| Solve the Secret Country #1 | 0 | - | 4.94 | 167,185 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,588 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,168 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,334 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,074 |
| Random Countries by Borders | 0 | - | 4.99 | 82,843 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,642,298 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,081 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,757 |
| Random Country to Capital | 0 | - | 4.98 | 925,108 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,723,621 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,397 |
| Countries with Four Letters | 0 | - | 4.99 | 424,705 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,456 |
| Landlocked Countries | 0 | - | 4.99 | 423,727 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,528 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,917 |
| Country Chain | 0 | - | 4.96 | 217,941 |
| Countries by Emojis | 0 | - | 4.99 | 241,124 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,343 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,617 |
| Islands by Country #1 | 0 | - | 4.90 | 175,807 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,971 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,318 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,112 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,381 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,659 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,122 |
| Name a Valid Country #2 | 0 | - | 4.98 | 252,709 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,782 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,750 |
| Name a Valid Country #6 | 0 | - | 4.94 | 136,601 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,414 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,306 |
| Himalayan Countries | 0 | - | 4.94 | 139,480 |
| Andean Countries | 0 | - | 4.94 | 85,029 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,231 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,419 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,788 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,098 |
| Danube Countries | 0 | - | 4.97 | 72,203 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,289 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,617 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,695 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,195 |
| European Landlocked Countries | 0 | - | 4.99 | 147,360 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,966 |
| Countries with the Most Species | 0 | - | 4.99 | 103,408 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,099 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,679 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,790 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,681 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,431 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,844 |
| Countries in the Alps | 0 | - | 4.87 | 118,475 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,040 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,427 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,805 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,802 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,728 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,093 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,906 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,662 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,290 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,013 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,757 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,624 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,378 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,633 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,716 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,350 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,472 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,178 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,347 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,867 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,636 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,374 |
| Largest Countries By Category | 0 | - | 4.97 | 158,531 |
| Countries by Countries | 0 | - | 4.96 | 63,432 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,993 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,344 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,615 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,892 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,135 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,072 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,476 |
| Island Countries | 0 | - | 4.99 | 711,717 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,281 |
| Northernmost Countries | 0 | - | 4.99 | 362,989 |
| Countries of South America | 0 | - | 5.00 | 929,852 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,062 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,882,941 |
| "Land" Countries | 0 | - | 4.98 | 337,845 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,448 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,526 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,470 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,964 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,733 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,231 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,159 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,474 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,315 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,380 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,090 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,491 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,388 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,906 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,420 |
| Countries with Megacities | 0 | - | 4.99 | 265,791 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,213 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,742 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,827 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,253 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,316 |
| Countries by Official Language | 0 | - | 4.95 | 195,616 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,976 |
| Countries in their Native Language | 0 | - | 4.99 | 199,389 |
| Independence from Whom | 0 | - | 4.99 | 212,532 |
| Subdivisions by Country | 0 | - | 4.87 | 50,524 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,057 |
| Megadiverse Countries | 0 | - | 4.96 | 135,152 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,416 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,454 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,337 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,160 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,363 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,693 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,720 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,464 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,743 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,205 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,075 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,120 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,322 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,054 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,469 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,595 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,780 |
| World Map Quiz | 0 | - | 4.81 | 65,368 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,270 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,220 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,525 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,619 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,644 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,305 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,926 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,174 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,299 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,510 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,574 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,335 |
| Widest Countries East to West | 0 | - | 4.92 | 130,149 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,522 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,006 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,438 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,921 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,797 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,070 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,445 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,848 |
| Countries with Double Letters | 0 | - | 4.96 | 96,650 |
| Countries that End in N | 0 | - | 4.95 | 171,543 |
| Countries with Five Letters | 0 | - | 4.96 | 283,165 |
| Countries with Six Letters | 0 | - | 4.94 | 213,997 |
| Countries with W | 0 | - | 4.96 | 160,619 |
| Countries with Z | 0 | - | 4.98 | 291,934 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,991 |
| Countries That End in U | 0 | - | 4.95 | 121,009 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,777 |
| Countries that End in O | 0 | - | 4.92 | 159,662 |
| Countries that End in R | 0 | - | 4.87 | 119,065 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,826 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,454 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,928 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,645 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,566 |
| Countries That End in Y | 0 | - | 4.91 | 185,991 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,183 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,065 |
| Countries that End in I | 0 | - | 4.94 | 135,209 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,364 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,926 |
| Countries That End in NIA | 0 | - | 4.92 | 109,914 |
| Countries That End in BIA | 0 | - | 4.93 | 149,390 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,327 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,604 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,207 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,069 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,944 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,385 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,918 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,684 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,179 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,488 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,709 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,540 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,505 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,193 |
