| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,397 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,976 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,208 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,111 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,304 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,630,440 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,207 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,787 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,727 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,895 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,852 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,557,054 |
| Landlocked Countries | 0 | - | 4.99 | 421,643 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,104,488 |
| Countries with Four Letters | 0 | - | 4.99 | 423,155 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,334 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,289 |
| Himalayan Countries | 0 | - | 4.95 | 138,578 |
| Andean Countries | 0 | - | 4.93 | 84,523 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,710 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,710 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,343 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,738 |
| Danube Countries | 0 | - | 4.97 | 71,966 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,967 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,384 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,231 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,712 |
| European Landlocked Countries | 0 | - | 4.99 | 147,091 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,571 |
| Countries with the Most Species | 0 | - | 4.99 | 103,200 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,705 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,570 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,706 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,517 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,199 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,622 |
| Countries in the Alps | 0 | - | 4.87 | 118,153 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,887 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,979 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,623 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,565 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,459 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,923 |
| Country Chain | 0 | - | 4.96 | 217,337 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,462 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,157 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,633 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,494 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,188 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,436 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,487 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,824 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,284 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,230 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,012 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,755 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,000 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,194 |
| Largest Countries By Category | 0 | - | 4.97 | 158,154 |
| Countries by Emojis | 0 | - | 4.99 | 240,218 |
| Countries by Countries | 0 | - | 4.96 | 63,161 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,067 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,573 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,639 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,641 |
| Islands by Country #1 | 0 | - | 4.88 | 175,433 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,611 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,995 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,788 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,258 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,520 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,950 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,310 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,466 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,501 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,860 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 722,288 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,303 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,422 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,993 |
| Island Countries | 0 | - | 4.99 | 710,916 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,442 |
| Northernmost Countries | 0 | - | 4.99 | 361,802 |
| Countries of South America | 0 | - | 5.00 | 926,848 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,279 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,262 |
| "Land" Countries | 0 | - | 4.98 | 337,235 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,238 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,840 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,576 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,844 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,871 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,312 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,549 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,481 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,538 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,061 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,176 |
| Random Countries by Borders | 0 | - | 4.99 | 82,587 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,341 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,796 |
| Countries with Megacities | 0 | - | 4.99 | 264,367 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,658 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,421 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,925 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,489 |
| Countries by Official Language | 0 | - | 4.95 | 195,193 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,277 |
| Countries in their Native Language | 0 | - | 4.99 | 198,981 |
| Independence from Whom | 0 | - | 4.99 | 212,012 |
| Subdivisions by Country | 0 | - | 4.86 | 50,420 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,670 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,025 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,332 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,213 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,076 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,577 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,416 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,006 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,629 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,126 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,621 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,856 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,182 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,946 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,334 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,473 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,091 |
| World Map Quiz | 0 | - | 4.81 | 65,040 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,109 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,321 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,014 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,238 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,959 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,112 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,849 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,980 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,268 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,421 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,549 |
| Widest Countries East to West | 0 | - | 4.92 | 129,617 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,441 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,341 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,108 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,748 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,557 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,830 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,363 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,794 |
| Countries with Double Letters | 0 | - | 4.96 | 96,149 |
| Countries that End in N | 0 | - | 4.95 | 171,034 |
| Countries with Five Letters | 0 | - | 4.96 | 282,270 |
| Countries with Six Letters | 0 | - | 4.94 | 213,460 |
| Countries with W | 0 | - | 4.97 | 160,263 |
| Countries with Z | 0 | - | 4.98 | 291,345 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,626 |
| Countries That End in U | 0 | - | 4.95 | 120,814 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,387 |
| Countries that End in O | 0 | - | 4.92 | 159,485 |
| Countries that End in R | 0 | - | 4.87 | 118,946 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,703 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,001 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,640 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,436 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,354 |
| Countries That End in Y | 0 | - | 4.91 | 185,854 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,848 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,811 |
| Countries that End in I | 0 | - | 4.94 | 135,063 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,022 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,793 |
| Countries That End in NIA | 0 | - | 4.92 | 109,753 |
| Countries That End in BIA | 0 | - | 4.93 | 149,158 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,061 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,391 |
| Countries That End in RIA | 0 | - | 4.93 | 126,782 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,979 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,507 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,649 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,050 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,609 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,553 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,986 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,432 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,488 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,395 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,241 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,939 |
| Countries that End in L | 0 | - | 4.94 | 156,797 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,558 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,253 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,996 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,920 |
