| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,938 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,616 |
| Countries with Fjords | 0 | - | 4.93 | 100,557 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,503 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,323 |
| World's Longest Rivers | 0 | - | 4.88 | 121,901 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,921 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,894 |
| North Sea Countries | 0 | - | 4.92 | 86,860 |
| Black Sea Countries | 0 | - | 4.87 | 60,489 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,199 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,306 |
| Countries With No Rivers | 0 | - | 4.96 | 76,269 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,073 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,583 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,606 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,255 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,942 |
| Seas on the World Map | 0 | - | 4.96 | 134,848 |
| Seas of the World | 0 | - | 5.00 | 155,747 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,384 |
| Megadiverse Countries | 0 | - | 4.96 | 134,602 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,094 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,466 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,809 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,183 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,422 |
| Geologic Time Scale | 0 | - | 4.46 | 9,983 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,926 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,323 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,543 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,776 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,552 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,201 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,187 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,541 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,185 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,257 |
| Famous Rivers | 0 | - | 4.74 | 104,731 |
| City to River #1 | 0 | - | 4.59 | 35,796 |
| Most Populous River Basins | 0 | - | 4.55 | 39,616 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,226 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,037 |
| Biggest City by River | 0 | - | 4.41 | 52,766 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,433 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,998 |
| Boundary Waters | 0 | - | 4.92 | 88,285 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,006 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,710 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,922 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,193 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,105 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,134 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,969 |
| Rivers by City | 0 | - | 4.38 | 31,676 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,924 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,969 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,210,873 |
| Landlocked Countries | 0 | - | 4.99 | 417,252 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,531 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,425 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,435 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,386 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,648 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,110 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,213 |
| Himalayan Countries | 0 | - | 4.95 | 136,759 |
| Andean Countries | 0 | - | 4.95 | 83,601 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,862 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,163 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,527 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,123 |
| Danube Countries | 0 | - | 4.97 | 71,486 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,299 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,902 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,296 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,293 |
| European Landlocked Countries | 0 | - | 4.99 | 146,194 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,874 |
| Countries with the Most Species | 0 | - | 4.99 | 102,374 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,001 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,355 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,535 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,204 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,856 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,234 |
| Countries in the Alps | 0 | - | 4.86 | 117,431 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,963 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,038 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,803 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,900 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,322 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,071 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,042 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,860 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,392 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,397 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,240 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,789 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,051 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,061 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,839 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,941 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,467 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,307 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,359 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,747 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,874 |
| Largest Countries By Category | 0 | - | 4.97 | 157,355 |
| Countries by Countries | 0 | - | 4.96 | 62,667 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,951 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,109 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,422 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,954 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,455 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,143 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,168 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,179 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,682 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,044 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,344 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,643 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,644 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,951 |
| Longest International Borders | 0 | - | 4.99 | 264,407 |
| Countries with Three Borders | 0 | - | 4.96 | 36,376 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,819 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,907 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,969 |
| Demonym of Every Country | 0 | - | 4.91 | 58,982 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,534 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,297 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,089 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,208 |
| Island Countries | 0 | - | 4.99 | 709,088 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,103 |
| Northernmost Countries | 0 | - | 4.99 | 359,708 |
| Countries of South America | 0 | - | 5.00 | 920,517 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,082 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,847 |
| "Land" Countries | 0 | - | 4.98 | 335,168 |
| Top World Languages | 0 | - | 4.92 | 818,195 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,010 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,725 |
| All Country Flags of the World | 0 | - | 5.00 | 3,635,391 |
| Rivers on Borders | 0 | - | 4.02 | 22,665 |
| Rivers A-Z | 0 | - | 4.35 | 32,743 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,283 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,263 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,954 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,599 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,257 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,885 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,095 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,484 |
| Countries with Megacities | 0 | - | 4.99 | 249,411 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,337 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,665 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,665 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,637 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,808 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,570 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,691 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,102 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,129 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,639 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,290 |
| Countries by Capital City | 0 | - | 5.00 | 67,613 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,818 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,312 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,004 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,769 |
| Moved Capital Cities | 0 | - | 4.96 | 73,932 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,234 |
| Countries by Official Language | 0 | - | 4.95 | 194,235 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,049 |
| Countries in their Native Language | 0 | - | 4.99 | 197,836 |
| Independence from Whom | 0 | - | 4.99 | 210,970 |
| Subdivisions by Country | 0 | - | 4.86 | 50,223 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,446 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,994 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,107 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,660 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,963 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,515 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,272 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,700 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,594 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,406 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,821 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,468 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,616 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,713 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,685 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,893 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,249 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,744 |
| World Map Quiz | 0 | - | 4.81 | 64,223 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,708 |