| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,447,151 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 70,949 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,806 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,024 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,351 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 69,575 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 70,875 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 90,298 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 67,358 |
| One Border Countries | 0 | - | 4.98 | 413,774 |
| Random Countries by Borders | 0 | - | 4.99 | 67,181 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 103,702 |
| Countries of the World in 1900 | 0 | - | 4.88 | 67,850 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 172,714 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 129,945 |
| Countries with the Most Borders | 0 | - | 4.97 | 362,250 |
| Countries by Borders #1 | 0 | - | 4.99 | 177,961 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 288,691 |
| Longest Border by Country #1 | 0 | - | 4.99 | 136,907 |
| Largest Countries with No Borders | 0 | - | 4.96 | 203,008 |
| Countries with Two Borders | 0 | - | 4.99 | 128,751 |
| Countries by Borders #2 | 0 | - | 4.96 | 119,627 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 121,528 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 121,316 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 97,709 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 79,401 |
| Countries by Borders #3 | 0 | - | 4.99 | 91,121 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 73,000 |
| Longest Border by Country #2 | 0 | - | 4.96 | 114,555 |
| Longest Border by Country #3 | 0 | - | 4.99 | 72,549 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,511,906 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,349 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,164 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,827 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,108 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,537 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,178 |
| Pixelated World Map | 0 | - | 5.00 | 129,671 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,141,597 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 88,161 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 50,202 |
| Countries with the Shortest Total Borders | 0 | - | 4.93 | 94,515 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,206,174 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 117,353 |
| Which Country Does Not Border... | 0 | - | 4.81 | 86,694 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 48,096 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 30,155 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,900 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 225,344 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 212,287 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 278,497 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 7,431 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,401 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,935 |
| Members of the Arab League | 0 | - | 4.85 | 65,175 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,356 |
| Himalayan Countries | 0 | - | 4.94 | 107,348 |
| Andean Countries | 0 | - | 4.91 | 59,706 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,778 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,466 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,845 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,650 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,975 |
| Danube Countries | 0 | - | 4.96 | 57,070 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,087 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,173 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,282 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,099 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,396 |
| European Landlocked Countries | 0 | - | 4.99 | 136,776 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,513 |
| Countries with the Most Species | 0 | - | 4.99 | 89,767 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,002 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,915 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,221 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,822 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,746 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,000 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,675 |
| Countries in the Alps | 0 | - | 4.84 | 103,502 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,122 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,760 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,077 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,141 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,650 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,112 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,274 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,590 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,591 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,192 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,951 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,916 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,326 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,464 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,033 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,810 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,775 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,856 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,513 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,581 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,675 |
| Largest Countries By Category | 0 | - | 4.97 | 146,015 |
| Countries by Countries | 0 | - | 4.96 | 55,315 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,683 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,064 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,003 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,581 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,185 |
| European Countries with One Border | 0 | - | 4.96 | 152,082 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,734 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 89,156 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.85 | 50,182 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 102,470 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,625 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,355 |
| Island Countries Quiz | 0 | - | 4.99 | 666,218 |
| Biggest Countries by Area | 0 | - | 5.00 | 942,957 |
| Northernmost Countries | 0 | - | 4.99 | 330,019 |
| Countries of South America | 0 | - | 5.00 | 804,983 |
| Countries of Oceania | 0 | - | 5.00 | 907,367 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,599,447 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 331,868 |
| Countries Bordering France | 0 | - | 4.87 | 360,327 |
| Countries Bordering Germany | 0 | - | 4.99 | 343,288 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 80,652 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,027 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,794 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 130,009 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,285 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 94,768 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.90 | 88,566 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,010 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 63,482 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,336 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,281 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,112 |
| Countries with Megacities | 0 | - | 4.99 | 200,511 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,272 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,290 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,448 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,290 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,460 |
| Countries by Official Language | 0 | - | 4.96 | 174,531 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,892 |
| Countries in their Native Language | 0 | - | 4.98 | 179,678 |
| Independence from Whom | 0 | - | 4.99 | 188,083 |
| Subdivisions by Country | 0 | - | 4.82 | 46,763 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,954 |
| Megadiverse Countries | 0 | - | 4.96 | 126,302 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,850 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,290 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,689 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,595 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,642 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,122 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,497 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,732 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,681 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,047 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,704 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,219 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,141 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,779 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,101,033 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 85,021 |
| World Map Quiz | 0 | - | 4.91 | 50,784 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,917 |
| Countries by Founding Story | 0 | - | 4.93 | 55,597 |
| Countries by Road Signs | 0 | - | 4.98 | 45,975 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,992 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,166 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,428 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,401 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,397 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,676 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,764 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,762 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,246 |
| Widest Countries East to West | 0 | - | 4.93 | 120,209 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,044 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,051 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,540 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,093 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,319 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,251 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,913 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,689 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,301 |
| Countries with Double Letters | 0 | - | 4.96 | 71,014 |
| Countries that End in N | 0 | - | 4.94 | 135,262 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,590 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,742 |
| Countries with W | 0 | - | 4.96 | 125,050 |
| Countries with Z | 0 | - | 4.98 | 262,892 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,124 |
| Countries That End in U | 0 | - | 4.95 | 108,998 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,714 |
| Countries that End in O | 0 | - | 4.92 | 148,311 |
| Countries that End in R | 0 | - | 4.85 | 97,131 |
