| Islands by Country #1 | 0 | - | 4.90 | 175,892 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,027 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,364 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,230 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,409 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,643,482 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,270 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,671 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,220 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,519 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,387 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,738,735 |
| Landlocked Countries | 0 | - | 4.99 | 423,900 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,455 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,494 |
| Countries with Four Letters | 0 | - | 4.99 | 424,827 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,534 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,914 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,648 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,385 |
| Himalayan Countries | 0 | - | 4.94 | 139,554 |
| Andean Countries | 0 | - | 4.94 | 85,078 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,258 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,480 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,826 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,132 |
| Danube Countries | 0 | - | 4.97 | 72,216 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,316 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,635 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,721 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,230 |
| European Landlocked Countries | 0 | - | 4.99 | 147,389 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,994 |
| Countries with the Most Species | 0 | - | 4.99 | 103,426 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,119 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,684 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,797 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,585 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,705 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,976 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,442 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,855 |
| Countries in the Alps | 0 | - | 4.87 | 118,503 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,101 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,468 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,815 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,817 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,753 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Country Chain | 0 | - | 4.96 | 217,990 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,930 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,678 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,305 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,766 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,633 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,393 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,640 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,391 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,477 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,281 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,372 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,950 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,683 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,386 |
| Largest Countries By Category | 0 | - | 4.97 | 158,555 |
| Countries by Emojis | 0 | - | 4.99 | 241,214 |
| Countries by Countries | 0 | - | 4.96 | 63,448 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,361 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,780 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,022 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,913 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,171 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,079 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,664 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,128 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,173 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,105 |
| Name a Valid Country #6 | 0 | - | 4.95 | 141,267 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 737,129 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,310 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,131 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,610 |
| Island Countries | 0 | - | 4.99 | 711,807 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,535 |
| Northernmost Countries | 0 | - | 4.99 | 363,120 |
| Mountains by Country | 0 | - | 4.56 | 81,928 |
| Islands by Country #2 | 0 | - | 4.80 | 77,710 |
| Countries of South America | 0 | - | 5.00 | 930,044 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,384 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,631 |
| "Land" Countries | 0 | - | 4.98 | 337,904 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,480 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,544 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,490 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,975 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,753 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,713 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,184 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,491 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,436 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,462 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,168 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,566 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,408 |
| Movies by Country #2 | 0 | - | 4.20 | 45,804 |
| Musical Acts by Country #2 | 0 | - | 4.36 | 35,603 |
| Random Countries by Borders | 0 | - | 4.99 | 82,859 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,016 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,460 |
| Countries with Megacities | 0 | - | 4.99 | 265,907 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,255 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,757 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,512 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,859 |
| Countries by Official Language | 0 | - | 4.95 | 195,658 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,141 |
| Countries in their Native Language | 0 | - | 4.99 | 199,430 |
| Independence from Whom | 0 | - | 4.99 | 212,589 |
| Subdivisions by Country | 0 | - | 4.87 | 50,539 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,094 |
| Megadiverse Countries | 0 | - | 4.96 | 135,159 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,456 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,349 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,166 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,379 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,706 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,763 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,472 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,749 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,208 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,103 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,334 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,063 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,479 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,604 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,864 |
| World Map Quiz | 0 | - | 4.81 | 65,388 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,316 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,535 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,722 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,699 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,351 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,989 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,208 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,332 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,541 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,591 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,248 |
| Widest Countries East to West | 0 | - | 4.92 | 130,215 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,533 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,037 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,443 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,936 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,815 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,133 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,449 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with Double Letters | 0 | - | 4.96 | 96,696 |
| Countries that End in N | 0 | - | 4.95 | 171,579 |
| Countries with Five Letters | 0 | - | 4.96 | 283,232 |
| Countries with Six Letters | 0 | - | 4.94 | 214,038 |
| Countries with W | 0 | - | 4.96 | 160,651 |
| Countries with Z | 0 | - | 4.98 | 291,986 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,018 |
| Countries That End in U | 0 | - | 4.95 | 121,032 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,807 |
| Countries that End in O | 0 | - | 4.92 | 159,678 |
| Countries that End in R | 0 | - | 4.87 | 119,081 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,835 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,481 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,941 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,655 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,584 |
| Countries That End in Y | 0 | - | 4.91 | 186,002 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,199 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,085 |
| Countries that End in I | 0 | - | 4.94 | 135,222 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,387 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,940 |
| Countries That End in NIA | 0 | - | 4.92 | 109,929 |
| Countries That End in BIA | 0 | - | 4.93 | 149,408 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,343 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,636 |
| Countries That End in RIA | 0 | - | 4.93 | 126,948 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,223 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,129 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,964 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,406 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,950 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,695 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,197 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,495 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,730 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,552 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,213 |
