| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,823 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,670 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,411 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,330 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,622,936 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,559 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,725 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,360 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,501 |
| Countries with Four Letters | 0 | - | 4.99 | 422,418 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,591 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,598 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,454,430 |
| Landlocked Countries | 0 | - | 4.99 | 420,455 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,646 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,716 |
| Country Chain | 0 | - | 4.96 | 217,089 |
| Countries by Emojis | 0 | - | 4.99 | 239,700 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,927 |
| Islands by Country #1 | 0 | - | 4.88 | 175,287 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,522 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,884 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,240 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,734 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,024 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,880 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,706 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,576 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,986 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,431 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,681 |
| Himalayan Countries | 0 | - | 4.95 | 138,068 |
| Andean Countries | 0 | - | 4.95 | 84,254 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,477 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,305 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,111 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,552 |
| Danube Countries | 0 | - | 4.97 | 71,826 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,783 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,228 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,958 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,406 |
| European Landlocked Countries | 0 | - | 4.99 | 146,958 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,370 |
| Countries with the Most Species | 0 | - | 4.99 | 103,086 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,527 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,500 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,657 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,440 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,113 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,499 |
| Countries in the Alps | 0 | - | 4.87 | 117,952 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,307 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,688 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,446 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,299 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,831 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,463 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,336 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,069 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,699 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,563 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,418 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,066 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,345 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,360 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,519 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,177 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,123 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,685 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,817 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,142 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,654 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,104 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,750 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,467 |
| Largest Countries By Category | 0 | - | 4.97 | 157,917 |
| Countries by Countries | 0 | - | 4.97 | 63,005 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,688 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,205 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,098 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,066 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,200 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,459 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,827 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,499 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,082 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,779 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,856 |
| Random Countries by Borders | 0 | - | 4.99 | 82,437 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,059 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,233 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,028 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,193 |
| Island Countries | 0 | - | 4.99 | 710,361 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,510 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,793 |
| Northernmost Countries | 0 | - | 4.99 | 361,202 |
| Countries of South America | 0 | - | 5.00 | 924,990 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,922 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,725 |
| "Land" Countries | 0 | - | 4.98 | 336,285 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,424 |
| UK Immigration by Country | 0 | - | 4.94 | 140,895 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,925 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,623 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,322 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,450 |
| Countries with Megacities | 0 | - | 4.99 | 263,357 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,291 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,239 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,582 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,277 |
| Countries by Official Language | 0 | - | 4.95 | 194,922 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,937 |
| Countries in their Native Language | 0 | - | 4.99 | 198,449 |
| Independence from Whom | 0 | - | 4.99 | 211,702 |
| Subdivisions by Country | 0 | - | 4.86 | 50,359 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,976 |
| Megadiverse Countries | 0 | - | 4.96 | 134,879 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,786 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,253 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,844 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,903 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,475 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,213 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,934 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,563 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,040 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,333 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,794 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,092 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,865 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,253 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,412 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,654 |
| World Map Quiz | 0 | - | 4.81 | 64,858 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,394 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,191 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,774 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,087 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,827 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,763 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,710 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,846 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,054 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,350 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,431 |
| Widest Countries East to West | 0 | - | 4.92 | 129,499 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,160 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,061 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,639 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,406 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,700 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,310 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,763 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,653 |
| Countries with Double Letters | 0 | - | 4.97 | 95,388 |
| Countries that End in N | 0 | - | 4.95 | 170,428 |
| Countries with Five Letters | 0 | - | 4.96 | 281,361 |
| Countries with Six Letters | 0 | - | 4.94 | 212,834 |
| Countries with W | 0 | - | 4.97 | 159,728 |
| Countries with Z | 0 | - | 4.98 | 290,641 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,990 |
| Countries That End in U | 0 | - | 4.95 | 120,524 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,009 |
| Countries that End in O | 0 | - | 4.92 | 159,291 |
| Countries that End in R | 0 | - | 4.87 | 118,809 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,580 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,619 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,334 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,223 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,840 |
| Countries That End in Y | 0 | - | 4.91 | 185,729 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,541 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,621 |
| Countries that End in I | 0 | - | 4.94 | 134,959 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,738 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,671 |
| Countries That End in NIA | 0 | - | 4.92 | 109,632 |
| Countries That End in BIA | 0 | - | 4.93 | 148,985 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,883 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,211 |
| Countries That End in RIA | 0 | - | 4.93 | 126,652 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,781 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,110 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,424 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,812 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,346 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,417 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,802 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,361 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,302 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,288 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,720 |
