| Name a Valid Country #1 | 0 | - | 4.99 | 294,013 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,374 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,409 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,326 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,590 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,152 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,991 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,603 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,572 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,297 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,697 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,007 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,756,494 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,994 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,622 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,383 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,776 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,270 |
| Countries with Four Letters | 0 | - | 4.99 | 424,977 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,597 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,450 |
| Landlocked Countries | 0 | - | 4.99 | 424,140 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,391 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,656 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,063 |
| Country Chain | 0 | - | 4.96 | 218,108 |
| Countries by Emojis | 0 | - | 4.99 | 241,318 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,393 |
| Islands by Country #1 | 0 | - | 4.90 | 176,059 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,071 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,402 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,270 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,132 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,286 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,088 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,475 |
| Himalayan Countries | 0 | - | 4.94 | 139,644 |
| Andean Countries | 0 | - | 4.94 | 85,117 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,305 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,540 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,871 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,161 |
| Danube Countries | 0 | - | 4.97 | 72,240 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,371 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,665 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,784 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,269 |
| European Landlocked Countries | 0 | - | 4.99 | 147,417 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,024 |
| Countries with the Most Species | 0 | - | 4.99 | 103,448 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,163 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,693 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,805 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,721 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,450 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,869 |
| Countries in the Alps | 0 | - | 4.87 | 118,528 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,188 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,514 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,834 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,841 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,772 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,114 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,956 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,699 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,321 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,035 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,775 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,640 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,413 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,653 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,745 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,431 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,492 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,403 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,441 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,054 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,743 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,405 |
| Largest Countries By Category | 0 | - | 4.97 | 158,587 |
| Countries by Countries | 0 | - | 4.96 | 63,467 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,044 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,356 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,633 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,941 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,614 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,199 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,724 |
| Island Countries | 0 | - | 4.99 | 711,915 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,869 |
| Northernmost Countries | 0 | - | 4.99 | 363,253 |
| Countries of South America | 0 | - | 5.00 | 930,420 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,813 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,402 |
| "Land" Countries | 0 | - | 4.98 | 337,971 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,525 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,571 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,512 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,988 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,773 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,737 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,210 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,505 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,843 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,435 |
| Random Countries by Borders | 0 | - | 4.99 | 82,886 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,610 |
| Countries with Megacities | 0 | - | 4.99 | 266,108 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,361 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,810 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,641 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,937 |
| Countries by Official Language | 0 | - | 4.95 | 195,712 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,216 |
| Countries in their Native Language | 0 | - | 4.99 | 199,481 |
| Independence from Whom | 0 | - | 4.99 | 212,670 |
| Subdivisions by Country | 0 | - | 4.87 | 50,548 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,158 |
| Megadiverse Countries | 0 | - | 4.96 | 135,168 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,600 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,468 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,365 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,171 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,402 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,725 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,835 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,481 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,761 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,215 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,135 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,283 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,351 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,073 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,493 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,613 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,926 |
| World Map Quiz | 0 | - | 4.81 | 65,409 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,106 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,349 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,468 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,441 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,550 |
| Countries by Founding Story | 0 | - | 4.95 | 77,626 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,914 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,828 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,397 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,120 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,242 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,375 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,572 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,606 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,733 |
| Widest Countries East to West | 0 | - | 4.92 | 130,268 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,548 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,061 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,958 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,832 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,327 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,456 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,859 |
| Countries with Double Letters | 0 | - | 4.96 | 96,744 |
| Countries that End in N | 0 | - | 4.95 | 171,632 |
| Countries with Five Letters | 0 | - | 4.96 | 283,304 |
| Countries with Six Letters | 0 | - | 4.94 | 214,080 |
| Countries with W | 0 | - | 4.96 | 160,699 |
| Countries with Z | 0 | - | 4.98 | 292,049 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,057 |
| Countries That End in U | 0 | - | 4.95 | 121,055 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,845 |
| Countries that End in O | 0 | - | 4.92 | 159,697 |
| Countries that End in R | 0 | - | 4.87 | 119,096 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,846 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,529 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,971 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,683 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,606 |
| Countries That End in Y | 0 | - | 4.91 | 186,014 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,238 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,107 |
| Countries that End in I | 0 | - | 4.94 | 135,231 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,427 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,954 |
| Countries That End in NIA | 0 | - | 4.92 | 109,944 |
| Countries That End in BIA | 0 | - | 4.93 | 149,427 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,368 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,647 |
| Countries That End in RIA | 0 | - | 4.93 | 126,961 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,247 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,181 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,990 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,426 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,977 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,716 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,215 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,503 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,750 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,563 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,545 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,244 |
