| Regions of Countries #2 | 0 | - | 4.95 | 124,354 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,215 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,400 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,643,115 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,734,588 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,329 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,460 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,241 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,641 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,198 |
| Countries with Four Letters | 0 | - | 4.99 | 424,791 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,501 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,371 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,525 |
| Landlocked Countries | 0 | - | 4.99 | 423,845 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,572 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,961 |
| Country Chain | 0 | - | 4.96 | 217,969 |
| Countries by Emojis | 0 | - | 4.99 | 241,197 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,353 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,732 |
| Islands by Country #1 | 0 | - | 4.90 | 175,829 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,279 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,146 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,022 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,567 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,066 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,120 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,060 |
| Name a Valid Country #6 | 0 | - | 4.94 | 140,827 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,920 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,359 |
| Himalayan Countries | 0 | - | 4.94 | 139,534 |
| Andean Countries | 0 | - | 4.94 | 85,065 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,247 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,460 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,807 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,119 |
| Danube Countries | 0 | - | 4.97 | 72,212 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,309 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,626 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,714 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,219 |
| European Landlocked Countries | 0 | - | 4.99 | 147,380 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,984 |
| Countries with the Most Species | 0 | - | 4.99 | 103,424 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,114 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,793 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,700 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,439 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,853 |
| Countries in the Alps | 0 | - | 4.87 | 118,496 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,084 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,460 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,814 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,815 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,750 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,923 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,674 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,299 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,018 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,762 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,632 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,390 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,722 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,382 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,476 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,243 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,365 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,928 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,664 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,381 |
| Largest Countries By Category | 0 | - | 4.97 | 158,550 |
| Countries by Countries | 0 | - | 4.96 | 63,443 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,013 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,350 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,908 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,269 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,110 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,574 |
| Island Countries | 0 | - | 4.99 | 711,774 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,482 |
| Northernmost Countries | 0 | - | 4.99 | 363,089 |
| Mountains by Country | 0 | - | 4.56 | 81,924 |
| Countries of South America | 0 | - | 5.00 | 929,999 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,300 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,447 |
| "Land" Countries | 0 | - | 4.98 | 337,892 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,469 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,540 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,975 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,748 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,564 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,177 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,485 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,381 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,430 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,138 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,524 |
| Random Countries by Borders | 0 | - | 4.99 | 82,857 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,982 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,450 |
| Countries with Megacities | 0 | - | 4.99 | 265,888 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,242 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,755 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,501 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,854 |
| Countries by Official Language | 0 | - | 4.95 | 195,649 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,115 |
| Countries in their Native Language | 0 | - | 4.99 | 199,424 |
| Independence from Whom | 0 | - | 4.99 | 212,573 |
| Subdivisions by Country | 0 | - | 4.87 | 50,536 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,075 |
| Megadiverse Countries | 0 | - | 4.96 | 135,157 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,448 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,344 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,164 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,375 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,700 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,743 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,471 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,748 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,207 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,097 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,269 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,332 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,062 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,478 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,603 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,842 |
| World Map Quiz | 0 | - | 4.81 | 65,381 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,332 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,281 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,532 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,667 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,686 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,340 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,970 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,202 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,324 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,537 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,587 |
| Tallest Countries North to South | 0 | - | 4.85 | 129,082 |
| Widest Countries East to West | 0 | - | 4.92 | 130,203 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,531 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,027 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,932 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,810 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,085 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,447 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,853 |
| Companies by Country | 0 | - | 4.61 | 120,009 |
| Landforms by Country | 0 | - | 4.52 | 52,004 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,145 |
| Airlines by Country | 0 | - | 4.52 | 135,686 |
| Countries with Double Letters | 0 | - | 4.96 | 96,689 |
| Countries that End in N | 0 | - | 4.95 | 171,570 |
| Countries with Five Letters | 0 | - | 4.96 | 283,219 |
| Countries with Six Letters | 0 | - | 4.94 | 214,030 |
| Countries with W | 0 | - | 4.96 | 160,644 |
| Countries with Z | 0 | - | 4.98 | 291,973 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,012 |
| Countries That End in U | 0 | - | 4.95 | 121,027 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,800 |
| Countries that End in O | 0 | - | 4.92 | 159,673 |
| Countries that End in R | 0 | - | 4.87 | 119,075 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,833 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,472 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,939 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,653 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,581 |
| Countries That End in Y | 0 | - | 4.91 | 186,000 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,192 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,079 |
| Countries that End in I | 0 | - | 4.94 | 135,217 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,382 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,936 |
| Countries That End in NIA | 0 | - | 4.92 | 109,927 |
| Countries That End in BIA | 0 | - | 4.93 | 149,406 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,339 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,627 |
| Countries That End in RIA | 0 | - | 4.93 | 126,942 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,219 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,114 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,961 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,398 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,941 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,693 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,191 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,493 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,726 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,547 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,524 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,209 |
