| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,867 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,963 |
| Countries with Fjords | 0 | - | 4.94 | 101,159 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,812 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,617 |
| World's Longest Rivers | 0 | - | 4.90 | 137,276 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,803 |
| Megadiverse Countries | 0 | - | 4.96 | 135,131 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,116 |
| North Sea Countries | 0 | - | 4.92 | 87,585 |
| Black Sea Countries | 0 | - | 4.87 | 60,690 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,498 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,602 |
| Countries With No Rivers | 0 | - | 4.96 | 77,007 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,324 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,433 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,094 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,695 |
| Seas on the World Map | 0 | - | 4.96 | 135,724 |
| Seas of the World | 0 | - | 5.00 | 157,778 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,573 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,778 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,887 |
| Geologic Time Scale | 0 | - | 4.41 | 10,049 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,080 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,660 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,193 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,994 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,835 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,281 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,271 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,687 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,806 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,549 |
| Famous Rivers | 0 | - | 4.75 | 105,148 |
| City to River #1 | 0 | - | 4.59 | 35,879 |
| Most Populous River Basins | 0 | - | 4.55 | 39,772 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,421 |
| Boundary Waters | 0 | - | 4.92 | 88,653 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,324 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,451 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,995 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,765 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,189 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,028 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,680 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,657 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,342 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,044 |
| Rivers by City | 0 | - | 4.38 | 31,756 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,159 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,064 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,704,815 |
| Landlocked Countries | 0 | - | 4.99 | 423,494 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,801 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,182 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,650 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,684 |
| Biggest City by River | 0 | - | 4.38 | 52,921 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,664 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,206 |
| Himalayan Countries | 0 | - | 4.94 | 139,397 |
| Andean Countries | 0 | - | 4.94 | 84,979 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,185 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,361 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,750 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,068 |
| Danube Countries | 0 | - | 4.97 | 72,177 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,259 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,582 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,637 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,141 |
| European Landlocked Countries | 0 | - | 4.99 | 147,332 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,913 |
| Countries with the Most Species | 0 | - | 4.99 | 103,392 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,058 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,668 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,778 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,656 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,415 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,814 |
| Countries in the Alps | 0 | - | 4.87 | 118,441 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,951 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,384 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,788 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,774 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,692 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,077 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,872 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,641 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,281 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,997 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,748 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,616 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,360 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,611 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,682 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,285 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,447 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,055 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,308 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,758 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,566 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,355 |
| Largest Countries By Category | 0 | - | 4.97 | 158,498 |
| Countries by Countries | 0 | - | 4.96 | 63,412 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,943 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,338 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,606 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,174 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,179 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,852 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,789,582 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,869 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,912 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,625 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,557 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,455 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,419 |
| Longest International Borders | 0 | - | 4.99 | 265,470 |
| Countries with Three Borders | 0 | - | 4.96 | 36,673 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,224 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,335 |
| Demonym of Every Country | 0 | - | 4.90 | 61,065 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,352 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,918 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,574 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,922 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,416 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,000 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,324 |
| Island Countries | 0 | - | 4.99 | 711,621 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,924 |
| Northernmost Countries | 0 | - | 4.99 | 362,810 |
| Countries of South America | 0 | - | 5.00 | 929,536 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,635 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,882,224 |
| "Land" Countries | 0 | - | 4.98 | 337,780 |
| Top World Languages | 0 | - | 4.92 | 826,661 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,629 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,741 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,363 |
| Countries with Megacities | 0 | - | 4.99 | 265,649 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,146 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,711 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,421 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,787 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,881 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,743 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,935 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,851 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,693 |
| Countries by Capital City | 0 | - | 5.00 | 68,963 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,580 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,997 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,580 |
| Moved Capital Cities | 0 | - | 4.96 | 74,486 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,718 |
| Countries by Official Language | 0 | - | 4.95 | 195,566 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,829 |
| Countries in their Native Language | 0 | - | 4.99 | 199,345 |
| Independence from Whom | 0 | - | 4.99 | 212,474 |
| Subdivisions by Country | 0 | - | 4.87 | 50,514 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,014 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,367 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,441 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,326 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,154 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,327 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,678 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,679 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,452 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,732 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,198 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,013 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,989 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,303 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,041 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,463 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,584 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,637 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,708 |
| World Map Quiz | 0 | - | 4.81 | 65,316 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,074 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,505 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,339 |
| Countries by Founding Story | 0 | - | 4.95 | 77,502 |
| Countries by Road Signs | 0 | - | 4.98 | 54,171 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,492 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,537 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,233 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,809 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,122 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,244 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,473 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,543 |
| Tallest Countries North to South | 0 | - | 4.83 | 125,426 |
| Widest Countries East to West | 0 | - | 4.92 | 129,979 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,499 |
