| Regions of Countries #1 | 0 | - | 4.96 | 159,693 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,083 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,849 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 723,032 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,237 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,273 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,610,099 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,988 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,645 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,483 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,017 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,850 |
| Countries with Four Letters | 0 | - | 4.99 | 423,461 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,047 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,974 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,127 |
| Landlocked Countries | 0 | - | 4.99 | 422,324 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,117 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,432 |
| Country Chain | 0 | - | 4.96 | 217,638 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,452 |
| Countries by Emojis | 0 | - | 4.99 | 240,510 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,140 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,840 |
| Islands by Country #1 | 0 | - | 4.90 | 175,539 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,176 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,732 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,414 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,576 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,727 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,735 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,013 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,693 |
| Himalayan Countries | 0 | - | 4.95 | 138,897 |
| Andean Countries | 0 | - | 4.93 | 84,711 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,914 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,973 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,533 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,872 |
| Danube Countries | 0 | - | 4.97 | 72,059 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,076 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,468 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,376 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,868 |
| European Landlocked Countries | 0 | - | 4.99 | 147,189 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,716 |
| Countries with the Most Species | 0 | - | 4.99 | 103,271 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,833 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,613 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,574 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,261 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,707 |
| Countries in the Alps | 0 | - | 4.87 | 118,263 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,343 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,095 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,692 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,634 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,557 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,978 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,715 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,538 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,202 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,889 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,673 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,547 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,257 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,509 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,568 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,985 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,342 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,212 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,137 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,115 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,228 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,261 |
| Largest Countries By Category | 0 | - | 4.97 | 158,276 |
| Countries by Countries | 0 | - | 4.96 | 63,272 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,739 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,708 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,839 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,611 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,557 |
| Island Countries | 0 | - | 4.99 | 711,166 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,306 |
| Northernmost Countries | 0 | - | 4.99 | 362,117 |
| Mountains by Country | 0 | - | 4.56 | 81,846 |
| Countries of South America | 0 | - | 5.00 | 927,811 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,601 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,411 |
| "Land" Countries | 0 | - | 4.98 | 337,434 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,198 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,368 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,297 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,873 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,616 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,521 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,973 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,363 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,761 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,674 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,680 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,161 |
| Random Countries by Borders | 0 | - | 4.99 | 82,682 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,477 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,982 |
| Countries with Megacities | 0 | - | 4.99 | 264,765 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,824 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,517 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,078 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,593 |
| Countries by Official Language | 0 | - | 4.95 | 195,316 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,474 |
| Countries in their Native Language | 0 | - | 4.99 | 199,110 |
| Independence from Whom | 0 | - | 4.99 | 212,178 |
| Subdivisions by Country | 0 | - | 4.86 | 50,440 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,793 |
| Megadiverse Countries | 0 | - | 4.96 | 135,047 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,159 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,377 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,253 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,120 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,179 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,615 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,519 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,052 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,677 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,737 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,909 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,224 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,985 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,373 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,512 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,285 |
| World Map Quiz | 0 | - | 4.81 | 65,143 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,719 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,459 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,424 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,383 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,158 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,316 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,029 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,299 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,929 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,041 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,324 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,463 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,599 |
| Widest Countries East to West | 0 | - | 4.92 | 129,684 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,423 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,133 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,790 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,625 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,905 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,384 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,807 |
| Companies by Country | 0 | - | 4.61 | 119,845 |
| Landforms by Country | 0 | - | 4.52 | 51,988 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,092 |
| Airlines by Country | 0 | - | 4.52 | 135,552 |
| Countries with Double Letters | 0 | - | 4.96 | 96,297 |
| Countries that End in N | 0 | - | 4.95 | 171,191 |
| Countries with Five Letters | 0 | - | 4.96 | 282,611 |
| Countries with Six Letters | 0 | - | 4.94 | 213,629 |
| Countries with W | 0 | - | 4.97 | 160,377 |
| Countries with Z | 0 | - | 4.98 | 291,538 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,749 |
| Countries That End in U | 0 | - | 4.95 | 120,870 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,510 |
| Countries that End in O | 0 | - | 4.92 | 159,529 |
| Countries that End in R | 0 | - | 4.87 | 118,977 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,745 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,159 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,723 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,497 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,417 |
| Countries That End in Y | 0 | - | 4.91 | 185,890 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,962 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,890 |
| Countries that End in I | 0 | - | 4.94 | 135,112 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,145 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,833 |
| Countries That End in NIA | 0 | - | 4.92 | 109,802 |
| Countries That End in BIA | 0 | - | 4.93 | 149,233 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,142 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,447 |
| Countries That End in RIA | 0 | - | 4.93 | 126,821 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,039 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,698 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,743 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,166 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,723 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,589 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,051 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,451 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,544 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,439 |
