,676 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,887 |
| Countries with Fjords | 0 | - | 4.94 | 101,012 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,737 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,548 |
| World's Longest Rivers | 0 | - | 4.90 | 136,974 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,234 |
| Megadiverse Countries | 0 | - | 4.96 | 134,989 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,065 |
| North Sea Countries | 0 | - | 4.92 | 87,469 |
| Black Sea Countries | 0 | - | 4.87 | 60,645 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,440 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,540 |
| Countries With No Rivers | 0 | - | 4.96 | 76,893 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,271 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,254 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,922 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,548 |
| Seas on the World Map | 0 | - | 4.96 | 135,511 |
| Seas of the World | 0 | - | 5.00 | 157,298 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,538 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,625 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,784 |
| Geologic Time Scale | 0 | - | 4.41 | 10,033 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,009 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,548 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,130 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,895 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,816 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,256 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,252 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,646 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,717 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,467 |
| Famous Rivers | 0 | - | 4.75 | 105,049 |
| City to River #1 | 0 | - | 4.59 | 35,861 |
| Most Populous River Basins | 0 | - | 4.55 | 39,741 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,382 |
| Boundary Waters | 0 | - | 4.92 | 88,555 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,230 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,240 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,668 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,576 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,017 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,025 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,331 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,589 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,288 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,025 |
| Rivers by City | 0 | - | 4.38 | 31,737 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,099 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,034 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,564,059 |
| Landlocked Countries | 0 | - | 4.99 | 421,721 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,695 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,998 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,375 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,386 |
| Biggest City by River | 0 | - | 4.38 | 52,882 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,890 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,325 |
| Himalayan Countries | 0 | - | 4.95 | 138,610 |
| Andean Countries | 0 | - | 4.93 | 84,546 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,733 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,734 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,371 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,757 |
| Danube Countries | 0 | - | 4.97 | 71,976 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,980 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,392 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,252 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,726 |
| European Landlocked Countries | 0 | - | 4.99 | 147,116 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,588 |
| Countries with the Most Species | 0 | - | 4.99 | 103,212 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,719 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,574 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,708 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,522 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,207 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,633 |
| Countries in the Alps | 0 | - | 4.87 | 118,170 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,952 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,996 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,629 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,576 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,474 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,932 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,649 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,468 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,168 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,820 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,640 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,506 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,199 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,446 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,496 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,841 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,290 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,418 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,034 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,808 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,038 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,204 |
| Largest Countries By Category | 0 | - | 4.97 | 158,174 |
| Countries by Countries | 0 | - | 4.96 | 63,188 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,656 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,272 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,556 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,502 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,982 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,655 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,777,063 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,687 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,848 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,488 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,489 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,944 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,272 |
| Longest International Borders | 0 | - | 4.99 | 265,167 |
| Countries with Three Borders | 0 | - | 4.96 | 36,598 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,112 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,206 |
| Demonym of Every Country | 0 | - | 4.91 | 60,629 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,330 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,825 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,485 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,376 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,977 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,440 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,042 |
| Island Countries | 0 | - | 4.99 | 710,959 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,548 |
| Northernmost Countries | 0 | - | 4.99 | 361,842 |
| Countries of South America | 0 | - | 5.00 | 927,085 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,489 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,566 |
| "Land" Countries | 0 | - | 4.98 | 337,266 |
| Top World Languages | 0 | - | 4.92 | 823,932 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,446 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,532 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,817 |
| Countries with Megacities | 0 | - | 4.99 | 264,409 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,684 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,441 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,943 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,506 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,401 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,479 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,522 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,643 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,449 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,253 |
| Countries by Capital City | 0 | - | 5.00 | 68,580 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,330 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,783 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,362 |
| Moved Capital Cities | 0 | - | 4.96 | 74,314 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,623 |
| Countries by Official Language | 0 | - | 4.95 | 195,207 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,298 |
| Countries in their Native Language | 0 | - | 4.99 | 198,996 |
| Independence from Whom | 0 | - | 4.99 | 212,035 |
| Subdivisions by Country | 0 | - | 4.86 | 50,423 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,686 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,038 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,334 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,222 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,094 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,092 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,580 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,429 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,017 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,634 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,134 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,637 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,862 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,191 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,949 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,340 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,477 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,064 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,121 |
| World Map Quiz | 0 | - | 4.81 | 65,048 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,161 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,331 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,102 |
| Countries by Founding Story | 0 | - | 4.95 | 77,346 |
| Countries by Road Signs | 0 | - | 4.98 | 53,991 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,037 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,250 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,969 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,129 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,863 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,984 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,272 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,428 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,553 |
| Widest Countries East to West | 0 | - | 4.92 | 129,621 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,444 |
