| Countries with Wild Penguins | 0 | - | 4.94 | 99,752 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,803 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,839 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,715 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,958 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,595 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,631 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,268,519 |
| Landlocked Countries | 0 | - | 4.99 | 418,014 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,777 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,893 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,832 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,530 |
| Himalayan Countries | 0 | - | 4.94 | 137,022 |
| Andean Countries | 0 | - | 4.95 | 83,729 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,981 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,344 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,653 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,223 |
| Danube Countries | 0 | - | 4.97 | 71,563 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,412 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,975 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,478 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,526 |
| European Landlocked Countries | 0 | - | 4.99 | 146,669 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,996 |
| Countries with the Most Species | 0 | - | 4.99 | 102,721 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,131 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,388 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,554 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,247 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,915 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,295 |
| Countries in the Alps | 0 | - | 4.87 | 117,541 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,035 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,187 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,355 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,888 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,992 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,383 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,159 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,109 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,912 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,473 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,433 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,293 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,850 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,117 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,140 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,993 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,992 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,517 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,404 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,818 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,997 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,927 |
| Largest Countries By Category | 0 | - | 4.97 | 157,493 |
| Countries by Countries | 0 | - | 4.96 | 62,753 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,073 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,131 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,450 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,210 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,562 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,241 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,144 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,350 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,609 |
| Island Countries | 0 | - | 4.99 | 709,361 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,559 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,010 |
| Northernmost Countries | 0 | - | 4.99 | 360,059 |
| Countries of South America | 0 | - | 5.00 | 921,752 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,536 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,530 |
| "Land" Countries | 0 | - | 4.98 | 335,563 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,145 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,659 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,207 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,287 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,706 |
| Countries with Megacities | 0 | - | 4.99 | 249,816 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,531 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,794 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,861 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,785 |
| Countries by Official Language | 0 | - | 4.95 | 194,462 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,286 |
| Countries in their Native Language | 0 | - | 4.99 | 198,020 |
| Independence from Whom | 0 | - | 4.99 | 211,139 |
| Subdivisions by Country | 0 | - | 4.86 | 50,252 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,567 |
| Megadiverse Countries | 0 | - | 4.96 | 134,701 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,155 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,146 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,702 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,989 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,615 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,315 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,838 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,755 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,448 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,930 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,663 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,661 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,895 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,729 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,061 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,281 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,947 |
| World Map Quiz | 0 | - | 4.81 | 64,384 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,112 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,932 |
| Countries by Founding Story | 0 | - | 4.95 | 76,989 |
| Countries by Road Signs | 0 | - | 4.98 | 53,571 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,318 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,829 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,547 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,074 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,433 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,604 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,749 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,215 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,213 |
| Widest Countries East to West | 0 | - | 4.92 | 129,279 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,367 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,840 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,970 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,447 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,123 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,472 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,197 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,707 |
| Countries with Double Letters | 0 | - | 4.97 | 94,901 |
| Countries that End in N | 0 | - | 4.95 | 169,507 |
| Countries with Five Letters | 0 | - | 4.96 | 278,507 |
| Countries with Six Letters | 0 | - | 4.94 | 212,254 |
| Countries with W | 0 | - | 4.97 | 159,385 |
| Countries with Z | 0 | - | 4.98 | 289,590 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,587 |
| Countries That End in U | 0 | - | 4.95 | 120,341 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,598 |
| Countries that End in O | 0 | - | 4.92 | 159,139 |
| Countries that End in R | 0 | - | 4.87 | 118,678 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,466 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,175 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,009 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,001 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,589 |
| Countries That End in Y | 0 | - | 4.90 | 185,602 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,096 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,313 |
| Countries that End in I | 0 | - | 4.94 | 134,816 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,942 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,528 |
| Countries That End in NIA | 0 | - | 4.92 | 109,448 |
| Countries That End in BIA | 0 | - | 4.93 | 148,757 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,618 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,972 |
| Countries That End in RIA | 0 | - | 4.93 | 126,458 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,551 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,468 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,102 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,440 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,009 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,263 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,593 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,144 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,037 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,150 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,732 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,419 |
| Countries that End in L | 0 | - | 4.94 | 156,471 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,634 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,138 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,788 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,664 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,711 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,579 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,019 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,525 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,992 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,467 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,485 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,913 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,338 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,571 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,601 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,009 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,384 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,893 |
| One Border Countries | 0 | - | 4.98 | 467,212 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,819,209 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,610,928 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,224 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,437 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,197 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,547 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,194 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,253 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,814 |
