| Name a Valid Country #1 | 0 | - | 4.99 | 295,187 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,107 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,117 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,988 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,051 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,600 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,749 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,138 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,082 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,696 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,012 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,906 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,866,655 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,123,034 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,240 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,149 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,368 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,636 |
| Countries with Four Letters | 0 | - | 4.99 | 425,727 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,996 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,884 |
| Landlocked Countries | 0 | - | 4.99 | 425,634 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,553 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,967 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,361 |
| Country Chain | 0 | - | 4.96 | 218,420 |
| Countries by Emojis | 0 | - | 4.99 | 242,383 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,567 |
| Islands by Country #1 | 0 | - | 4.90 | 176,318 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,209 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,535 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,377 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,430 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,878 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 742,170 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,158 |
| Himalayan Countries | 0 | - | 4.93 | 140,161 |
| Andean Countries | 0 | - | 4.94 | 85,391 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,539 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,928 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,117 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,393 |
| Danube Countries | 0 | - | 4.97 | 72,357 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,568 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,817 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,077 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,569 |
| European Landlocked Countries | 0 | - | 4.99 | 147,589 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,269 |
| Countries with the Most Species | 0 | - | 4.99 | 103,548 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,378 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,768 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,876 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,827 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,563 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,990 |
| Countries in the Alps | 0 | - | 4.87 | 118,745 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,574 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,830 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,946 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,007 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,933 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,234 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,376 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,843 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,407 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,157 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,855 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,732 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,542 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,769 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,870 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,787 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,596 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 66,091 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,642 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,612 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,104 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,490 |
| Largest Countries By Category | 0 | - | 4.97 | 158,835 |
| Countries by Countries | 0 | - | 4.96 | 63,624 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,229 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,392 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,663 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,093 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,281 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,639 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,613 |
| Island Countries | 0 | - | 4.99 | 712,500 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,529 |
| Northernmost Countries | 0 | - | 4.99 | 363,915 |
| Countries of South America | 0 | - | 5.00 | 932,481 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,054 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,743 |
| "Land" Countries | 0 | - | 4.98 | 338,343 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,713 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,698 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,652 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,086 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,903 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,261 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,434 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,664 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,421 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,521 |
| Random Countries by Borders | 0 | - | 4.99 | 83,074 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,106 |
| Countries with Megacities | 0 | - | 4.99 | 267,024 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,807 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,108 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,128 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,220 |
| Countries by Official Language | 0 | - | 4.95 | 195,964 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,597 |
| Countries in their Native Language | 0 | - | 4.99 | 199,711 |
| Independence from Whom | 0 | - | 4.99 | 213,026 |
| Subdivisions by Country | 0 | - | 4.87 | 50,609 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,409 |
| Megadiverse Countries | 0 | - | 4.96 | 135,270 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,925 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,532 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,637 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,224 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,852 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,836 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,099 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,565 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,025 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,251 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,501 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,367 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,440 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,139 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,570 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,830 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,319 |
| World Map Quiz | 0 | - | 4.81 | 65,702 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,367 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,449 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,938 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,164 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,702 |
| Countries by Founding Story | 0 | - | 4.95 | 77,785 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,226 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,064 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,544 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,539 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,418 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,518 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,717 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,684 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,681 |
| Widest Countries East to West | 0 | - | 4.92 | 130,447 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,595 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,242 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,512 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,055 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,959 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,470 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,494 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,888 |
| Countries with Double Letters | 0 | - | 4.96 | 97,046 |
| Countries that End in N | 0 | - | 4.95 | 171,897 |
| Countries with Five Letters | 0 | - | 4.96 | 283,722 |
| Countries with Six Letters | 0 | - | 4.94 | 214,443 |
| Countries with W | 0 | - | 4.96 | 160,911 |
| Countries with Z | 0 | - | 4.98 | 292,415 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,268 |
| Countries That End in U | 0 | - | 4.95 | 121,176 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,081 |
| Countries that End in O | 0 | - | 4.92 | 160,204 |
| Countries that End in R | 0 | - | 4.87 | 119,176 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,928 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,810 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,134 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,814 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,742 |
| Countries That End in Y | 0 | - | 4.91 | 186,083 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,440 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,265 |
| Countries that End in I | 0 | - | 4.94 | 135,309 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,607 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,049 |
| Countries That End in NIA | 0 | - | 4.92 | 110,043 |
| Countries That End in BIA | 0 | - | 4.93 | 149,567 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,525 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,761 |
| Countries That End in RIA | 0 | - | 4.93 | 127,045 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,382 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,572 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,170 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,611 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,161 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,798 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,321 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,534 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,897 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,647 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,714 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,406 |
