| Countries with Wild Tigers | 0 | - | 4.96 | 135,962 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,586 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,648 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,686 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,624 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,383 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,579 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,103,902 |
| Landlocked Countries | 0 | - | 4.99 | 415,878 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,745 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,705 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,702 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,842 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,684 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,587 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,172 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,840 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,532 |
| Himalayan Countries | 0 | - | 4.95 | 136,174 |
| Andean Countries | 0 | - | 4.95 | 83,280 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,578 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,772 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,275 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,901 |
| Danube Countries | 0 | - | 4.97 | 71,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,084 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,773 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,987 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,946 |
| European Landlocked Countries | 0 | - | 4.99 | 146,024 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,636 |
| Countries with the Most Species | 0 | - | 4.99 | 95,381 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,767 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,102 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,748 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,125 |
| Countries in the Alps | 0 | - | 4.86 | 117,218 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,823 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,717 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,200 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,646 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,451 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,885 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,937 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,273 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,305 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,173 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,663 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,925 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,937 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,577 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,837 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,377 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,113 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,589 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,386 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,773 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,528 |
| Largest Countries By Category | 0 | - | 4.97 | 157,144 |
| Countries by Countries | 0 | - | 4.96 | 62,509 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,764 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,052 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,024 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,677 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,599 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,908 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,758 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,899 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,587 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,574 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,995 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,813 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,283 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,430 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,124 |
| Island Countries | 0 | - | 4.99 | 708,555 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,560 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,100 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,448 |
| Northernmost Countries | 0 | - | 4.99 | 359,001 |
| Countries of South America | 0 | - | 5.00 | 918,637 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,426 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,202 |
| "Land" Countries | 0 | - | 4.98 | 334,254 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,269 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,799 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,842 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,577 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,072 |
| Countries with Megacities | 0 | - | 4.99 | 248,547 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,955 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,443 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,330 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,387 |
| Countries by Official Language | 0 | - | 4.95 | 193,710 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,200 |
| Countries in their Native Language | 0 | - | 4.99 | 197,389 |
| Independence from Whom | 0 | - | 4.99 | 210,359 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,191 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,581 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,047 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,581 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,951 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,167 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,449 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,498 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,322 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,053 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,648 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,618 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,822 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,157 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,302 |
| World Map Quiz | 0 | - | 4.81 | 63,919 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,642 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,912 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,594 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,309 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,502 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,180 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,377 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,564 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,106 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,584 |
| Widest Countries East to West | 0 | - | 4.92 | 129,083 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,304 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,563 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,673 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,908 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,903 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,291 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,944 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,655 |
| Countries with Double Letters | 0 | - | 4.96 | 93,801 |
| Countries that End in N | 0 | - | 4.94 | 157,233 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,189 |
| Countries with Six Letters | 0 | - | 4.93 | 210,827 |
| Countries with W | 0 | - | 4.97 | 158,492 |
| Countries with Z | 0 | - | 4.98 | 288,382 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,845 |
| Countries That End in U | 0 | - | 4.95 | 119,657 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,985 |
| Countries that End in O | 0 | - | 4.92 | 158,691 |
| Countries that End in R | 0 | - | 4.87 | 118,402 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,963 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,533 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,623 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,707 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,272 |
| Countries That End in Y | 0 | - | 4.90 | 185,314 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,712 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,990 |
| Countries that End in I | 0 | - | 4.94 | 134,586 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,577 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,346 |
| Countries That End in NIA | 0 | - | 4.92 | 109,201 |
| Countries That End in BIA | 0 | - | 4.92 | 148,389 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,328 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,697 |
| Countries That End in RIA | 0 | - | 4.93 | 126,246 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,235 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,896 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,755 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,113 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,656 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,066 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,346 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,863 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,754 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,934 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,085 |
| Countries that End in L | 0 | - | 4.94 | 156,200 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,499 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,035 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,671 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,501 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,565 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,148 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,722 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,083 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,740 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,158 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,989 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,849 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,268 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,486 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,736 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,468 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,810,612 |
| One Border Countries | 0 | - | 4.98 | 466,043 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,600,230 |
