| Country Chain | 0 | - | 4.96 | 217,748 |
| Random Countries by Borders | 0 | - | 4.99 | 82,721 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,636,365 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,254 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,635,942 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,690 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,785 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,640 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,150 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,925 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,344 |
| Countries with Four Letters | 0 | - | 4.99 | 423,670 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,129 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,049 |
| Landlocked Countries | 0 | - | 4.99 | 422,654 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,042 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,730 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,814 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,226 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,390 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,544 |
| Capital Cities Chain | 0 | - | 4.84 | 83,022 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,226 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,536 |
| Countries by Emojis | 0 | - | 4.99 | 240,626 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,178 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,008 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,094 |
| Islands by Country #1 | 0 | - | 4.90 | 175,615 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,769 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,148 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,906 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,458 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,609 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,845 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,684 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,706 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,858 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,852 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,099 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 728,370 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,456 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,854 |
| Himalayan Countries | 0 | - | 4.95 | 139,034 |
| Andean Countries | 0 | - | 4.93 | 84,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,027 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,106 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,616 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,929 |
| Danube Countries | 0 | - | 4.97 | 72,099 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,500 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,454 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,946 |
| European Landlocked Countries | 0 | - | 4.99 | 147,234 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,772 |
| Countries with the Most Species | 0 | - | 4.99 | 103,310 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,894 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,632 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,751 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,599 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,320 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,744 |
| Countries in the Alps | 0 | - | 4.87 | 118,315 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,549 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,197 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,721 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,674 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,587 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,001 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,758 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,570 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,227 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,925 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,574 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,299 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,543 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,608 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,063 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,373 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,508 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,207 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,307 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,331 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,286 |
| Largest Countries By Category | 0 | - | 4.97 | 158,350 |
| Countries by Countries | 0 | - | 4.96 | 63,322 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,778 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,311 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,751 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,213 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,706 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,743 |
| Island Countries | 0 | - | 4.99 | 711,278 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,727 |
| Northernmost Countries | 0 | - | 4.99 | 362,287 |
| Countries of South America | 0 | - | 5.00 | 928,302 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,131 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,372 |
| "Land" Countries | 0 | - | 4.98 | 337,541 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,563 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,063 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,247 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,400 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,334 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,897 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,643 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,356 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,010 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,384 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,875 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,841 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,767 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,243 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,281 |
| European Countries with One Border | 0 | - | 4.97 | 183,220 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,990 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,544 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 241,008 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,099 |
| Countries with Megacities | 0 | - | 4.99 | 265,028 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,586 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,175 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,660 |
| Countries by Official Language | 0 | - | 4.95 | 195,383 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,556 |
| Countries in their Native Language | 0 | - | 4.99 | 199,170 |
| Independence from Whom | 0 | - | 4.99 | 212,259 |
| Subdivisions by Country | 0 | - | 4.87 | 50,464 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,851 |
| Megadiverse Countries | 0 | - | 4.96 | 135,070 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,207 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,390 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,272 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,131 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,216 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,637 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,565 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,211 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,695 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,169 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,829 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,930 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,246 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,002 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,396 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,526 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,402 |
| World Map Quiz | 0 | - | 4.81 | 65,184 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,823 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,633 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,412 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,225 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,356 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,064 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,422 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,968 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,074 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,355 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,481 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,618 |
| Widest Countries East to West | 0 | - | 4.92 | 129,716 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,472 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,459 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,145 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,814 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,647 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,936 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,398 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,814 |
| Countries with Double Letters | 0 | - | 4.96 | 96,385 |
| Countries that End in N | 0 | - | 4.95 | 171,271 |
| Countries with Five Letters | 0 | - | 4.96 | 282,760 |
| Countries with Six Letters | 0 | - | 4.94 | 213,712 |
| Countries with W | 0 | - | 4.97 | 160,443 |
| Countries with Z | 0 | - | 4.98 | 291,621 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,805 |
| Countries That End in U | 0 | - | 4.95 | 120,901 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,565 |
| Countries that End in O | 0 | - | 4.92 | 159,555 |
| Countries that End in R | 0 | - | 4.87 | 119,003 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,765 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,235 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,763 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,532 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,454 |
| Countries That End in Y | 0 | - | 4.91 | 185,917 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,010 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,931 |
| Countries that End in I | 0 | - | 4.94 | 135,135 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,190 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,857 |
| Countries That End in NIA | 0 | - | 4.92 | 109,835 |
| Countries That End in BIA | 0 | - | 4.93 | 149,271 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,173 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,480 |
| Countries That End in RIA | 0 | - | 4.93 | 126,855 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,073 |
