| Name a Valid Country #1 | 0 | - | 4.99 | 283,563 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,427 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,602 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,817 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,423 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,232 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,050 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,599 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,860 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,353 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,462 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,390 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,924,373 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,135 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,803 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,190 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,139 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,247 |
| Countries with Four Letters | 0 | - | 4.99 | 418,559 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,858 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,203 |
| Landlocked Countries | 0 | - | 4.99 | 413,667 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,005 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,333 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,447 |
| Country Chain | 0 | - | 4.96 | 215,743 |
| Countries by Emojis | 0 | - | 4.99 | 236,206 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,118 |
| Islands by Country #1 | 0 | - | 4.87 | 174,496 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,927 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,289 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,339 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,302 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,827 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,606 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,610 |
| Himalayan Countries | 0 | - | 4.95 | 135,378 |
| Andean Countries | 0 | - | 4.94 | 82,831 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,223 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,222 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,909 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,615 |
| Danube Countries | 0 | - | 4.97 | 71,084 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,540 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,410 |
| European Landlocked Countries | 0 | - | 4.99 | 145,759 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,218 |
| Countries with the Most Species | 0 | - | 4.99 | 95,242 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,354 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,829 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,572 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,264 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,426 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,170 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,007 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,583 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,309 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,064 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,197 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,045 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,756 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,075 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,650 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,325 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,682 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,605 |
| Largest Countries By Category | 0 | - | 4.97 | 156,766 |
| Countries by Countries | 0 | - | 4.96 | 62,259 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,393 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,774 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,032 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,135 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,875 |
| Island Countries | 0 | - | 4.99 | 707,645 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,515 |
| Northernmost Countries | 0 | - | 4.99 | 357,754 |
| Countries of South America | 0 | - | 5.00 | 914,864 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,580 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,546 |
| "Land" Countries | 0 | - | 4.98 | 333,666 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,452 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,462 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,353 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,341 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,858 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,467 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,682 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,636 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,138 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,607 |
| Random Countries by Borders | 0 | - | 4.99 | 81,682 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,261 |
| Countries with Megacities | 0 | - | 4.99 | 246,972 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,149 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,991 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,566 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,887 |
| Countries by Official Language | 0 | - | 4.95 | 192,778 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,145 |
| Countries in their Native Language | 0 | - | 4.99 | 196,644 |
| Independence from Whom | 0 | - | 4.99 | 209,704 |
| Subdivisions by Country | 0 | - | 4.86 | 50,068 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,763 |
| Megadiverse Countries | 0 | - | 4.97 | 133,906 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,809 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,921 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,429 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,862 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,669 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,007 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,031 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,150 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,215 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,746 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,578 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,423 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,500 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,506 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,681 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,030 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,604 |
| World Map Quiz | 0 | - | 4.81 | 63,497 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,235 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,483 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,833 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,700 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,334 |
| Countries by Founding Story | 0 | - | 4.95 | 76,546 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,361 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,996 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,956 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,782 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,859 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,065 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,280 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,951 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,338 |
| Widest Countries East to West | 0 | - | 4.92 | 128,608 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,218 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,220 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,570 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,691 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,636 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,048 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,051 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,584 |
| Countries with Double Letters | 0 | - | 4.97 | 93,396 |
| Countries that End in N | 0 | - | 4.94 | 156,888 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,695 |
| Countries with Six Letters | 0 | - | 4.93 | 210,373 |
| Countries with W | 0 | - | 4.97 | 158,234 |
| Countries with Z | 0 | - | 4.98 | 287,886 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,557 |
| Countries That End in U | 0 | - | 4.95 | 119,520 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,564 |
| Countries that End in O | 0 | - | 4.92 | 158,558 |
| Countries that End in R | 0 | - | 4.87 | 118,275 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,860 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,040 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,337 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,499 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,025 |
| Countries That End in Y | 0 | - | 4.90 | 185,207 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,382 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,694 |
| Countries that End in I | 0 | - | 4.94 | 134,415 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,203 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,196 |
| Countries That End in NIA | 0 | - | 4.92 | 109,012 |
| Countries That End in BIA | 0 | - | 4.92 | 147,721 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,068 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,487 |
| Countries That End in RIA | 0 | - | 4.93 | 126,084 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,012 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,203 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,527 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,890 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,361 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,928 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,126 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,649 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,513 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,816 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,150 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,817 |
