| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,614 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,817 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,933,048 |
| Landlocked Countries | 0 | - | 4.99 | 426,758 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,579 |
| Countries by Emojis | 0 | - | 4.99 | 242,687 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,659 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,035 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,929 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,400 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,827 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,675 |
| Himalayan Countries | 0 | - | 4.93 | 140,608 |
| Andean Countries | 0 | - | 4.94 | 85,679 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,815 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,316 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,374 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,600 |
| Danube Countries | 0 | - | 4.97 | 72,497 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,919 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,328 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,779 |
| European Landlocked Countries | 0 | - | 4.99 | 147,688 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,443 |
| Countries with the Most Species | 0 | - | 4.99 | 103,615 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,553 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,798 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,929 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,636 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,091 |
| Countries in the Alps | 0 | - | 4.87 | 118,893 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,850 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,031 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,027 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,118 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,064 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,340 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,507 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,952 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,481 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,267 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,928 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,803 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,627 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,872 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,973 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,050 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,677 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,903 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,772 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,040 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,353 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,575 |
| Largest Countries By Category | 0 | - | 4.97 | 158,984 |
| Countries by Countries | 0 | - | 4.97 | 63,735 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,364 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,434 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,695 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,181 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,149 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,909 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,362 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,087 |
| Island Countries | 0 | - | 4.99 | 712,820 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,570 |
| Northernmost Countries | 0 | - | 4.99 | 364,358 |
| Countries of South America | 0 | - | 5.00 | 933,615 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,626 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,415 |
| "Land" Countries | 0 | - | 4.98 | 338,690 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,424 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,200 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,725 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,147 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,989 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,705 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,595 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,830 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,661 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,374 |
| Countries with Megacities | 0 | - | 4.99 | 267,553 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,028 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,258 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,361 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,361 |
| Countries by Official Language | 0 | - | 4.95 | 196,141 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,816 |
| Countries in their Native Language | 0 | - | 4.99 | 199,870 |
| Independence from Whom | 0 | - | 4.99 | 213,279 |
| Subdivisions by Country | 0 | - | 4.87 | 50,645 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,584 |
| Megadiverse Countries | 0 | - | 4.96 | 146,980 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,059 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,562 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,762 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,243 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,378 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,900 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,208 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,600 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,132 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,279 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,677 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,447 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,477 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,190 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,612 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,929 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,578 |
| World Map Quiz | 0 | - | 4.81 | 65,865 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,814 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,630 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,769 |
| Countries by Founding Story | 0 | - | 4.95 | 77,875 |
| Countries by Road Signs | 0 | - | 4.98 | 54,405 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,410 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,173 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,638 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,777 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,499 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,615 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,803 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,737 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,872 |
| Widest Countries East to West | 0 | - | 4.92 | 130,791 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,620 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,329 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,542 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,113 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,063 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,559 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,522 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,912 |
| Countries with Double Letters | 0 | - | 4.96 | 97,376 |
| Countries that End in N | 0 | - | 4.95 | 172,436 |
| Countries with Five Letters | 0 | - | 4.96 | 284,359 |
| Countries with Six Letters | 0 | - | 4.94 | 214,750 |
| Countries with W | 0 | - | 4.96 | 161,147 |
| Countries with Z | 0 | - | 4.98 | 292,756 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,507 |
| Countries That End in U | 0 | - | 4.95 | 121,304 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,283 |
| Countries that End in O | 0 | - | 4.92 | 160,303 |
| Countries that End in R | 0 | - | 4.87 | 119,239 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,009 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,018 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 179,712 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,019 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,286 |
| Countries That End in Y | 0 | - | 4.91 | 186,138 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,878 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,353 |
| Countries that End in I | 0 | - | 4.94 | 135,376 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,967 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,108 |
| Countries That End in NIA | 0 | - | 4.92 | 110,115 |
| Countries That End in BIA | 0 | - | 4.93 | 149,676 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,855 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,844 |
| Countries That End in RIA | 0 | - | 4.93 | 127,108 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,484 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,809 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,301 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,760 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,312 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,866 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,389 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,572 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,988 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,690 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,831 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,524 |
| Countries that End in L | 0 | - | 4.94 | 157,198 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,328 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,367 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,729 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,097 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,514 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,575 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,242 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,484 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,364 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 226,109 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,283 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,277 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,962 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,861 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,317 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,021 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,875 |
| Name a Valid African Country | 0 | - | 4.98 | 155,150 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,244 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,778 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,137 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,851,312 |
| One Border Countries | 0 | - | 4.98 | 472,322 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,657,105 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,186 |
