| Regions of Countries #3 | 0 | - | 4.84 | 90,381 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,651 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,591,895 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,985,776 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,089,622 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,121 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,490 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,373 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,393 |
| Countries with Four Letters | 0 | - | 4.99 | 418,984 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,045 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,372 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,229 |
| Landlocked Countries | 0 | - | 4.99 | 414,414 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,477 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,597 |
| Country Chain | 0 | - | 4.96 | 215,891 |
| Countries by Emojis | 0 | - | 4.99 | 236,929 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,197 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,395 |
| Islands by Country #1 | 0 | - | 4.87 | 174,576 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,326 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,118 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,058 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,096 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,698 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,864 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,039 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,608 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,629 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,924 |
| Himalayan Countries | 0 | - | 4.95 | 135,637 |
| Andean Countries | 0 | - | 4.94 | 82,989 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,343 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,393 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,044 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,716 |
| Danube Countries | 0 | - | 4.97 | 71,159 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,869 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,619 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,656 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,561 |
| European Landlocked Countries | 0 | - | 4.99 | 145,861 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,328 |
| Countries with the Most Species | 0 | - | 4.99 | 95,289 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,477 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,228 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,644 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,010 |
| Countries in the Alps | 0 | - | 4.86 | 116,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,657 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,419 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,081 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,491 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,269 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,073 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,824 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,130 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,224 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,089 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,812 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,237 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,722 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,302 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,877 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,733 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,932 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Largest Countries By Category | 0 | - | 4.97 | 156,889 |
| Countries by Countries | 0 | - | 4.96 | 62,340 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,528 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,354 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,416 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,230 |
| Island Countries | 0 | - | 4.99 | 707,923 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,547 |
| Northernmost Countries | 0 | - | 4.99 | 358,153 |
| Mountains by Country | 0 | - | 4.64 | 81,563 |
| Countries of South America | 0 | - | 5.00 | 916,145 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,267 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,147 |
| "Land" Countries | 0 | - | 4.98 | 333,867 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,556 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,514 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,400 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,916 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,596 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,839 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,714 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,856 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,061 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,563 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,610 |
| Random Countries by Borders | 0 | - | 4.99 | 81,744 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,401 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,641 |
| Countries with Megacities | 0 | - | 4.99 | 247,603 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,484 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,212 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,895 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,139 |
| Countries by Official Language | 0 | - | 4.95 | 192,946 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,367 |
| Countries in their Native Language | 0 | - | 4.99 | 196,796 |
| Independence from Whom | 0 | - | 4.99 | 209,902 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,900 |
| Megadiverse Countries | 0 | - | 4.97 | 133,965 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,958 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,957 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,765 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,056 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,190 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,221 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,253 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,742 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,456 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,555 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,540 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,731 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,064 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,819 |
| World Map Quiz | 0 | - | 4.81 | 63,657 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,240 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,147 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,415 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,565 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,351 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,080 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,017 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,995 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,179 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,384 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,006 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,430 |
| Widest Countries East to West | 0 | - | 4.92 | 128,932 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,251 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,339 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,606 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,757 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,703 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,136 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,042 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,616 |
| Companies by Country | 0 | - | 4.61 | 118,800 |
| Landforms by Country | 0 | - | 4.52 | 51,922 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,901 |
| Airlines by Country | 0 | - | 4.52 | 134,868 |
| Countries with Double Letters | 0 | - | 4.96 | 93,549 |
| Countries that End in N | 0 | - | 4.94 | 157,032 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,854 |
| Countries with Six Letters | 0 | - | 4.93 | 210,529 |
| Countries with W | 0 | - | 4.97 | 158,332 |
| Countries with Z | 0 | - | 4.98 | 288,060 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,653 |
| Countries That End in U | 0 | - | 4.95 | 119,579 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,734 |
| Countries that End in O | 0 | - | 4.92 | 158,610 |
| Countries that End in R | 0 | - | 4.87 | 118,327 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,894 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,260 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,450 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,570 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,115 |
| Countries That End in Y | 0 | - | 4.90 | 185,250 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,496 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,797 |
| Countries that End in I | 0 | - | 4.94 | 134,487 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,330 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,249 |
| Countries That End in NIA | 0 | - | 4.92 | 109,066 |
| Countries That End in BIA | 0 | - | 4.92 | 147,779 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,161 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,567 |
| Countries That End in RIA | 0 | - | 4.93 | 126,142 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,099 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,501 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,599 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,966 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,455 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,969 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,199 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,721 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,590 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,852 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,234 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,904 |
