| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,555 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,285 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,522 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,428 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,846 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,610,111 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,256,108 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,096,503 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,779 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,522 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,033 |
| Countries with Four Letters | 0 | - | 4.99 | 421,082 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,964 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,081 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,145 |
| Landlocked Countries | 0 | - | 4.99 | 417,854 |
| Country Chain | 0 | - | 4.96 | 216,653 |
| Countries by Emojis | 0 | - | 4.99 | 238,273 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,564 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,328 |
| Islands by Country #1 | 0 | - | 4.88 | 174,979 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,272 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,620 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,574 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,749,707 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,570 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,187 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,965 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,668 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,615 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,900 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,692 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,868 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,465 |
| Himalayan Countries | 0 | - | 4.94 | 136,963 |
| Andean Countries | 0 | - | 4.95 | 83,712 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,951 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,299 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,627 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,203 |
| Danube Countries | 0 | - | 4.97 | 71,545 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,383 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,957 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,442 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,500 |
| European Landlocked Countries | 0 | - | 4.99 | 146,503 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,970 |
| Countries with the Most Species | 0 | - | 4.99 | 102,671 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,103 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,383 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,237 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,902 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,284 |
| Countries in the Alps | 0 | - | 4.86 | 117,522 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,021 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,155 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,347 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,867 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,968 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,372 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,137 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,097 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,900 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,455 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,427 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,280 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,840 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,106 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,123 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,972 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,984 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,509 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,387 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,752 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,944 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,916 |
| Largest Countries By Category | 0 | - | 4.97 | 157,465 |
| Countries by Countries | 0 | - | 4.96 | 62,738 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,055 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,124 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,448 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,217 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,030 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,299 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,538 |
| Island Countries | 0 | - | 4.99 | 709,314 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,847 |
| Northernmost Countries | 0 | - | 4.99 | 359,984 |
| Countries of South America | 0 | - | 5.00 | 921,486 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,286 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,960 |
| "Land" Countries | 0 | - | 4.98 | 335,505 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,843 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,573 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,218 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,310 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,360 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,012 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,140 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,210 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,529 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,366 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,674 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,913 |
| Random Countries by Borders | 0 | - | 4.99 | 82,183 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,434 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,660 |
| Countries with Megacities | 0 | - | 4.99 | 249,731 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,499 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,771 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,830 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,748 |
| Countries by Official Language | 0 | - | 4.95 | 194,434 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,256 |
| Countries in their Native Language | 0 | - | 4.99 | 197,999 |
| Independence from Whom | 0 | - | 4.99 | 211,102 |
| Subdivisions by Country | 0 | - | 4.86 | 50,249 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,543 |
| Megadiverse Countries | 0 | - | 4.96 | 134,690 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,125 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,142 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,695 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,986 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,584 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,308 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,804 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,730 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,444 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,895 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,621 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,653 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,834 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,723 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,014 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,276 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,902 |
| World Map Quiz | 0 | - | 4.81 | 64,334 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,884 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,036 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,907 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,293 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,810 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,531 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,041 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,412 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,587 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,740 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,208 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,198 |
| Widest Countries East to West | 0 | - | 4.92 | 129,261 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,357 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,820 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,965 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,436 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,105 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,459 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,184 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,706 |
| Countries with Double Letters | 0 | - | 4.97 | 94,844 |
| Countries that End in N | 0 | - | 4.95 | 169,379 |
| Countries with Five Letters | 0 | - | 4.96 | 277,725 |
| Countries with Six Letters | 0 | - | 4.94 | 212,195 |
| Countries with W | 0 | - | 4.97 | 159,335 |
| Countries with Z | 0 | - | 4.98 | 289,539 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,540 |
| Countries That End in U | 0 | - | 4.95 | 120,316 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,556 |
| Countries that End in O | 0 | - | 4.92 | 159,122 |
| Countries that End in R | 0 | - | 4.87 | 118,667 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,448 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,124 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,982 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,984 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,577 |
| Countries That End in Y | 0 | - | 4.90 | 185,586 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,072 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,294 |
| Countries that End in I | 0 | - | 4.94 | 134,800 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,917 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,514 |
| Countries That End in NIA | 0 | - | 4.92 | 109,435 |
| Countries That End in BIA | 0 | - | 4.93 | 148,735 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,601 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,950 |
| Countries That End in RIA | 0 | - | 4.93 | 126,444 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,537 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,421 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,076 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,414 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,995 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,257 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,585 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,126 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,027 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,139 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,712 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,398 |
| Countries that End in L | 0 | - | 4.94 | 156,463 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,568 |
