| Name a Valid Country #1 | 0 | - | 4.99 | 286,872 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,946 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,593 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,236 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,069 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,582 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,634 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,768 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,157 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,047 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,603,525 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,153,675 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,131 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,994 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,328 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,127 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,801 |
| Countries with Four Letters | 0 | - | 4.99 | 420,251 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,635 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,815 |
| Landlocked Countries | 0 | - | 4.99 | 416,540 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,362 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,955 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 170,135 |
| Country Chain | 0 | - | 4.96 | 216,388 |
| Countries by Emojis | 0 | - | 4.99 | 237,752 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,427 |
| Islands by Country #1 | 0 | - | 4.87 | 174,807 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,169 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,515 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,746 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,955 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,986 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,872 |
| Himalayan Countries | 0 | - | 4.95 | 136,451 |
| Andean Countries | 0 | - | 4.95 | 83,461 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,726 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,959 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,400 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,006 |
| Danube Countries | 0 | - | 4.97 | 71,384 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,194 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,841 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,132 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,090 |
| European Landlocked Countries | 0 | - | 4.99 | 146,119 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,747 |
| Countries with the Most Species | 0 | - | 4.99 | 101,297 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,876 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,325 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,502 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,151 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,800 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,175 |
| Countries in the Alps | 0 | - | 4.86 | 117,307 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,887 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,863 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,245 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,733 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,809 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,246 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,970 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,989 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,791 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,322 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,354 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,199 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,712 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,986 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,998 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,683 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,886 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,421 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,225 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,932 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,544 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,815 |
| Largest Countries By Category | 0 | - | 4.97 | 157,236 |
| Countries by Countries | 0 | - | 4.96 | 62,581 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,860 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,076 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,074 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,697 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,787 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,677 |
| Island Countries | 0 | - | 4.99 | 708,764 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,194 |
| Northernmost Countries | 0 | - | 4.99 | 359,307 |
| Countries of South America | 0 | - | 5.00 | 919,508 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,450 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,190 |
| "Land" Countries | 0 | - | 4.98 | 334,552 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,873 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,684 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,718 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,511 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,100 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,130 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,173 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,900 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,163 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,192 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,824 |
| Random Countries by Borders | 0 | - | 4.99 | 81,935 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,239 |
| Countries with Megacities | 0 | - | 4.99 | 248,869 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,096 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,526 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,453 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,476 |
| Countries by Official Language | 0 | - | 4.95 | 193,977 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,483 |
| Countries in their Native Language | 0 | - | 4.99 | 197,603 |
| Independence from Whom | 0 | - | 4.99 | 210,767 |
| Subdivisions by Country | 0 | - | 4.86 | 50,190 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,302 |
| Megadiverse Countries | 0 | - | 4.96 | 134,527 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,801 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,072 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,621 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,946 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,423 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,208 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,564 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,539 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,364 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,804 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,144 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,577 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,680 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,636 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,848 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,196 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,514 |
| World Map Quiz | 0 | - | 4.81 | 64,059 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,732 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,710 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,316 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,308 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,680 |
| Countries by Founding Story | 0 | - | 4.95 | 76,859 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,037 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,651 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,382 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,672 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,255 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,449 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,611 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,140 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,629 |
| Widest Countries East to West | 0 | - | 4.92 | 129,129 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,324 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,630 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,906 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,945 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,961 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,345 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,078 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,669 |
| Countries with Double Letters | 0 | - | 4.96 | 94,071 |
| Countries that End in N | 0 | - | 4.95 | 164,784 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,503 |
| Countries with Six Letters | 0 | - | 4.93 | 211,069 |
| Countries with W | 0 | - | 4.97 | 158,758 |
| Countries with Z | 0 | - | 4.98 | 288,684 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,993 |
| Countries That End in U | 0 | - | 4.95 | 119,883 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,120 |
| Countries that End in O | 0 | - | 4.92 | 158,836 |
| Countries that End in R | 0 | - | 4.87 | 118,491 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,096 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,695 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,716 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,796 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,359 |
| Countries That End in Y | 0 | - | 4.90 | 185,403 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,806 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,066 |
| Countries that End in I | 0 | - | 4.94 | 134,652 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,670 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,397 |
| Countries That End in NIA | 0 | - | 4.92 | 109,281 |
| Countries That End in BIA | 0 | - | 4.93 | 148,544 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,410 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,754 |
| Countries That End in RIA | 0 | - | 4.93 | 126,320 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,309 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,045 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,844 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,182 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,758 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,134 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,423 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,926 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,823 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,986 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,500 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,180 |
