| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,802 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,358 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,814 |
| Name a Valid Country #2 | 0 | - | 4.98 | 247,097 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,470 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,352 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,874 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,119 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,298 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,775 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,766 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,628 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,596,507 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,801 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,683 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,538 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,253 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,523 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,050,549 |
| Landlocked Countries | 0 | - | 4.99 | 415,289 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,091,651 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,430 |
| Countries with Four Letters | 0 | - | 4.99 | 419,484 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,169 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,186 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,260 |
| Himalayan Countries | 0 | - | 4.95 | 135,951 |
| Andean Countries | 0 | - | 4.94 | 83,160 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,479 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,613 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,177 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,823 |
| Danube Countries | 0 | - | 4.97 | 71,259 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,988 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,705 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,844 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,784 |
| European Landlocked Countries | 0 | - | 4.99 | 145,953 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,505 |
| Countries with the Most Species | 0 | - | 4.99 | 95,340 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,636 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,646 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,068 |
| Countries in the Alps | 0 | - | 4.86 | 117,110 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,753 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,576 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,156 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,580 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,371 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Country Chain | 0 | - | 4.96 | 216,083 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,791 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,892 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,682 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,272 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,875 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,887 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,445 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,793 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,013 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,215 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,170 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,720 |
| Largest Countries By Category | 0 | - | 4.97 | 157,013 |
| Countries by Emojis | 0 | - | 4.99 | 237,256 |
| Countries by Countries | 0 | - | 4.96 | 62,434 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,292 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,656 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,021 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,376 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,931 |
| Islands by Country #1 | 0 | - | 4.87 | 174,654 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,050 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,393 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,419 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,445 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,817 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,748 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,765 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,732 |
| Island Countries | 0 | - | 4.99 | 708,297 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,603 |
| Northernmost Countries | 0 | - | 4.99 | 358,653 |
| Countries of South America | 0 | - | 5.00 | 917,676 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,019 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,033 |
| "Land" Countries | 0 | - | 4.98 | 334,082 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,688 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,580 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,499 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,440 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,994 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,829 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,998 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,797 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,731 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,755 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,710 |
| Random Countries by Borders | 0 | - | 4.99 | 81,821 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,882 |
| Countries with Megacities | 0 | - | 4.99 | 248,129 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,766 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,344 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,152 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,285 |
| Countries by Official Language | 0 | - | 4.95 | 193,163 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,681 |
| Countries in their Native Language | 0 | - | 4.99 | 196,994 |
| Independence from Whom | 0 | - | 4.99 | 210,130 |
| Subdivisions by Country | 0 | - | 4.86 | 50,145 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,047 |
| Megadiverse Countries | 0 | - | 4.97 | 134,405 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,161 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,008 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,535 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,903 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,875 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,120 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,319 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,440 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,297 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,785 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,904 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,515 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,619 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,580 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,792 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,118 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,115 |
| World Map Quiz | 0 | - | 4.81 | 63,785 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,604 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,579 |
| Countries by Founding Story | 0 | - | 4.95 | 76,710 |
| Countries by Road Signs | 0 | - | 4.98 | 53,271 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,770 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,511 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,231 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,300 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,105 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,304 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,495 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,073 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,523 |
| Widest Countries East to West | 0 | - | 4.92 | 129,021 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,476 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,648 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,817 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,224 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,607 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,641 |
| Countries with Double Letters | 0 | - | 4.96 | 93,674 |
| Countries that End in N | 0 | - | 4.94 | 157,136 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,023 |
| Countries with Six Letters | 0 | - | 4.93 | 210,683 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,234 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,752 |
| Countries That End in U | 0 | - | 4.95 | 119,611 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,869 |
| Countries that End in O | 0 | - | 4.92 | 158,657 |
| Countries that End in R | 0 | - | 4.87 | 118,376 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,934 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,406 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,556 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,646 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,197 |
| Countries That End in Y | 0 | - | 4.90 | 185,285 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,617 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,896 |
| Countries that End in I | 0 | - | 4.94 | 134,542 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,468 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,299 |
| Countries That End in NIA | 0 | - | 4.92 | 109,117 |
| Countries That End in BIA | 0 | - | 4.92 | 147,850 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,256 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,635 |
| Countries That End in RIA | 0 | - | 4.93 | 126,197 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,183 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,713 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,683 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,032 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,582 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,026 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,282 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,795 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,681 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,896 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,343 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,992 |
