| Spanish-Speaking Countries | 0 | - | 4.95 | 373,924 |
| Countries by Official Language | 0 | - | 4.95 | 194,069 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,829 |
| Countries in their Native Language | 0 | - | 4.99 | 197,681 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,890 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,183,990 |
| French-Speaking Countries | 0 | - | 4.85 | 269,802 |
| German-Speaking Countries | 0 | - | 4.91 | 144,186 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,606 |
| Landlocked Countries | 0 | - | 4.99 | 416,927 |
| English Speaking Countries | 0 | - | 4.64 | 356,744 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,527 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,316 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,855 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,415 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,465 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,053 |
| Himalayan Countries | 0 | - | 4.95 | 136,612 |
| Andean Countries | 0 | - | 4.95 | 83,543 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,795 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,083 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,469 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,062 |
| Danube Countries | 0 | - | 4.97 | 71,459 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,267 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,870 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,213 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,203 |
| European Landlocked Countries | 0 | - | 4.99 | 146,160 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,818 |
| Countries with the Most Species | 0 | - | 4.99 | 102,103 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,943 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,344 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,523 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,180 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,828 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,208 |
| Countries in the Alps | 0 | - | 4.86 | 117,371 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,926 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,954 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,274 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,862 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,277 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,016 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,009 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,829 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,368 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,376 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,749 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,022 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,767 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,917 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,445 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,270 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,157 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,641 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,844 |
| Largest Countries By Category | 0 | - | 4.97 | 157,303 |
| Countries by Countries | 0 | - | 4.96 | 62,619 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,911 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,089 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,414 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,115 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,167 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,962 |
| Island Countries | 0 | - | 4.99 | 708,907 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,649 |
| Northernmost Countries | 0 | - | 4.99 | 359,492 |
| Countries of South America | 0 | - | 5.00 | 920,023 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,470 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,608 |
| "Land" Countries | 0 | - | 4.98 | 334,712 |
| Top World Languages | 0 | - | 4.92 | 817,677 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,154 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,704 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,148 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,533 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,522 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,389 |
| Countries with Megacities | 0 | - | 4.99 | 249,165 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,247 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,606 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,568 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,572 |
| Independence from Whom | 0 | - | 4.99 | 210,868 |
| Subdivisions by Country | 0 | - | 4.86 | 50,211 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,388 |
| Megadiverse Countries | 0 | - | 4.96 | 134,565 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,087 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,641 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,955 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,468 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,244 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,644 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,570 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,387 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,811 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,329 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,594 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,697 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,662 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,873 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,220 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,645 |
| World Map Quiz | 0 | - | 4.81 | 64,138 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,534 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,729 |
| Countries by Founding Story | 0 | - | 4.95 | 76,904 |
| Countries by Road Signs | 0 | - | 4.98 | 53,447 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,096 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,690 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,423 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,765 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,297 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,485 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,650 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,158 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,659 |
| Widest Countries East to West | 0 | - | 4.92 | 129,166 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,334 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,692 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,934 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,970 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,002 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,383 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,124 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,681 |
| Countries with Double Letters | 0 | - | 4.96 | 94,215 |
| Countries that End in N | 0 | - | 4.95 | 167,328 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,679 |
| Countries with Six Letters | 0 | - | 4.93 | 211,211 |
| Countries with W | 0 | - | 4.97 | 158,892 |
| Countries with Z | 0 | - | 4.98 | 288,873 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,103 |
| Countries That End in U | 0 | - | 4.95 | 119,976 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,213 |
| Countries that End in O | 0 | - | 4.92 | 158,902 |
| Countries that End in R | 0 | - | 4.87 | 118,537 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,306 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,814 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,782 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,838 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,412 |
| Countries That End in Y | 0 | - | 4.90 | 185,452 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,885 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,117 |
| Countries that End in I | 0 | - | 4.94 | 134,695 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,735 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,424 |
| Countries That End in NIA | 0 | - | 4.92 | 109,314 |
| Countries That End in BIA | 0 | - | 4.93 | 148,600 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,452 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,798 |
| Countries That End in RIA | 0 | - | 4.93 | 126,363 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,363 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,146 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,891 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,225 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,821 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,164 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,468 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,972 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,869 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,032 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,547 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,239 |
| Countries that End in L | 0 | - | 4.94 | 156,313 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,013 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,074 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,720 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,582 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,632 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,368 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,829 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,372 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,854 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,286 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,058 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,880 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,046 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,300 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,530 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,531 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,227 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,333 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,317 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,949 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,814,607 |
| One Border Countries | 0 | - | 4.98 | 466,560 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,378 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,667 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,314 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,961 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,371 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,110 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,122 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,665 |
