| Name a Valid Country #3 | 0 | - | 4.98 | 209,600 |
| Name a Valid Country #1 | 0 | - | 4.99 | 227,716 |
| Name a Valid Country #2 | 0 | - | 4.98 | 194,570 |
| Name a Valid Country #4 | 0 | - | 4.96 | 201,570 |
| Name a Valid Country #5 | 0 | - | 4.99 | 158,632 |
| Name a Valid Country #6 | 0 | - | 4.92 | 88,569 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 283,922 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 207,456 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 198,444 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 169,018 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 106,075 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,090 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 130,154 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 88,323 |
| Anagram Chain - Countries | 0 | - | 4.98 | 96,757 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 35,180 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 44,781 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,946,703 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,931 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,921,557 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 384,471 |
| Countries with Four Letters | 0 | - | 4.99 | 375,610 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,073,142 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,710 |
| Members of the Arab League | 0 | - | 4.85 | 61,971 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,963 |
| Himalayan Countries | 0 | - | 4.94 | 104,812 |
| Andean Countries | 0 | - | 4.91 | 58,118 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,077 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,359 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,710 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,036 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,306 |
| Danube Countries | 0 | - | 4.97 | 56,642 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,689 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,846 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,217 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,354 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,537 |
| European Landlocked Countries | 0 | - | 4.99 | 115,507 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,352 |
| Countries with the Most Species | 0 | - | 4.99 | 89,529 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,349 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,008 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,276 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 157,184 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,413 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 142,549 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,688 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,142 |
| Countries in the Alps | 0 | - | 4.84 | 102,647 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,305 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,129 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,582 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,245 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,965 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,555 |
| Country Chain | 0 | - | 4.95 | 178,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,619 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,139 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,318 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,648 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,423 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,592 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,665 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,487 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,960 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,468 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,045 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,332 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,375 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,278 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,892 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,277 |
| Largest Countries By Category | 0 | - | 4.96 | 144,892 |
| Countries by Emojis | 0 | - | 4.99 | 205,692 |
| Countries by Countries | 0 | - | 4.96 | 54,641 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 34,527 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,457 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,703 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,207 |
| Islands by Country #1 | 0 | - | 4.87 | 163,635 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,704 |
| Regions of Countries #2 | 0 | - | 4.95 | 114,396 |
| Regions of Countries #3 | 0 | - | 4.84 | 83,643 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,182 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 355,601 |
| Island Countries Quiz | 0 | - | 4.99 | 660,641 |
| Biggest Countries by Area | 0 | - | 5.00 | 933,324 |
| Northernmost Countries | 0 | - | 4.99 | 327,233 |
| Countries of South America | 0 | - | 5.00 | 793,494 |
| Countries of Oceania | 0 | - | 5.00 | 893,875 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,153,467 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,573,234 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,460 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 68,041 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.83 | 46,941 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,879 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,963 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,314 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 87,096 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,318 |
| Random Countries by Borders | 0 | - | 4.99 | 66,449 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,936 |
| Countries with Megacities | 0 | - | 4.99 | 197,270 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,571 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,947 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,411 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,930 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,962 |
| Countries by Official Language | 0 | - | 4.96 | 172,403 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 249,292 |
| Countries in their Native Language | 0 | - | 4.98 | 178,331 |
| Independence from Whom | 0 | - | 4.99 | 185,640 |
| Subdivisions by Country | 0 | - | 4.82 | 46,442 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,478 |
| Megadiverse Countries | 0 | - | 4.96 | 125,319 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 91,415 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,685 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,383 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 131,590 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,151 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,910 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,125 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,042 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,350 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,826 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,604 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,008 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,966 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,542 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,275 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 82,269 |
| World Map Quiz | 0 | - | 4.90 | 49,421 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 81,499 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,836 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,983 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 108,067 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,721 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,345 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,636 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,352 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,991 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,475 |
| Widest Countries East to West | 0 | - | 4.93 | 119,394 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,827 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,043 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,664 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 85,610 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 119,368 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,196 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 66,468 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.82 | 32,057 |
| Countries with Double Letters | 0 | - | 4.96 | 68,477 |
| Countries that End in N | 0 | - | 4.93 | 132,809 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,857 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 187,139 |
| Countries with W | 0 | - | 4.96 | 122,779 |
| Countries with Z | 0 | - | 4.98 | 244,534 |
| Countries with Letters Missing | 0 | - | 4.97 | 166,305 |
| Countries That End in U | 0 | - | 4.95 | 107,601 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,594 |
| Countries that End in O | 0 | - | 4.92 | 146,968 |
| Countries that End in R | 0 | - | 4.85 | 96,500 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,258 |
| Countries Ending in "IA" | 0 | - | 4.99 | 171,455 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,831 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,250 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,333 |
| Countries That End in Y | 0 | - | 4.90 | 161,659 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 161,063 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,804 |
| Countries that End in I | 0 | - | 4.92 | 114,511 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,600 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,311 |
| Countries That End in NIA | 0 | - | 4.93 | 100,870 |
| Countries That End in BIA | 0 | - | 4.91 | 126,134 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,292 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,793 |
| Countries That End in RIA | 0 | - | 4.90 | 100,999 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,493 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,864 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,744 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,635 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,445 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,271 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,769 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,853 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,786 |
| Countries that End in L | 0 | - | 4.95 | 134,311 |
| "Land" Countries | 0 | - | 4.98 | 289,278 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,909 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,182 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,315 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,207 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,643 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,968 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,400 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,508 |
