| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,527 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,768 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,423 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,519 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,547 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,529 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,634 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,200 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,007,916 |
| Landlocked Countries | 0 | - | 4.99 | 414,716 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,680 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,658 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,812 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,722 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,048 |
| Himalayan Countries | 0 | - | 4.95 | 135,741 |
| Andean Countries | 0 | - | 4.94 | 83,046 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,391 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,470 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,088 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,752 |
| Danube Countries | 0 | - | 4.97 | 71,193 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,919 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,651 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,732 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,636 |
| European Landlocked Countries | 0 | - | 4.99 | 145,888 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,394 |
| Countries with the Most Species | 0 | - | 4.99 | 95,307 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,551 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,241 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,409 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,023 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,665 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,033 |
| Countries in the Alps | 0 | - | 4.86 | 117,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,691 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,472 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,116 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,519 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,309 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,709 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,847 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,618 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,162 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,240 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,107 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,556 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,840 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,839 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,320 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,744 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,321 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,958 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,901 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,041 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,687 |
| Largest Countries By Category | 0 | - | 4.97 | 156,931 |
| Countries by Countries | 0 | - | 4.96 | 62,382 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,564 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,002 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,361 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,873 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,297 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,522 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,409 |
| Island Countries | 0 | - | 4.99 | 708,052 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,514 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,938 |
| Northernmost Countries | 0 | - | 4.99 | 358,343 |
| Countries of South America | 0 | - | 5.00 | 916,735 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,840 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,159 |
| "Land" Countries | 0 | - | 4.98 | 333,935 |
| Countries with More Cows than People | 0 | - | 4.44 | 58,599 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,312 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,042 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,261 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,731 |
| Countries with Megacities | 0 | - | 4.99 | 247,815 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,594 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,252 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,980 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,197 |
| Countries by Official Language | 0 | - | 4.95 | 193,004 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,456 |
| Countries in their Native Language | 0 | - | 4.99 | 196,860 |
| Independence from Whom | 0 | - | 4.99 | 209,981 |
| Subdivisions by Country | 0 | - | 4.86 | 50,117 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,947 |
| Megadiverse Countries | 0 | - | 4.97 | 133,995 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,026 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,971 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,485 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,889 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,796 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,080 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,234 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,278 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,268 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,771 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,776 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,473 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,572 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,560 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,754 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,084 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,921 |
| World Map Quiz | 0 | - | 4.81 | 63,693 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,294 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,463 |
| Countries by Founding Story | 0 | - | 4.95 | 76,646 |
| Countries by Road Signs | 0 | - | 4.98 | 53,224 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,637 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,414 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,145 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,127 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,042 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,230 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,431 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,030 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,474 |
| Widest Countries East to West | 0 | - | 4.92 | 128,964 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,264 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,377 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,619 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,796 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,738 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,166 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,833 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,628 |
| Countries with Double Letters | 0 | - | 4.97 | 93,595 |
| Countries that End in N | 0 | - | 4.94 | 157,072 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,916 |
| Countries with Six Letters | 0 | - | 4.93 | 210,587 |
| Countries with W | 0 | - | 4.97 | 158,362 |
| Countries with Z | 0 | - | 4.98 | 288,117 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,693 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,794 |
| Countries that End in O | 0 | - | 4.92 | 158,621 |
| Countries that End in R | 0 | - | 4.87 | 118,340 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,909 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,314 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,480 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,599 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,143 |
| Countries That End in Y | 0 | - | 4.90 | 185,261 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,539 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,832 |
| Countries that End in I | 0 | - | 4.94 | 134,508 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,377 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,266 |
| Countries That End in NIA | 0 | - | 4.92 | 109,082 |
| Countries That End in BIA | 0 | - | 4.92 | 147,808 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,193 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,590 |
| Countries That End in RIA | 0 | - | 4.93 | 126,161 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,126 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,571 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,627 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,987 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,487 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,989 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,223 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,748 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,630 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,863 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,264 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,932 |
| Countries that End in L | 0 | - | 4.94 | 156,119 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,824 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,012 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,593 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,396 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,490 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,777 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,521 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 140,967 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,577 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,932 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,858 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,782 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,226 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,741 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,449 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,388 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,951 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,104 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,805,381 |
| One Border Countries | 0 | - | 4.98 | 465,185 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,709 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,836 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,939 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,113 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,193 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,715 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,706 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,087 |
