| Word Scramble - Countries | 0 | - | 4.88 | 2,129,209 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,652 |
| Random Countries by Borders | 0 | - | 4.99 | 83,236 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,060 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,241 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,057 |
| Random Country to Capital | 0 | - | 4.98 | 930,785 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,000,827 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,268 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,873 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,016 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,009 |
| Countries with Four Letters | 0 | - | 4.99 | 426,656 |
| Historical City to Country | 0 | - | 4.85 | 79,116 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,442 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,305 |
| Landlocked Countries | 0 | - | 4.99 | 427,635 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,406 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,757 |
| Country Chain | 0 | - | 4.96 | 218,727 |
| Countries by Emojis | 0 | - | 4.99 | 242,974 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,753 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,540 |
| Islands by Country #1 | 0 | - | 4.90 | 176,818 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,381 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,695 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,504 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,131 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,505 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,391 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,736 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,734 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,541 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,772 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,722 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,104 |
| Himalayan Countries | 0 | - | 4.93 | 140,986 |
| Andean Countries | 0 | - | 4.94 | 85,884 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,992 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,609 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,541 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,746 |
| Danube Countries | 0 | - | 4.97 | 72,602 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,864 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,008 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,519 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,989 |
| European Landlocked Countries | 0 | - | 4.99 | 147,811 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,595 |
| Countries with the Most Species | 0 | - | 4.99 | 103,667 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,699 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,827 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,968 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,950 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,703 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,167 |
| Countries in the Alps | 0 | - | 4.87 | 119,038 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,103 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,243 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,090 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,213 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,183 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,419 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,635 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,030 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,534 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,347 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,975 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,849 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,700 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,954 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,057 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,233 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,766 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,733 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,885 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,522 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,614 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,637 |
| Largest Countries By Category | 0 | - | 4.97 | 159,157 |
| Countries by Countries | 0 | - | 4.97 | 63,846 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,510 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,457 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,275 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,962 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,147 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,591 |
| Island Countries | 0 | - | 4.99 | 713,160 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,639 |
| Northernmost Countries | 0 | - | 4.99 | 364,793 |
| Countries of South America | 0 | - | 5.00 | 934,813 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,151 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,411 |
| "Land" Countries | 0 | - | 4.98 | 339,150 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,955 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,861 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,807 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,242 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,059 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,263 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,759 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,935 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,737 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,554 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,129 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,416 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,663 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,981 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,625 |
| Countries with Megacities | 0 | - | 4.99 | 268,121 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,275 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,399 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,607 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,508 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,137 |
| Countries by Official Language | 0 | - | 4.95 | 196,314 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,065 |
| Countries in their Native Language | 0 | - | 4.99 | 200,025 |
| Independence from Whom | 0 | - | 4.99 | 213,515 |
| Subdivisions by Country | 0 | - | 4.87 | 50,681 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,743 |
| Megadiverse Countries | 0 | - | 4.96 | 149,697 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,207 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,593 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,839 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,271 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,533 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,950 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,369 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,650 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,200 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,298 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,870 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,515 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,528 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,241 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,666 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,006 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,868 |
| World Map Quiz | 0 | - | 4.81 | 65,976 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,587 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 160,132 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,852 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,608 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,283 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,754 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,038 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,611 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,721 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,899 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,783 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,006 |
| Widest Countries East to West | 0 | - | 4.92 | 130,899 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,459 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,583 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,193 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,404 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,646 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,933 |
| Countries with Double Letters | 0 | - | 4.96 | 97,753 |
| Countries that End in N | 0 | - | 4.95 | 172,757 |
| Countries with Five Letters | 0 | - | 4.96 | 284,812 |
| Countries with Six Letters | 0 | - | 4.94 | 215,088 |
| Countries with W | 0 | - | 4.96 | 161,408 |
| Countries with Z | 0 | - | 4.98 | 293,149 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,778 |
| Countries That End in U | 0 | - | 4.95 | 121,448 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,531 |
| Countries that End in O | 0 | - | 4.92 | 160,421 |
| Countries that End in R | 0 | - | 4.87 | 119,312 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,084 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,242 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,503 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,290 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,958 |
| Countries That End in Y | 0 | - | 4.91 | 186,199 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,493 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,473 |
| Countries that End in I | 0 | - | 4.94 | 135,460 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,433 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,177 |
| Countries That End in NIA | 0 | - | 4.92 | 110,189 |
| Countries That End in BIA | 0 | - | 4.93 | 149,787 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,999 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,941 |
| Countries That End in RIA | 0 | - | 4.93 | 127,192 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,587 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,056 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,447 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,915 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,475 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,950 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,509 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,621 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 126,103 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,761 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,960 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,672 |
