| Word Scramble - Countries | 0 | - | 4.86 | 2,096,328 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,526 |
| Random Countries by Borders | 0 | - | 4.99 | 82,169 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,609,525 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,291 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,153 |
| Random Country to Capital | 0 | - | 4.98 | 916,655 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,246,509 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,512 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,724 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,493 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,014 |
| Countries with Four Letters | 0 | - | 4.99 | 421,035 |
| Historical City to Country | 0 | - | 4.84 | 78,382 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,937 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,061 |
| Landlocked Countries | 0 | - | 4.99 | 417,696 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,262 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,507 |
| Country Chain | 0 | - | 4.96 | 216,626 |
| Countries by Emojis | 0 | - | 4.99 | 238,229 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,557 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,262 |
| Islands by Country #1 | 0 | - | 4.88 | 174,968 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,259 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,604 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,569 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,748,822 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,147 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,867 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,607 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,557 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,842 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,656 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,665 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,395 |
| Himalayan Countries | 0 | - | 4.94 | 136,907 |
| Andean Countries | 0 | - | 4.95 | 83,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,939 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,268 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,602 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,184 |
| Danube Countries | 0 | - | 4.97 | 71,530 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,365 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,944 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,406 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,467 |
| European Landlocked Countries | 0 | - | 4.99 | 146,351 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,958 |
| Countries with the Most Species | 0 | - | 4.99 | 102,628 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,083 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,378 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,550 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,228 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,887 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,270 |
| Countries in the Alps | 0 | - | 4.86 | 117,496 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,008 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,128 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,335 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,853 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,953 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,367 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,127 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,085 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,885 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,435 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,419 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,270 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,826 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,099 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,110 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,943 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,974 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,504 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,367 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,695 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,887 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,910 |
| Largest Countries By Category | 0 | - | 4.97 | 157,447 |
| Countries by Countries | 0 | - | 4.96 | 62,720 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,036 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,121 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,202 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,931 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,269 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,471 |
| Island Countries | 0 | - | 4.99 | 709,266 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,725 |
| Northernmost Countries | 0 | - | 4.99 | 359,937 |
| Countries of South America | 0 | - | 5.00 | 921,316 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,017 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,534 |
| "Land" Countries | 0 | - | 4.98 | 335,446 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,419 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,836 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,833 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,563 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,209 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,996 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,349 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,999 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,087 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,174 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,492 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,337 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,909 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,404 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,631 |
| Countries with Megacities | 0 | - | 4.99 | 249,672 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,468 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,803 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,724 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,124 |
| Countries by Official Language | 0 | - | 4.95 | 194,412 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,235 |
| Countries in their Native Language | 0 | - | 4.99 | 197,972 |
| Independence from Whom | 0 | - | 4.99 | 211,072 |
| Subdivisions by Country | 0 | - | 4.86 | 50,241 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,519 |
| Megadiverse Countries | 0 | - | 4.96 | 134,680 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,103 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,138 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,692 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,982 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,567 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,300 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,787 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,706 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,433 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,852 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,588 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,646 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,777 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,712 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,953 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,273 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,861 |
| World Map Quiz | 0 | - | 4.81 | 64,311 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,836 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,950 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,890 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,272 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,799 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,522 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,013 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,401 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,580 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,738 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,204 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,191 |
| Widest Countries East to West | 0 | - | 4.92 | 129,255 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,354 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,796 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,964 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,426 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,089 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,447 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,179 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,704 |
| Countries with Double Letters | 0 | - | 4.97 | 94,796 |
| Countries that End in N | 0 | - | 4.95 | 169,272 |
| Countries with Five Letters | 0 | - | 4.96 | 277,051 |
| Countries with Six Letters | 0 | - | 4.94 | 212,142 |
| Countries with W | 0 | - | 4.97 | 159,304 |
| Countries with Z | 0 | - | 4.98 | 289,486 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,502 |
| Countries That End in U | 0 | - | 4.95 | 120,293 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,529 |
| Countries that End in O | 0 | - | 4.92 | 159,107 |
| Countries that End in R | 0 | - | 4.87 | 118,655 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,437 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,099 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,961 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,975 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,560 |
| Countries That End in Y | 0 | - | 4.90 | 185,576 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,059 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,272 |
| Countries that End in I | 0 | - | 4.94 | 134,786 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,890 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,504 |
| Countries That End in NIA | 0 | - | 4.92 | 109,424 |
| Countries That End in BIA | 0 | - | 4.93 | 148,722 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,582 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,934 |
| Countries That End in RIA | 0 | - | 4.93 | 126,441 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,520 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,383 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,051 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,394 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,985 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,249 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,577 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,112 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,008 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,126 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,695 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,378 |
