| Word Scramble - Countries | 0 | - | 4.86 | 2,098,324 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,969 |
| Random Countries by Borders | 0 | - | 4.99 | 82,276 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,590 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,268 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,023 |
| Random Country to Capital | 0 | - | 4.98 | 918,314 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,326,910 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,863 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,085 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,796 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,184 |
| Countries with Four Letters | 0 | - | 4.99 | 421,529 |
| Historical City to Country | 0 | - | 4.84 | 78,431 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,172 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,234 |
| Landlocked Countries | 0 | - | 4.99 | 418,827 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,458 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,672 |
| Country Chain | 0 | - | 4.96 | 216,806 |
| Countries by Emojis | 0 | - | 4.99 | 238,641 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,710 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,798 |
| Islands by Country #1 | 0 | - | 4.88 | 175,103 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,368 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,712 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,621 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,169 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,484 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,637 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,040 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,935 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,316 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,920 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 718,979 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,957 |
| Himalayan Countries | 0 | - | 4.94 | 137,382 |
| Andean Countries | 0 | - | 4.95 | 83,911 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,208 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,622 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,820 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,339 |
| Danube Countries | 0 | - | 4.97 | 71,644 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,530 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,044 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,620 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,706 |
| European Landlocked Countries | 0 | - | 4.99 | 146,762 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,115 |
| Countries with the Most Species | 0 | - | 4.99 | 102,898 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,248 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,429 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,584 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,293 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,976 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,353 |
| Countries in the Alps | 0 | - | 4.87 | 117,675 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,346 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,404 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,970 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,080 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,463 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,270 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,175 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,961 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,545 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,471 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,334 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,912 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,200 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,152 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,055 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,504 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,310 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,198 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,990 |
| Largest Countries By Category | 0 | - | 4.97 | 157,618 |
| Countries by Countries | 0 | - | 4.96 | 62,827 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,193 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,156 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,314 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,869 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,567 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,039 |
| Island Countries | 0 | - | 4.99 | 709,697 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,938 |
| Northernmost Countries | 0 | - | 4.99 | 360,410 |
| Countries of South America | 0 | - | 5.00 | 922,764 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,834 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,015 |
| "Land" Countries | 0 | - | 4.98 | 335,773 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,552 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,928 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,936 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,630 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,288 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,481 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,480 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,074 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,502 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,507 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,773 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,529 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,984 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,678 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,990 |
| Countries with Megacities | 0 | - | 4.99 | 259,138 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,860 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,974 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,145 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,975 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,329 |
| Countries by Official Language | 0 | - | 4.95 | 194,622 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,502 |
| Countries in their Native Language | 0 | - | 4.99 | 198,165 |
| Independence from Whom | 0 | - | 4.99 | 211,278 |
| Subdivisions by Country | 0 | - | 4.86 | 50,282 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,682 |
| Megadiverse Countries | 0 | - | 4.96 | 134,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,532 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,180 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,746 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,013 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,697 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,374 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,963 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,836 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,476 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,986 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,928 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,706 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,988 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,768 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,144 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,319 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,159 |
| World Map Quiz | 0 | - | 4.81 | 64,501 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,273 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,555 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,022 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,479 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,916 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,629 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,304 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,510 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,666 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,820 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,255 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,274 |
| Widest Countries East to West | 0 | - | 4.92 | 129,358 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,380 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,949 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,988 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,504 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,210 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,533 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,227 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,071 |
| Countries that End in N | 0 | - | 4.95 | 169,957 |
| Countries with Five Letters | 0 | - | 4.96 | 280,084 |
| Countries with Six Letters | 0 | - | 4.94 | 212,452 |
| Countries with W | 0 | - | 4.97 | 159,512 |
| Countries with Z | 0 | - | 4.98 | 289,778 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,723 |
| Countries That End in U | 0 | - | 4.95 | 120,405 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,733 |
| Countries that End in O | 0 | - | 4.92 | 159,190 |
| Countries that End in R | 0 | - | 4.87 | 118,727 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,506 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,311 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,093 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,072 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,657 |
| Countries That End in Y | 0 | - | 4.90 | 185,644 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,212 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,410 |
| Countries that End in I | 0 | - | 4.94 | 134,858 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,059 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,568 |
| Countries That End in NIA | 0 | - | 4.92 | 109,509 |
| Countries That End in BIA | 0 | - | 4.93 | 148,835 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,700 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,047 |
| Countries That End in RIA | 0 | - | 4.93 | 126,527 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,612 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,662 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,211 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,565 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,099 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,315 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,678 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,229 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,112 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,188 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,811 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,527 |
