| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,374 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,630,170 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,553,028 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,104,397 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,375 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,197 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,779 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,716 |
| Countries with Four Letters | 0 | - | 4.99 | 423,140 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,880 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,848 |
| Landlocked Countries | 0 | - | 4.99 | 421,596 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,960 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,197 |
| Country Chain | 0 | - | 4.96 | 217,328 |
| Countries by Emojis | 0 | - | 4.99 | 240,202 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,059 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,545 |
| Islands by Country #1 | 0 | - | 4.88 | 175,417 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,609 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,989 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,786 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,916 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,233 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,500 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,900 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,282 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,438 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,478 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,836 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 722,223 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,252 |
| Himalayan Countries | 0 | - | 4.95 | 138,545 |
| Andean Countries | 0 | - | 4.93 | 84,507 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,694 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,687 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,329 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,727 |
| Danube Countries | 0 | - | 4.97 | 71,957 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,957 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,379 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,219 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,691 |
| European Landlocked Countries | 0 | - | 4.99 | 147,085 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,559 |
| Countries with the Most Species | 0 | - | 4.99 | 103,194 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,692 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,559 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,702 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,509 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,192 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,614 |
| Countries in the Alps | 0 | - | 4.87 | 118,144 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,843 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,969 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,617 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,560 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,448 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,918 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,624 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,455 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,154 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,808 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,492 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,183 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,431 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,484 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,803 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,275 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,102 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,995 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,739 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,983 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,189 |
| Largest Countries By Category | 0 | - | 4.97 | 158,142 |
| Countries by Countries | 0 | - | 4.96 | 63,150 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,633 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,268 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,639 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,257 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,400 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,966 |
| Island Countries | 0 | - | 4.99 | 710,901 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,381 |
| Northernmost Countries | 0 | - | 4.99 | 361,782 |
| Countries of South America | 0 | - | 5.00 | 926,756 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,174 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,066 |
| "Land" Countries | 0 | - | 4.98 | 337,226 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,105 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,304 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,235 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,835 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,567 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,729 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,869 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,306 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,541 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,463 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,529 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,049 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,987 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,173 |
| Random Countries by Borders | 0 | - | 4.99 | 82,582 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,331 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,790 |
| Countries with Megacities | 0 | - | 4.99 | 264,332 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,646 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,415 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,912 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,481 |
| Countries by Official Language | 0 | - | 4.95 | 195,178 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,262 |
| Countries in their Native Language | 0 | - | 4.99 | 198,973 |
| Independence from Whom | 0 | - | 4.99 | 211,991 |
| Subdivisions by Country | 0 | - | 4.86 | 50,413 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,660 |
| Megadiverse Countries | 0 | - | 4.96 | 134,978 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,012 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,331 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,205 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,091 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,064 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,575 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,406 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,004 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,624 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,126 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,609 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,851 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,179 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,944 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,332 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,473 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,072 |
| World Map Quiz | 0 | - | 4.81 | 65,034 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,472 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,080 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,313 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,007 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,237 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,955 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,099 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,845 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,978 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,265 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,416 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,545 |
| Widest Countries East to West | 0 | - | 4.92 | 129,610 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,439 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,336 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,106 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,742 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,551 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,825 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,361 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,791 |
| Countries with Double Letters | 0 | - | 4.96 | 96,138 |
| Countries that End in N | 0 | - | 4.95 | 171,021 |
| Countries with Five Letters | 0 | - | 4.96 | 282,240 |
| Countries with Six Letters | 0 | - | 4.94 | 213,445 |
| Countries with W | 0 | - | 4.97 | 160,256 |
| Countries with Z | 0 | - | 4.98 | 291,331 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,616 |
| Countries That End in U | 0 | - | 4.95 | 120,807 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,376 |
| Countries that End in O | 0 | - | 4.92 | 159,483 |
| Countries that End in R | 0 | - | 4.87 | 118,946 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,701 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,992 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,633 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,429 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,350 |
| Countries That End in Y | 0 | - | 4.91 | 185,849 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,836 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,804 |
| Countries that End in I | 0 | - | 4.94 | 135,062 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,017 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,789 |
| Countries That End in NIA | 0 | - | 4.92 | 109,743 |
| Countries That End in BIA | 0 | - | 4.93 | 149,154 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,055 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,383 |
| Countries That End in RIA | 0 | - | 4.93 | 126,775 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,974 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,485 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,641 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,040 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,604 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,550 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,985 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,431 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,485 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,393 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,236 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,929 |
| Countries that End in L | 0 | - | 4.94 | 156,792 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,523 |
