| Boundary Waters | 0 | - | 4.92 | 88,586 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,266 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,292 |
| Landlocked Countries | 0 | - | 4.99 | 422,211 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,601,882 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,043 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,443 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,451 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,605 |
| Himalayan Countries | 0 | - | 4.95 | 138,850 |
| Andean Countries | 0 | - | 4.93 | 84,681 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,881 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,923 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,511 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,854 |
| Danube Countries | 0 | - | 4.97 | 72,042 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,058 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,455 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,362 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,848 |
| European Landlocked Countries | 0 | - | 4.99 | 147,172 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,687 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,814 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,732 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,563 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,254 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,691 |
| Countries in the Alps | 0 | - | 4.87 | 118,243 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,263 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,079 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,677 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,624 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,547 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,967 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,700 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,516 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,198 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,876 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,541 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,244 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,499 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,552 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,967 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,333 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,090 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,127 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,060 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,191 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,254 |
| Largest Countries By Category | 0 | - | 4.97 | 158,255 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,718 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,299 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,573 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,695 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,732 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,864 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,527 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,504 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,050 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,306 |
| Longest International Borders | 0 | - | 4.99 | 265,233 |
| Countries with Three Borders | 0 | - | 4.96 | 36,625 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,139 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,239 |
| Demonym of Every Country | 0 | - | 4.91 | 60,760 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,576 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,399 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,338 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,760 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,063 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,578 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,490 |
| Island Countries | 0 | - | 4.99 | 711,133 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,170 |
| Northernmost Countries | 0 | - | 4.99 | 362,066 |
| Countries of South America | 0 | - | 5.00 | 927,684 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,410 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,052 |
| "Land" Countries | 0 | - | 4.98 | 337,408 |
| Top World Languages | 0 | - | 4.92 | 824,611 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,472 |
| Globe Grid | 0 | - | 4.32 | 32,013 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,949 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,576 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,963 |
| Countries with Megacities | 0 | - | 4.99 | 264,695 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,792 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,504 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,058 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,578 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,587 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,560 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,561 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,702 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,517 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,350 |
| Countries by Capital City | 0 | - | 5.00 | 68,664 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,391 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,829 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,427 |
| Moved Capital Cities | 0 | - | 4.96 | 74,362 |
| Countries by Official Language | 0 | - | 4.95 | 195,302 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,442 |
| Countries in their Native Language | 0 | - | 4.99 | 199,091 |
| Independence from Whom | 0 | - | 4.99 | 212,156 |
| Subdivisions by Country | 0 | - | 4.86 | 50,438 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,771 |
| Megadiverse Countries | 0 | - | 4.96 | 135,037 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,136 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,375 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,247 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,117 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,168 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,609 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,508 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,048 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,671 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,154 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,712 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,899 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,219 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,983 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,368 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,507 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,294 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,255 |
| World Map Quiz | 0 | - | 4.81 | 65,135 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,407 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,374 |
| Countries by Founding Story | 0 | - | 4.95 | 77,394 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,136 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,307 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,018 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,272 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,918 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,031 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,322 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,456 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,591 |
| Widest Countries East to West | 0 | - | 4.92 | 129,671 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,462 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,403 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,127 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,783 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,618 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,887 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,380 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,802 |
| Countries with Double Letters | 0 | - | 4.96 | 96,279 |
| Countries that End in N | 0 | - | 4.95 | 171,163 |
| Countries with Five Letters | 0 | - | 4.96 | 282,564 |
| Countries with Six Letters | 0 | - | 4.94 | 213,601 |
| Countries with W | 0 | - | 4.97 | 160,353 |
| Countries with Z | 0 | - | 4.98 | 291,508 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,732 |
| Countries That End in U | 0 | - | 4.95 | 120,864 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,492 |
| Countries that End in O | 0 | - | 4.92 | 159,518 |
| Countries that End in R | 0 | - | 4.87 | 118,975 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,738 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,141 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,709 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,484 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,411 |
| Countries That End in Y | 0 | - | 4.91 | 185,884 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,953 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,872 |
| Countries that End in I | 0 | - | 4.94 | 135,106 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,134 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,827 |
| Countries That End in NIA | 0 | - | 4.92 | 109,796 |
| Countries That End in BIA | 0 | - | 4.93 | 149,224 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,136 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,439 |
| Countries That End in RIA | 0 | - | 4.93 | 126,814 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,033 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,663 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,728 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,149 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,702 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,583 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,038 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,448 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,533 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,429 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,308 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,999 |
| Countries that End in L | 0 | - | 4.94 | 156,850 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,856 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,270 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,034 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,963 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,011 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,778 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,678 |
