| Countries with the Most Wolves | 0 | - | 4.92 | 108,041 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,784 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,152 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,175 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,933 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,480 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,756 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,305 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,431,849 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,006 |
| Landlocked Countries | 0 | - | 4.99 | 420,119 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,965 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,868 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 106,714 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,236 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,922 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,628 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,701 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,591 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,198 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,169 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,556 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,193 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,124 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,964 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,235 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,638 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,525 |
| Himalayan Countries | 0 | - | 4.95 | 137,941 |
| Andean Countries | 0 | - | 4.95 | 84,191 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,407 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,065 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,052 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,500 |
| Danube Countries | 0 | - | 4.97 | 71,785 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,727 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,176 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,892 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,062 |
| European Landlocked Countries | 0 | - | 4.99 | 146,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,313 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,473 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,475 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,642 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,410 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,093 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,482 |
| Countries in the Alps | 0 | - | 4.87 | 117,909 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,346 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,630 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,518 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,411 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,255 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,427 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,301 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,053 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,671 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,395 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,025 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,322 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,327 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,461 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,144 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,658 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,739 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,987 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,560 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,859 |
| Countries by Countries | 0 | - | 4.97 | 62,969 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,413 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,467 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,817 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,997 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,947 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,037 |
| Island Countries | 0 | - | 4.99 | 710,247 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,582 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,460 |
| Northernmost Countries | 0 | - | 4.99 | 361,068 |
| Countries of South America | 0 | - | 5.00 | 924,605 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,479 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,710 |
| "Land" Countries | 0 | - | 4.98 | 336,110 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,712 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,309 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,766 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,820 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,482 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,965 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,308 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,382 |
| Countries with Megacities | 0 | - | 4.99 | 263,020 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,211 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,190 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,510 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,228 |
| Countries by Official Language | 0 | - | 4.95 | 194,869 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,851 |
| Countries in their Native Language | 0 | - | 4.99 | 198,409 |
| Independence from Whom | 0 | - | 4.99 | 211,632 |
| Subdivisions by Country | 0 | - | 4.86 | 50,342 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,928 |
| Megadiverse Countries | 0 | - | 4.96 | 134,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,745 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,239 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,824 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,054 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,864 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,461 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,164 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,916 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,548 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,031 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,286 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,782 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,070 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,849 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,234 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,404 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,564 |
| World Map Quiz | 0 | - | 4.81 | 64,806 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,227 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,164 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,731 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,062 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,787 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,687 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,665 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,801 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,940 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,337 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,404 |
| Widest Countries East to West | 0 | - | 4.92 | 129,469 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,410 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,122 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,047 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,613 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,378 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,675 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,295 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,754 |
| Countries with Double Letters | 0 | - | 4.97 | 95,332 |
| Countries that End in N | 0 | - | 4.95 | 170,366 |
| Countries with Five Letters | 0 | - | 4.96 | 281,219 |
| Countries with Six Letters | 0 | - | 4.94 | 212,775 |
| Countries with W | 0 | - | 4.97 | 159,683 |
| Countries with Z | 0 | - | 4.98 | 290,583 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,955 |
| Countries That End in U | 0 | - | 4.95 | 120,505 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,971 |
| Countries that End in O | 0 | - | 4.92 | 159,277 |
| Countries that End in R | 0 | - | 4.87 | 118,797 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,564 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,570 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,301 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,203 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,807 |
| Countries That End in Y | 0 | - | 4.91 | 185,706 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,496 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,580 |
| Countries that End in I | 0 | - | 4.94 | 134,935 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,693 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,658 |
| Countries That End in NIA | 0 | - | 4.92 | 109,604 |
| Countries That End in BIA | 0 | - | 4.93 | 148,962 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,864 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,187 |
| Countries That End in RIA | 0 | - | 4.93 | 126,624 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,759 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,029 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,387 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,780 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,312 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,401 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,778 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,354 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,268 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,274 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,970 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,690 |
| Countries that End in L | 0 | - | 4.94 | 156,637 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,656 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,187 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,905 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,809 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,861 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,110 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,358 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,773 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,286 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,791 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,683 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,008 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,635 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,748 |
