| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 709,279 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 276,991 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 377,229 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,779,548 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,084,436 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,082 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,410 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,476 |
| Anagram Chain - Countries | 0 | - | 4.99 | 114,752 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,074 |
| Countries with Four Letters | 0 | - | 4.99 | 417,573 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,411 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 62,786 |
| Landlocked Countries | 0 | - | 4.99 | 411,921 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 954,812 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 197,916 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,090 |
| Country Chain | 0 | - | 4.96 | 215,410 |
| Countries by Emojis | 0 | - | 4.99 | 235,308 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 54,919 |
| Islands by Country #1 | 0 | - | 4.87 | 174,268 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,728 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,104 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,208 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,703,172 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,152 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,280 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,225 |
| Name a Valid Country #2 | 0 | - | 4.98 | 245,748 |
| Name a Valid Country #4 | 0 | - | 4.97 | 250,911 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,307 |
| Name a Valid Country #6 | 0 | - | 4.94 | 125,957 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,080 |
| Sahara Desert Countries | 0 | - | 4.98 | 159,799 |
| Himalayan Countries | 0 | - | 4.95 | 134,733 |
| Andean Countries | 0 | - | 4.94 | 82,478 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 61,931 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,700 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,572 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,329 |
| Danube Countries | 0 | - | 4.97 | 70,866 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,497 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,362 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,087 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 146,985 |
| European Landlocked Countries | 0 | - | 4.99 | 145,566 |
| Partially Recognized Countries | 0 | - | 4.98 | 104,899 |
| Countries with the Most Species | 0 | - | 4.99 | 95,123 |
| Countries 197 to 205 | 0 | - | 4.89 | 68,988 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,144 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,305 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,846 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,433 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,772 |
| Countries in the Alps | 0 | - | 4.87 | 116,551 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,355 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 104,843 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,874 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,247 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 114,961 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 94,867 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,358 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,610 |
| Largest Country by Body of Water | 0 | - | 4.96 | 50,180 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,882 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,116 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,950 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,276 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,593 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,591 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,659 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,490 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,133 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,445 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,270 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,101 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,472 |
| Largest Countries By Category | 0 | - | 4.97 | 156,468 |
| Countries by Countries | 0 | - | 4.96 | 62,063 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,079 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,902 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,279 |
| Country Flags With Only Two Colors | 0 | - | 4.93 | 87,550 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,211 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,492 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,522 |
| Island Countries | 0 | - | 4.99 | 706,797 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,037,177 |
| Northernmost Countries | 0 | - | 4.99 | 356,728 |
| Countries of South America | 0 | - | 5.00 | 911,967 |
| Countries of Oceania | 0 | - | 5.00 | 1,036,728 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,842,237 |
| "Land" Countries | 0 | - | 4.98 | 333,225 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,196 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,293 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,167 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,225 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,691 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,357,587 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,346 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,438 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,114 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 232,958 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,261 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 189,703 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,062 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,605 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,636 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,460 |
| Random Countries by Borders | 0 | - | 4.99 | 81,471 |
| Random Name a Valid Country | 0 | - | 4.99 | 202,713 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 235,164 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,652 |
| Countries with Megacities | 0 | - | 4.99 | 245,577 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,536 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,617 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,037 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,518 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,806 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,481 |
| Countries by Official Language | 0 | - | 4.95 | 192,365 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,570 |
| Countries in their Native Language | 0 | - | 4.99 | 196,105 |
| Independence from Whom | 0 | - | 4.99 | 209,202 |
| Subdivisions by Country | 0 | - | 4.86 | 50,003 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,432 |
| Megadiverse Countries | 0 | - | 4.97 | 133,769 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,453 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,832 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,229 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,804 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,349 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,887 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,437 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 152,850 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,082 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,652 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,203 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,311 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,378 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,394 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,558 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,874 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,630 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,066 |
| World Map Quiz | 0 | - | 4.81 | 63,216 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 151,765 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 105,982 |
| Countries by Founding Story | 0 | - | 4.95 | 76,355 |
| Countries by Road Signs | 0 | - | 4.98 | 52,855 |
| Southernmost Countries of the World | 0 | - | 4.99 | 225,959 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,745 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,751 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,253 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,673 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,875 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,094 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,821 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,181 |
| Widest Countries East to West | 0 | - | 4.92 | 128,451 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,169 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 184,959 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,481 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,549 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,441 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,879 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 69,003 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,526 |
| Countries with Double Letters | 0 | - | 4.97 | 93,041 |
| Countries that End in N | 0 | - | 4.94 | 156,148 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,277 |
| Countries with Six Letters | 0 | - | 4.93 | 210,010 |
| Countries with W | 0 | - | 4.97 | 157,980 |
| Countries with Z | 0 | - | 4.98 | 287,086 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,121 |
| Countries That End in U | 0 | - | 4.95 | 119,375 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,061 |
| Countries that End in O | 0 | - | 4.92 | 158,410 |
| Countries that End in R | 0 | - | 4.86 | 118,104 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,771 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,679 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,070 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,301 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 140,449 |
| Countries That End in Y | 0 | - | 4.90 | 185,103 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,049 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,450 |
| Countries that End in I | 0 | - | 4.94 | 134,189 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 181,892 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,078 |
| Countries That End in NIA | 0 | - | 4.92 | 108,856 |
| Countries That End in BIA | 0 | - | 4.92 | 147,531 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,622 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,331 |
| Countries That End in RIA | 0 | - | 4.93 | 125,946 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,848 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,737 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,309 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,675 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,104 |
