| Word Scramble - Countries | 0 | - | 4.86 | 2,095,605 |
| Countries with Four Letters | 0 | - | 4.99 | 420,808 |
| Random Countries by Borders | 0 | - | 4.99 | 82,101 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,607,492 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,057 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,504 |
| Random Country to Capital | 0 | - | 4.98 | 916,114 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,217,479 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,356 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,595 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,354 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,940 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,849 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,969 |
| Landlocked Countries | 0 | - | 4.99 | 417,326 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,172 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,442 |
| Country Chain | 0 | - | 4.96 | 216,549 |
| Countries by Emojis | 0 | - | 4.99 | 238,060 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,520 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,051 |
| Islands by Country #1 | 0 | - | 4.87 | 174,906 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,225 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,576 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,543 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,813 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,433 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,079 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,875 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,346 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,965 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,542 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,409 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,352 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,511 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,541 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,128 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,243 |
| Himalayan Countries | 0 | - | 4.95 | 136,780 |
| Andean Countries | 0 | - | 4.95 | 83,615 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,873 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,175 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,544 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,136 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,318 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,910 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,314 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,312 |
| European Landlocked Countries | 0 | - | 4.99 | 146,201 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,890 |
| Countries with the Most Species | 0 | - | 4.99 | 102,427 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,016 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,358 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,537 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,860 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,238 |
| Countries in the Alps | 0 | - | 4.86 | 117,442 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,969 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,054 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,309 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,812 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,908 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,325 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,079 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,048 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,867 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,400 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,401 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,244 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,792 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,056 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,068 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,857 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,943 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,473 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,411 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,770 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,879 |
| Largest Countries By Category | 0 | - | 4.97 | 157,367 |
| Countries by Countries | 0 | - | 4.96 | 62,677 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,963 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,109 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,426 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,155 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,629 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,133 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,268 |
| Island Countries | 0 | - | 4.99 | 709,116 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,228 |
| Northernmost Countries | 0 | - | 4.99 | 359,753 |
| Countries of South America | 0 | - | 5.00 | 920,637 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,286 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,125 |
| "Land" Countries | 0 | - | 4.98 | 335,243 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,046 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,779 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,795 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,535 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,174 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,179 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,294 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,968 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,962 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,057 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,400 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,255 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,884 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,949 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,313 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,512 |
| Countries with Megacities | 0 | - | 4.99 | 249,466 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,359 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,683 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,693 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,648 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,948 |
| Countries by Official Language | 0 | - | 4.95 | 194,269 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,095 |
| Countries in their Native Language | 0 | - | 4.99 | 197,864 |
| Independence from Whom | 0 | - | 4.99 | 210,990 |
| Subdivisions by Country | 0 | - | 4.86 | 50,227 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,459 |
| Megadiverse Countries | 0 | - | 4.96 | 134,612 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,026 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,111 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,667 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,967 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,522 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,279 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,714 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,616 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,411 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,822 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,490 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,624 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,719 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,687 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,897 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,252 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,761 |
| World Map Quiz | 0 | - | 4.81 | 64,236 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,680 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,751 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,784 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,195 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,747 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,481 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,910 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,356 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,526 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,694 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,187 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,160 |
| Widest Countries East to West | 0 | - | 4.92 | 129,230 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,343 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,745 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,947 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,054 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,054 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,424 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,163 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,691 |
| Countries with Double Letters | 0 | - | 4.97 | 94,642 |
| Countries that End in N | 0 | - | 4.95 | 168,813 |
| Countries with Five Letters | 0 | - | 4.96 | 274,121 |
| Countries with Six Letters | 0 | - | 4.94 | 211,921 |
| Countries with W | 0 | - | 4.97 | 159,195 |
| Countries with Z | 0 | - | 4.98 | 289,310 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,395 |
| Countries That End in U | 0 | - | 4.95 | 120,229 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,419 |
| Countries that End in O | 0 | - | 4.92 | 159,045 |
| Countries that End in R | 0 | - | 4.87 | 118,618 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,393 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,993 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,896 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,921 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,506 |
| Countries That End in Y | 0 | - | 4.90 | 185,528 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,986 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,205 |
| Countries that End in I | 0 | - | 4.94 | 134,737 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,817 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,466 |
| Countries That End in NIA | 0 | - | 4.92 | 109,380 |
| Countries That End in BIA | 0 | - | 4.93 | 148,658 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,523 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,878 |
| Countries That End in RIA | 0 | - | 4.93 | 126,406 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,452 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,263 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,976 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,303 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,934 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,211 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,533 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,057 |
