| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,587 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,654,645 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,901,011 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,125,551 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,713 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,320 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,547 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,752 |
| Countries with Four Letters | 0 | - | 4.99 | 425,974 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,106 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,997 |
| Landlocked Countries | 0 | - | 4.99 | 426,184 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,109 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,480 |
| Country Chain | 0 | - | 4.96 | 218,506 |
| Countries by Emojis | 0 | - | 4.99 | 242,559 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,614 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,908 |
| Islands by Country #1 | 0 | - | 4.90 | 176,391 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,264 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,585 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,416 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,337 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,074 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,111 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,490 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,287 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,286 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,138 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,314 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 743,330 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,418 |
| Himalayan Countries | 0 | - | 4.93 | 140,371 |
| Andean Countries | 0 | - | 4.94 | 85,536 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,688 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,110 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,258 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,493 |
| Danube Countries | 0 | - | 4.97 | 72,437 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,642 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,871 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,197 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,673 |
| European Landlocked Countries | 0 | - | 4.99 | 147,640 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,348 |
| Countries with the Most Species | 0 | - | 4.99 | 103,587 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,449 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,785 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,898 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,860 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,597 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,040 |
| Countries in the Alps | 0 | - | 4.87 | 118,825 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,709 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,937 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,050 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,993 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,288 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,437 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,888 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,445 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,208 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,898 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,758 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,578 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,822 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,914 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,916 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,637 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,847 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,220 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,532 |
| Largest Countries By Category | 0 | - | 4.97 | 158,903 |
| Countries by Countries | 0 | - | 4.96 | 63,669 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,299 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,413 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,679 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,129 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,698 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,770 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,854 |
| Island Countries | 0 | - | 4.99 | 712,663 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,079 |
| Northernmost Countries | 0 | - | 4.99 | 364,163 |
| Countries of South America | 0 | - | 5.00 | 933,080 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,918 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,243 |
| "Land" Countries | 0 | - | 4.98 | 338,459 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,785 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,745 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,124 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,950 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,601 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,502 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,710 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,276 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,180 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,806 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,155 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,568 |
| Random Countries by Borders | 0 | - | 4.99 | 83,114 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,706 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,247 |
| Countries with Megacities | 0 | - | 4.99 | 267,300 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,925 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,184 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,249 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,299 |
| Countries by Official Language | 0 | - | 4.95 | 196,057 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,701 |
| Countries in their Native Language | 0 | - | 4.99 | 199,789 |
| Independence from Whom | 0 | - | 4.99 | 213,144 |
| Subdivisions by Country | 0 | - | 4.87 | 50,631 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,501 |
| Megadiverse Countries | 0 | - | 4.96 | 135,297 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,989 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,548 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,723 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,233 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,309 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,870 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,148 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,578 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,096 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,263 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,591 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,397 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,455 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,160 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,596 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,895 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,426 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,055 |
| World Map Quiz | 0 | - | 4.81 | 65,782 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,076 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,411 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,737 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,319 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,127 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,599 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,658 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,470 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,571 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,773 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,714 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,789 |
| Widest Countries East to West | 0 | - | 4.92 | 130,695 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,606 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,282 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,526 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,080 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,010 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,506 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,512 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,900 |
| Countries with Double Letters | 0 | - | 4.96 | 97,147 |
| Countries that End in N | 0 | - | 4.95 | 172,020 |
| Countries with Five Letters | 0 | - | 4.96 | 284,042 |
| Countries with Six Letters | 0 | - | 4.94 | 214,562 |
| Countries with W | 0 | - | 4.96 | 161,005 |
| Countries with Z | 0 | - | 4.98 | 292,540 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,337 |
| Countries That End in U | 0 | - | 4.95 | 121,218 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,161 |
| Countries that End in O | 0 | - | 4.92 | 160,246 |
| Countries that End in R | 0 | - | 4.87 | 119,200 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,964 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,914 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,194 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,861 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,784 |
| Countries That End in Y | 0 | - | 4.91 | 186,104 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,503 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,304 |
| Countries that End in I | 0 | - | 4.94 | 135,339 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,668 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,078 |
| Countries That End in NIA | 0 | - | 4.92 | 110,087 |
| Countries That End in BIA | 0 | - | 4.93 | 149,607 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,578 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,795 |
| Countries That End in RIA | 0 | - | 4.93 | 127,078 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,420 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,666 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,228 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,671 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,218 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,826 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,351 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,547 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,937 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,665 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,765 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,466 |
| Countries that End in L | 0 | - | 4.94 | 157,158 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,140 |
