| Name a Valid Country #1 | 0 | - | 4.99 | 288,314 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,851 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,786 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,135 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,813 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,550 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,528 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,302 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,357 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,644 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,451 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,377 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,293,008 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,322 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,704 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,945 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,647 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,102 |
| Countries with Four Letters | 0 | - | 4.99 | 421,329 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,072 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,155 |
| Landlocked Countries | 0 | - | 4.99 | 418,285 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,603 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,366 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,588 |
| Country Chain | 0 | - | 4.96 | 216,743 |
| Countries by Emojis | 0 | - | 4.99 | 238,450 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,608 |
| Islands by Country #1 | 0 | - | 4.88 | 175,035 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,316 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,667 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,589 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,139 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,744 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,468 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,656 |
| Himalayan Countries | 0 | - | 4.94 | 137,141 |
| Andean Countries | 0 | - | 4.95 | 83,781 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,032 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,411 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,705 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,259 |
| Danube Countries | 0 | - | 4.97 | 71,586 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,455 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,990 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,529 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,589 |
| European Landlocked Countries | 0 | - | 4.99 | 146,699 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,027 |
| Countries with the Most Species | 0 | - | 4.99 | 102,825 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,171 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,402 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,559 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,263 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,935 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,313 |
| Countries in the Alps | 0 | - | 4.87 | 117,592 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,071 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,258 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,371 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,917 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,025 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,401 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,198 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,134 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,930 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,497 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,446 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,304 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,877 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,143 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,163 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,050 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,018 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,538 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,434 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,038 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,079 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,949 |
| Largest Countries By Category | 0 | - | 4.97 | 157,540 |
| Countries by Countries | 0 | - | 4.96 | 62,782 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,126 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,143 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,457 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,264 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,404 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,437 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,790 |
| Island Countries | 0 | - | 4.99 | 709,503 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,399 |
| Northernmost Countries | 0 | - | 4.99 | 360,199 |
| Countries of South America | 0 | - | 5.00 | 922,156 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,031 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,643 |
| "Land" Countries | 0 | - | 4.98 | 335,660 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,491 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,882 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,890 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,588 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,256 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,393 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,427 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,046 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,791 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,940 |
| Random Countries by Borders | 0 | - | 4.99 | 82,236 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,796 |
| Countries with Megacities | 0 | - | 4.99 | 251,188 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,652 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,863 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,950 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,846 |
| Countries by Official Language | 0 | - | 4.95 | 194,528 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,377 |
| Countries in their Native Language | 0 | - | 4.99 | 198,088 |
| Independence from Whom | 0 | - | 4.99 | 211,191 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,610 |
| Megadiverse Countries | 0 | - | 4.96 | 134,726 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,237 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,154 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,000 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,649 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,334 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,884 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,791 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,961 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,827 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,674 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,945 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,748 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,105 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,297 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,032 |
| World Map Quiz | 0 | - | 4.81 | 64,416 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,036 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,861 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,081 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,284 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,969 |
| Countries by Founding Story | 0 | - | 4.95 | 77,016 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,389 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,870 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,580 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,176 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,459 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,635 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,778 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,230 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,233 |
| Widest Countries East to West | 0 | - | 4.92 | 129,317 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,888 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,977 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,473 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,153 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,491 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,215 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,714 |
| Countries with Double Letters | 0 | - | 4.97 | 94,990 |
| Countries that End in N | 0 | - | 4.95 | 169,748 |
| Countries with Five Letters | 0 | - | 4.96 | 279,379 |
| Countries with Six Letters | 0 | - | 4.94 | 212,350 |
| Countries with W | 0 | - | 4.97 | 159,441 |
| Countries with Z | 0 | - | 4.98 | 289,682 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,645 |
| Countries That End in U | 0 | - | 4.95 | 120,371 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,671 |
| Countries that End in O | 0 | - | 4.92 | 159,162 |
| Countries that End in R | 0 | - | 4.87 | 118,703 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,481 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,214 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,047 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,047 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,630 |
| Countries That End in Y | 0 | - | 4.90 | 185,617 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,151 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,350 |
| Countries that End in I | 0 | - | 4.94 | 134,833 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,999 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,547 |
| Countries That End in NIA | 0 | - | 4.92 | 109,482 |
| Countries That End in BIA | 0 | - | 4.93 | 148,792 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,652 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,003 |
| Countries That End in RIA | 0 | - | 4.93 | 126,495 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,582 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,535 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,138 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,484 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,046 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,284 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,635 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,186 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,068 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,170 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,764 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,471 |
