| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,384 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,970 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,200 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,110 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,304 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,630,348 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,555,585 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,104,455 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,203 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,782 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,723 |
| Countries with Four Letters | 0 | - | 4.99 | 423,149 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,890 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,850 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,405 |
| Landlocked Countries | 0 | - | 4.99 | 421,627 |
| Country Chain | 0 | - | 4.96 | 217,335 |
| Countries by Emojis | 0 | - | 4.99 | 240,210 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,064 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,563 |
| Islands by Country #1 | 0 | - | 4.88 | 175,424 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,611 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,993 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,787 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,145 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,248 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,516 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,934 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,302 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,459 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,495 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,855 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 722,271 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,270 |
| Himalayan Countries | 0 | - | 4.95 | 138,568 |
| Andean Countries | 0 | - | 4.93 | 84,519 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,702 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,699 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,731 |
| Danube Countries | 0 | - | 4.97 | 71,961 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,964 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,381 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,222 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,704 |
| European Landlocked Countries | 0 | - | 4.99 | 147,089 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,568 |
| Countries with the Most Species | 0 | - | 4.99 | 103,199 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,699 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,568 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,705 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,516 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,195 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,618 |
| Countries in the Alps | 0 | - | 4.87 | 118,148 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,869 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,975 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,620 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,456 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,921 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,460 |
| 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 | 53,632 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,493 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,184 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,434 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,485 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,816 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,280 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,185 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,008 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,749 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,997 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,191 |
| Largest Countries By Category | 0 | - | 4.97 | 158,147 |
| Countries by Countries | 0 | - | 4.96 | 63,156 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,637 |
| 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 | 88,640 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,292 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,414 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,980 |
| Island Countries | 0 | - | 4.99 | 710,910 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,416 |
| Northernmost Countries | 0 | - | 4.99 | 361,798 |
| Countries of South America | 0 | - | 5.00 | 926,798 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,237 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,185 |
| "Land" Countries | 0 | - | 4.98 | 337,233 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,236 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,840 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,573 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,803 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,871 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,311 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,544 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,473 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,534 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,052 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,175 |
| Random Countries by Borders | 0 | - | 4.99 | 82,587 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,340 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,791 |
| Countries with Megacities | 0 | - | 4.99 | 264,353 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,651 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,418 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,919 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,486 |
| Countries by Official Language | 0 | - | 4.95 | 195,186 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,273 |
| Countries in their Native Language | 0 | - | 4.99 | 198,979 |
| Independence from Whom | 0 | - | 4.99 | 211,998 |
| Subdivisions by Country | 0 | - | 4.86 | 50,418 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,667 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,022 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,331 |
| 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 | 163,072 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,575 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,414 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,005 |
| 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 | 77,615 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,855 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,181 |
| 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 | 111,080 |
| World Map Quiz | 0 | - | 4.81 | 65,036 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,481 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,100 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,319 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,010 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,238 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,957 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,106 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,847 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,980 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,267 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,418 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,548 |
| Widest Countries East to West | 0 | - | 4.92 | 129,613 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,441 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,339 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,107 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,747 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,554 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,826 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,361 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,792 |
| Countries with Double Letters | 0 | - | 4.96 | 96,143 |
| Countries that End in N | 0 | - | 4.95 | 171,031 |
| Countries with Five Letters | 0 | - | 4.96 | 282,255 |
| Countries with Six Letters | 0 | - | 4.94 | 213,456 |
| Countries with W | 0 | - | 4.97 | 160,260 |
| Countries with Z | 0 | - | 4.98 | 291,342 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,623 |
| Countries That End in U | 0 | - | 4.95 | 120,814 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,385 |
| 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 | 155,702 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,000 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,637 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,433 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,351 |
| Countries That End in Y | 0 | - | 4.91 | 185,854 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,842 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,808 |
| Countries that End in I | 0 | - | 4.94 | 135,062 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,021 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,793 |
| Countries That End in NIA | 0 | - | 4.92 | 109,749 |
| Countries That End in BIA | 0 | - | 4.93 | 149,157 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,059 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,390 |
| Countries That End in RIA | 0 | - | 4.93 | 126,778 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,977 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,499 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,643 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,045 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,608 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,552 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,985 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,432 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,486 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,394 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,240 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,935 |
| Countries that End in L | 0 | - | 4.94 | 156,794 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,543 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,251 |
