| Island Countries | 0 | - | 4.99 | 710,494 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,856 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,943 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,571 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,424 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,611 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,473,999 |
| Landlocked Countries | 0 | - | 4.99 | 420,714 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,874 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,824 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,819 |
| Himalayan Countries | 0 | - | 4.95 | 138,160 |
| Andean Countries | 0 | - | 4.95 | 84,299 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,524 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,393 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,156 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,594 |
| Danube Countries | 0 | - | 4.97 | 71,853 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,258 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,012 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,469 |
| European Landlocked Countries | 0 | - | 4.99 | 146,989 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,402 |
| Countries with the Most Species | 0 | - | 4.99 | 103,108 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,555 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,513 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,666 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,455 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,128 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,519 |
| Countries in the Alps | 0 | - | 4.87 | 117,980 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,768 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,755 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,555 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,467 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,335 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,839 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,489 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,359 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,087 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,713 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,571 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,427 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,085 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,361 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,380 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,582 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,703 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,839 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,280 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,721 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,122 |
| Largest Countries By Category | 0 | - | 4.97 | 157,957 |
| Countries by Countries | 0 | - | 4.97 | 63,030 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,484 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,225 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,518 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,128 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,824 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,527 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,450 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,099 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,360 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,112 |
| Northernmost Countries | 0 | - | 4.99 | 361,319 |
| Countries of South America | 0 | - | 5.00 | 925,330 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,350 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,497 |
| "Land" Countries | 0 | - | 4.98 | 336,713 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,208 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,785 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,954 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,521 |
| Countries with Megacities | 0 | - | 4.99 | 263,558 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,368 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,286 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,646 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,320 |
| Countries by Official Language | 0 | - | 4.95 | 194,980 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,000 |
| Countries in their Native Language | 0 | - | 4.99 | 198,483 |
| Independence from Whom | 0 | - | 4.99 | 211,760 |
| Subdivisions by Country | 0 | - | 4.86 | 50,371 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,014 |
| Megadiverse Countries | 0 | - | 4.96 | 134,902 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,826 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,271 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,062 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,494 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,242 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,951 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,379 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,800 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,109 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,880 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,258 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,747 |
| World Map Quiz | 0 | - | 4.81 | 64,898 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,495 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,209 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,957 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 145,415 |
| Countries by Founding Story | 0 | - | 4.95 | 77,239 |
| Countries by Road Signs | 0 | - | 4.98 | 53,849 |
| Countries That Do Not Border | 0 | - | 4.99 | 60,298 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,824 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,116 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,847 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,827 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,747 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,883 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,185 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,364 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,458 |
| Widest Countries East to West | 0 | - | 4.92 | 129,525 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,419 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,203 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,070 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,648 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,428 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,719 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,318 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,769 |
| Countries With the Tallest People | 0 | - | 4.93 | 94,907 |
| Countries with Double Letters | 0 | - | 4.97 | 95,643 |
| Countries that End in N | 0 | - | 4.95 | 170,634 |
| Countries with Five Letters | 0 | - | 4.96 | 281,665 |
| Countries with Six Letters | 0 | - | 4.94 | 213,042 |
| Countries with W | 0 | - | 4.97 | 159,937 |
| Countries with Z | 0 | - | 4.98 | 290,876 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,256 |
| Countries That End in U | 0 | - | 4.95 | 120,621 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,112 |
| Countries that End in O | 0 | - | 4.92 | 159,357 |
| Countries that End in R | 0 | - | 4.87 | 118,842 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,617 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,719 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,394 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,273 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,889 |
| Countries That End in Y | 0 | - | 4.91 | 185,769 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,587 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,658 |
| Countries that End in I | 0 | - | 4.94 | 134,980 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,777 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,706 |
| Countries That End in NIA | 0 | - | 4.92 | 109,650 |
| Countries That End in BIA | 0 | - | 4.93 | 149,021 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,910 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,249 |
| Countries That End in RIA | 0 | - | 4.93 | 126,678 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,825 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,190 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,464 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,854 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,406 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,455 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,851 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,383 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,345 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,312 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,072 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,778 |
| Countries that End in L | 0 | - | 4.94 | 156,692 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,934 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,212 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,926 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,846 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,894 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,471 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,434 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,832 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,365 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,869 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,736 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,027 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,694 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,651 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,773 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,289 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,679 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,017 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,414 |
| One Border Countries | 0 | - | 4.98 | 468,733 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,593 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,624,564 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,386 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,175 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,735 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,846 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,931 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,408 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,561 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,094 |
| Countries by National Anthem | 0 | - | 4.93 | 71,249 |
| NATO Countries | 0 | - | 4.98 | 280,541 |
| EU Countries Quiz | 0 | - | 4.99 | 274,388 |
