| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,053 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,026 |
| Countries with Fjords | 0 | - | 4.94 | 101,291 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,886 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,688 |
| World's Longest Rivers | 0 | - | 4.90 | 137,549 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,320 |
| Megadiverse Countries | 0 | - | 4.96 | 135,252 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,157 |
| North Sea Countries | 0 | - | 4.92 | 87,675 |
| Black Sea Countries | 0 | - | 4.87 | 60,729 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,567 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,663 |
| Countries With No Rivers | 0 | - | 4.96 | 77,105 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,362 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,971 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,291 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,822 |
| Seas on the World Map | 0 | - | 4.96 | 135,922 |
| Seas of the World | 0 | - | 5.00 | 158,298 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,621 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,932 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,980 |
| Geologic Time Scale | 0 | - | 4.41 | 10,064 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,146 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,779 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,243 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,095 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,847 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,305 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,286 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,722 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,907 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,643 |
| Famous Rivers | 0 | - | 4.75 | 105,217 |
| City to River #1 | 0 | - | 4.59 | 35,899 |
| Most Populous River Basins | 0 | - | 4.55 | 39,809 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,470 |
| Boundary Waters | 0 | - | 4.92 | 88,745 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,397 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,654 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,278 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,926 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,332 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,034 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,039 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,714 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,391 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,071 |
| Rivers by City | 0 | - | 4.38 | 31,771 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,207 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,081 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,843,524 |
| Landlocked Countries | 0 | - | 4.99 | 425,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,906 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,366 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,913 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,943 |
| Biggest City by River | 0 | - | 4.38 | 52,952 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,378 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,996 |
| Himalayan Countries | 0 | - | 4.93 | 140,027 |
| Andean Countries | 0 | - | 4.94 | 85,323 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,475 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,837 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,047 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,336 |
| Danube Countries | 0 | - | 4.97 | 72,323 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,504 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,775 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,998 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,509 |
| European Landlocked Countries | 0 | - | 4.99 | 147,548 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,208 |
| Countries with the Most Species | 0 | - | 4.99 | 103,526 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,334 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,753 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,856 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,797 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,531 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,964 |
| Countries in the Alps | 0 | - | 4.87 | 118,697 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,499 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,761 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,925 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,973 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,888 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,197 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,337 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,814 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,382 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,131 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,828 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,703 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,508 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,738 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,836 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,713 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,568 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,610 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,492 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,027 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,477 |
| Largest Countries By Category | 0 | - | 4.97 | 158,785 |
| Countries by Countries | 0 | - | 4.96 | 63,586 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,197 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,383 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,654 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,835 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,379 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,056 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,310 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,422 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,760 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,975 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,540 |
| Longest International Borders | 0 | - | 4.99 | 265,764 |
| Countries with Three Borders | 0 | - | 4.96 | 36,752 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,332 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,474 |
| Demonym of Every Country | 0 | - | 4.90 | 61,427 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,387 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,995 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,653 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,046 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,522 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,538 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,428 |
| Island Countries | 0 | - | 4.99 | 712,374 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,214 |
| Northernmost Countries | 0 | - | 4.99 | 363,769 |
| Countries of South America | 0 | - | 5.00 | 931,949 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,496 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,712 |
| "Land" Countries | 0 | - | 4.98 | 338,289 |
| Top World Languages | 0 | - | 4.92 | 829,192 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,717 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,951 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,021 |
| Countries with Megacities | 0 | - | 4.99 | 266,863 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,736 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,043 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,050 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,166 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,216 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,284 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,942 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,167 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,163 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,070 |
| Countries by Capital City | 0 | - | 5.00 | 69,300 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,814 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,182 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,767 |
| Moved Capital Cities | 0 | - | 4.96 | 74,615 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,787 |
| Countries by Official Language | 0 | - | 4.95 | 195,911 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,516 |
| Countries in their Native Language | 0 | - | 4.99 | 199,661 |
| Independence from Whom | 0 | - | 4.99 | 212,965 |
| Subdivisions by Country | 0 | - | 4.87 | 50,593 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,364 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,875 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,516 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,214 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,577 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,816 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,051 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,548 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,839 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,246 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,435 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,352 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,422 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,130 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,559 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,697 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,537 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,238 |
| World Map Quiz | 0 | - | 4.81 | 65,611 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,018 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,669 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,533 |
| Countries by Founding Story | 0 | - | 4.95 | 77,766 |
| Countries by Road Signs | 0 | - | 4.98 | 54,311 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,163 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,015 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,510 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,443 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,379 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,483 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,683 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,660 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,565 |
| Widest Countries East to West | 0 | - | 4.92 | 130,403 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,585 |
