| Word Scramble - Countries | 0 | - | 4.87 | 2,102,888 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,999 |
| Random Countries by Borders | 0 | - | 4.99 | 82,508 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,626,872 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,830 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,576 |
| Random Country to Capital | 0 | - | 4.98 | 921,299 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,505,778 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,113 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 165,976 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,588 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,625 |
| Countries with Four Letters | 0 | - | 4.99 | 422,815 |
| Historical City to Country | 0 | - | 4.84 | 78,580 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,734 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,738 |
| Landlocked Countries | 0 | - | 4.99 | 421,052 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,823 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,886 |
| Country Chain | 0 | - | 4.96 | 217,199 |
| Countries by Emojis | 0 | - | 4.99 | 239,965 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,000 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,959 |
| Islands by Country #1 | 0 | - | 4.88 | 175,350 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,576 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,942 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,762 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,629 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,222 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,350 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,956 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,811 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,198 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,596 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,547 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,006 |
| Himalayan Countries | 0 | - | 4.95 | 138,316 |
| Andean Countries | 0 | - | 4.93 | 84,380 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,600 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,517 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,231 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,633 |
| Danube Countries | 0 | - | 4.97 | 71,904 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,881 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,304 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,100 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,573 |
| European Landlocked Countries | 0 | - | 4.99 | 147,035 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,465 |
| Countries with the Most Species | 0 | - | 4.99 | 103,153 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,618 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,535 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,677 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,472 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,153 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,559 |
| Countries in the Alps | 0 | - | 4.87 | 118,045 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,367 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,839 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,581 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,508 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,386 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,874 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,543 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,403 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,114 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,749 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,587 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,447 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,122 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,386 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,421 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,671 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,217 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,728 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,890 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,478 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,828 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,145 |
| Largest Countries By Category | 0 | - | 4.97 | 158,021 |
| Countries by Countries | 0 | - | 4.96 | 63,086 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,545 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,238 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,567 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,762 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,242 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,633 |
| Island Countries | 0 | - | 4.99 | 710,670 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,616 |
| Northernmost Countries | 0 | - | 4.99 | 361,526 |
| Countries of South America | 0 | - | 5.00 | 925,896 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,114 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,873,911 |
| "Land" Countries | 0 | - | 4.98 | 337,011 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,021 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,258 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,178 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,800 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,518 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,194 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,781 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,257 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,298 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,247 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,339 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,944 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,130 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,198 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,637 |
| Countries with Megacities | 0 | - | 4.99 | 263,894 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,484 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,333 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,761 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,389 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,706 |
| Countries by Official Language | 0 | - | 4.95 | 195,050 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,117 |
| Countries in their Native Language | 0 | - | 4.99 | 198,591 |
| Independence from Whom | 0 | - | 4.99 | 211,863 |
| Subdivisions by Country | 0 | - | 4.86 | 50,386 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,554 |
| Megadiverse Countries | 0 | - | 4.96 | 134,930 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,916 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,291 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,871 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,075 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,993 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,533 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,331 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,974 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,593 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,472 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,820 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,130 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,908 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,295 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,440 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,890 |
| World Map Quiz | 0 | - | 4.81 | 64,954 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,215 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,728 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,258 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,895 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,161 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,884 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,944 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,800 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,921 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,216 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,390 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,500 |
| Widest Countries East to West | 0 | - | 4.92 | 129,562 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,429 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,265 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,086 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,695 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,474 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,760 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,333 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,780 |
| Countries with Double Letters | 0 | - | 4.96 | 95,947 |
| Countries that End in N | 0 | - | 4.95 | 170,856 |
| Countries with Five Letters | 0 | - | 4.96 | 281,973 |
| Countries with Six Letters | 0 | - | 4.94 | 213,271 |
| Countries with W | 0 | - | 4.97 | 160,121 |
| Countries with Z | 0 | - | 4.98 | 291,142 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,481 |
| Countries That End in U | 0 | - | 4.95 | 120,733 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,249 |
| Countries that End in O | 0 | - | 4.92 | 159,430 |
| Countries that End in R | 0 | - | 4.87 | 118,899 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,668 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,849 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,546 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,377 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,276 |
| Countries That End in Y | 0 | - | 4.91 | 185,805 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,741 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,727 |
| Countries that End in I | 0 | - | 4.94 | 135,028 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,909 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,750 |
| Countries That End in NIA | 0 | - | 4.92 | 109,698 |
| Countries That End in BIA | 0 | - | 4.93 | 149,093 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,978 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,312 |
| Countries That End in RIA | 0 | - | 4.93 | 126,731 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,906 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,308 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,534 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,940 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,509 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,505 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,922 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,412 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,415 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,358 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,153 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,845 |
