| Landlocked Countries | 0 | - | 4.99 | 415,745 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,557 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,091,089 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,474 |
| Himalayan Countries | 0 | - | 4.95 | 136,115 |
| Andean Countries | 0 | - | 4.95 | 83,237 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,558 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,738 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,246 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,883 |
| Danube Countries | 0 | - | 4.97 | 71,302 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,063 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,753 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,956 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,901 |
| European Landlocked Countries | 0 | - | 4.99 | 146,011 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,602 |
| Countries with the Most Species | 0 | - | 4.99 | 95,372 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,731 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,283 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,453 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,093 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,742 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,114 |
| Countries in the Alps | 0 | - | 4.86 | 117,184 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,807 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,684 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,181 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,627 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,434 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,176 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,859 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,925 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,726 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,258 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,295 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,163 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,650 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,917 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,924 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,824 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,366 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,097 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,483 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,324 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,757 |
| Largest Countries By Category | 0 | - | 4.97 | 157,110 |
| Countries by Countries | 0 | - | 4.96 | 62,487 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,748 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,045 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,391 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,002 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,734,027 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,156 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,191 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,004 |
| Island Countries | 0 | - | 4.99 | 708,491 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,262 |
| Northernmost Countries | 0 | - | 4.99 | 358,925 |
| Countries of South America | 0 | - | 5.00 | 918,433 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,071 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,718 |
| "Land" Countries | 0 | - | 4.98 | 334,201 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,149 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,024 |
| Countries with Megacities | 0 | - | 4.99 | 248,451 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,914 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,418 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,301 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,357 |
| Countries by Official Language | 0 | - | 4.95 | 193,495 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,020 |
| Countries in their Native Language | 0 | - | 4.99 | 197,243 |
| Independence from Whom | 0 | - | 4.99 | 210,290 |
| Subdivisions by Country | 0 | - | 4.86 | 50,162 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,153 |
| Megadiverse Countries | 0 | - | 4.96 | 134,487 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,419 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,038 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,571 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,925 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,933 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,155 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,420 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,478 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,320 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,794 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,015 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,539 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,645 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,612 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,816 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,142 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,254 |
| World Map Quiz | 0 | - | 4.81 | 63,893 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,912 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,632 |
| Countries by Founding Story | 0 | - | 4.95 | 76,771 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,879 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,576 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,294 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,460 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,165 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,363 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,550 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,571 |
| Widest Countries East to West | 0 | - | 4.92 | 129,069 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,301 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,549 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,668 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,897 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,885 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,272 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,895 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,768 |
| Countries that End in N | 0 | - | 4.94 | 157,206 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,141 |
| Countries with Six Letters | 0 | - | 4.93 | 210,793 |
| Countries with W | 0 | - | 4.97 | 158,471 |
| Countries with Z | 0 | - | 4.98 | 288,347 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,827 |
| Countries That End in U | 0 | - | 4.95 | 119,646 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,955 |
| Countries that End in O | 0 | - | 4.92 | 158,679 |
| Countries that End in R | 0 | - | 4.87 | 118,397 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,949 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,502 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,602 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,698 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,257 |
| Countries That End in Y | 0 | - | 4.90 | 185,307 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,686 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,968 |
| Countries that End in I | 0 | - | 4.94 | 134,576 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,551 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,338 |
| Countries That End in NIA | 0 | - | 4.92 | 109,175 |
| Countries That End in BIA | 0 | - | 4.92 | 148,128 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,315 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,681 |
| Countries That End in RIA | 0 | - | 4.93 | 126,230 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,220 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,852 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,734 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,086 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,642 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,059 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,329 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,845 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,738 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,922 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,398 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,059 |
| Countries that End in L | 0 | - | 4.94 | 156,188 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,394 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,029 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,658 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,494 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,558 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,112 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,704 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,017 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,722 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,127 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,970 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,844 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,259 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,479 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,455 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,579 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,528 |
| One Border Countries | 0 | - | 4.98 | 465,953 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,809,900 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,297 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,205 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,683 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,209 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,804 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,009 |
| Countries by National Anthem | 0 | - | 4.93 | 71,089 |
| NATO Countries | 0 | - | 4.98 | 277,544 |
| EU Countries Quiz | 0 | - | 4.99 | 271,133 |
| Recently Independent Countries | 0 | - | 4.98 | 158,259 |
| French-Speaking Countries | 0 | - | 4.85 | 269,461 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,466 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,688 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,948 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,782 |
| German-Speaking Countries | 0 | - | 4.89 | 133,290 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,944 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,573 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,051 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,743 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,884 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,997 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,216 |
| Olympic Host Countries | 0 | - | 4.98 | 199,334 |
