| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,855 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,640,397 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,108,368 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,178 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,934 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,339 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,769 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,936 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,277 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,600 |
| Random Countries by Borders | 0 | - | 4.99 | 82,808 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,754 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,645 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,847 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,116 |
| Random Country to Capital | 0 | - | 4.98 | 924,693 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,235 |
| Countries with Four Letters | 0 | - | 4.99 | 424,279 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,997 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,447 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,089 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,912 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,221 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,698,650 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,441 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,823 |
| Country Chain | 0 | - | 4.96 | 217,875 |
| Countries by Emojis | 0 | - | 4.99 | 240,929 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,293 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,653 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,427 |
| Islands by Country #1 | 0 | - | 4.90 | 175,740 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,898 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,263 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,992 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,141 |
| Name a Valid Country #1 | 0 | - | 4.99 | 292,323 |
| Name a Valid Country #2 | 0 | - | 4.98 | 252,084 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,193 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,180 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,350 |
| Name a Valid Country #7 | 0 | - | 4.91 | 130,113 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,439 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 735,173 |
| Landlocked Countries | 0 | - | 4.99 | 423,410 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,982 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,915 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,397 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,486 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,432 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,945 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,717 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,317 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,120 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,445 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,195 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,252 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,982 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,407 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,031 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,606 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,356 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,285 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,869 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,973 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,271 |
| Island Countries | 0 | - | 4.99 | 711,589 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,175 |
| Himalayan Countries | 0 | - | 4.94 | 139,374 |
| Andean Countries | 0 | - | 4.94 | 84,960 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,173 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,340 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,742 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,055 |
| Danube Countries | 0 | - | 4.97 | 72,171 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,250 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,572 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,620 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,125 |
| European Landlocked Countries | 0 | - | 4.99 | 147,325 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,904 |
| Countries with the Most Species | 0 | - | 4.99 | 103,384 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,039 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,662 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,777 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,649 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,406 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,810 |
| Countries in the Alps | 0 | - | 4.87 | 118,430 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,925 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,365 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,785 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,679 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,071 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,866 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,638 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,273 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,991 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,744 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,612 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,355 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,604 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,679 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,263 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,436 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,011 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,298 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,722 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,536 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,346 |
| Largest Countries By Category | 0 | - | 4.97 | 158,479 |
| Countries by Countries | 0 | - | 4.96 | 63,400 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,449 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,936 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,337 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,603 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,172 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,841 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,796 |
| Northernmost Countries | 0 | - | 4.99 | 362,747 |
| Countries of South America | 0 | - | 5.00 | 929,400 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,480 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,940 |
| "Land" Countries | 0 | - | 4.98 | 337,752 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,585 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,540 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,343 |
| Countries with Megacities | 0 | - | 4.99 | 265,600 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,700 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,397 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,777 |
| Countries by Official Language | 0 | - | 4.95 | 195,547 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,808 |
| Countries in their Native Language | 0 | - | 4.99 | 199,328 |
| Independence from Whom | 0 | - | 4.99 | 212,450 |
| Subdivisions by Country | 0 | - | 4.87 | 50,511 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,987 |
| Megadiverse Countries | 0 | - | 4.96 | 135,126 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,351 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,437 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,320 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,153 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,322 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,676 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,669 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,444 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,728 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,196 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,996 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,985 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,299 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,037 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,989 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,458 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,578 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,682 |
| World Map Quiz | 0 | - | 4.81 | 65,307 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,020 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,499 |
| Countries by Founding Story | 0 | - | 4.95 | 77,497 |
| Countries by Road Signs | 0 | - | 4.98 | 54,166 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,441 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,508 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,197 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,761 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,101 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,217 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,457 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,534 |
| Tallest Countries North to South | 0 | - | 4.83 | 123,569 |
| Widest Countries East to West | 0 | - | 4.92 | 129,893 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,495 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,945 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,412 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,877 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,758 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,023 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,429 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,833 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,422 |
| Countries with Double Letters | 0 | - | 4.96 | 96,576 |
| Countries that End in N | 0 | - | 4.95 | 171,470 |
| Countries with Five Letters | 0 | - | 4.96 | 283,056 |
| Countries with Six Letters | 0 | - | 4.94 | 213,920 |
| Countries with W | 0 | - | 4.96 | 160,569 |
| Countries with Z | 0 | - | 4.98 | 291,842 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,941 |
| Countries That End in U | 0 | - | 4.95 | 120,980 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,720 |
| Countries that End in O | 0 | - | 4.92 | 159,636 |
| Countries that End in R | 0 | - | 4.87 | 119,052 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,809 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,398 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,874 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,618 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,526 |
| Countries That End in Y | 0 | - | 4.91 | 185,966 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,129 |
