| Countries with Wild Tigers | 0 | - | 4.96 | 135,639 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,332 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,440 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,440 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,445 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,522 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,059 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,481 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,949,302 |
| Landlocked Countries | 0 | - | 4.99 | 413,927 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,638 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,618 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,784 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,850 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,730 |
| Himalayan Countries | 0 | - | 4.95 | 135,481 |
| Andean Countries | 0 | - | 4.94 | 82,878 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,266 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,281 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,962 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,649 |
| Danube Countries | 0 | - | 4.97 | 71,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,807 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,570 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,557 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,463 |
| European Landlocked Countries | 0 | - | 4.99 | 145,792 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,254 |
| Countries with the Most Species | 0 | - | 4.99 | 95,259 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,398 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,208 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,381 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,974 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,596 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,976 |
| Countries in the Alps | 0 | - | 4.86 | 116,881 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,601 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,322 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,037 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,450 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,214 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,037 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,613 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,782 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,420 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,205 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,058 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,475 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,785 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,776 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,143 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,683 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,276 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,818 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,486 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,782 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,621 |
| Largest Countries By Category | 0 | - | 4.97 | 156,821 |
| Countries by Countries | 0 | - | 4.96 | 62,292 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,451 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,976 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,343 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,800 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,508 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,233 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,038 |
| Island Countries | 0 | - | 4.99 | 707,749 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,954 |
| Northernmost Countries | 0 | - | 4.99 | 357,922 |
| Countries of South America | 0 | - | 5.00 | 915,380 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,285 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,672 |
| "Land" Countries | 0 | - | 4.98 | 333,736 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,656 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,271 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,993 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,257 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,485 |
| Countries with Megacities | 0 | - | 4.99 | 247,326 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,321 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,113 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,745 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,039 |
| Countries by Official Language | 0 | - | 4.95 | 192,843 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,217 |
| Countries in their Native Language | 0 | - | 4.99 | 196,707 |
| Independence from Whom | 0 | - | 4.99 | 209,789 |
| Subdivisions by Country | 0 | - | 4.86 | 50,084 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,824 |
| Megadiverse Countries | 0 | - | 4.97 | 133,930 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,873 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,934 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,441 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,868 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,712 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,028 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,105 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,178 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,230 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,753 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,655 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,442 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,517 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,520 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,707 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,040 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,674 |
| World Map Quiz | 0 | - | 4.81 | 63,550 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,876 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,365 |
| Countries by Founding Story | 0 | - | 4.95 | 76,579 |
| Countries by Road Signs | 0 | - | 4.98 | 53,135 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,428 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,068 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,986 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,865 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,904 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,099 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,307 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,961 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,362 |
| Widest Countries East to West | 0 | - | 4.92 | 128,637 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,220 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,271 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,588 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,717 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,665 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,088 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,057 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,594 |
| Countries with Double Letters | 0 | - | 4.96 | 93,445 |
| Countries that End in N | 0 | - | 4.94 | 156,951 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,762 |
| Countries with Six Letters | 0 | - | 4.93 | 210,423 |
| Countries with W | 0 | - | 4.97 | 158,274 |
| Countries with Z | 0 | - | 4.98 | 287,954 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,598 |
| Countries That End in U | 0 | - | 4.95 | 119,540 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,644 |
| Countries that End in O | 0 | - | 4.92 | 158,578 |
| Countries that End in R | 0 | - | 4.87 | 118,294 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,870 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,150 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,377 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,529 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,070 |
| Countries That End in Y | 0 | - | 4.90 | 185,223 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,432 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,730 |
| Countries that End in I | 0 | - | 4.94 | 134,448 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,263 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,220 |
| Countries That End in NIA | 0 | - | 4.92 | 109,031 |
| Countries That End in BIA | 0 | - | 4.92 | 147,741 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,112 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,518 |
| Countries That End in RIA | 0 | - | 4.93 | 126,108 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,042 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,260 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,549 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,921 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,401 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,952 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,155 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,682 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,544 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,828 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,190 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,857 |
| Countries that End in L | 0 | - | 4.94 | 155,773 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,423 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,997 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,539 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,332 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,453 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,241 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,189 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 128,599 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,275 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,483 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,593 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,653 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,180 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,693 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,431 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,347 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,701 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,809 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,802,500 |
| One Border Countries | 0 | - | 4.98 | 464,670 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,589,652 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,804 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,876 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,090 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,170 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,666 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,688 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,913 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,087 |
