| One Country By Letter By Continent | 0 | - | 5.00 | 126,098 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,997,638 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,004 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,980 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,393 |
| Landlocked Countries | 0 | - | 4.99 | 427,602 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,883 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,189 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,824 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,050 |
| Countries that Start with D | 0 | - | 4.96 | 718,243 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,218 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,811 |
| Countries that Start with H | 0 | - | 4.96 | 610,880 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,354 |
| Countries that Start with J | 0 | - | 4.98 | 608,219 |
| Countries that Start with K | 0 | - | 4.97 | 822,089 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,502 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,597 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,715 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,402 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,209 |
| Countries that Start with U | 0 | - | 4.97 | 909,496 |
| Countries that Start with V | 0 | - | 4.98 | 612,728 |
| Countries that Start with F | 0 | - | 4.83 | 622,286 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,038 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,693 |
| Orthodox Countries | 0 | - | 4.92 | 133,005 |
| Battle to Country | 0 | - | 4.91 | 54,148 |
| Monarchies of Europe | 0 | - | 4.90 | 99,070 |
| Monarchies of Asia | 0 | - | 4.97 | 71,640 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,376 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,758 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,858 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,965 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,230 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,931 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,139 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,572 |
| Island Countries | 0 | - | 4.99 | 713,143 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,084 |
| Himalayan Countries | 0 | - | 4.93 | 140,967 |
| Andean Countries | 0 | - | 4.94 | 85,874 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,987 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,596 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,531 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,741 |
| Danube Countries | 0 | - | 4.97 | 72,598 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,855 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,007 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,511 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,984 |
| European Landlocked Countries | 0 | - | 4.99 | 147,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,588 |
| Countries with the Most Species | 0 | - | 4.99 | 103,666 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,694 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,827 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,967 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,948 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,700 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,162 |
| Countries in the Alps | 0 | - | 4.87 | 119,028 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,094 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,233 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,086 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,212 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,178 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,419 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,633 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,029 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,529 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,346 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,972 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,848 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,699 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,952 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,053 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,223 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,763 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,710 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,881 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,492 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,607 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,635 |
| Largest Countries By Category | 0 | - | 4.97 | 159,154 |
| Countries by Countries | 0 | - | 4.97 | 63,842 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,039 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,526 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,837 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,984 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,158 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,271 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,588 |
| Northernmost Countries | 0 | - | 4.99 | 364,778 |
| Countries of South America | 0 | - | 5.00 | 934,784 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,069 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,275 |
| "Land" Countries | 0 | - | 4.98 | 339,139 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,115 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,015 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,832 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,760 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,171 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,461 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,673 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,443 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,638 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,139 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,615 |
| Countries with Megacities | 0 | - | 4.99 | 268,091 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,262 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,395 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,600 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,498 |
| Countries by Official Language | 0 | - | 4.95 | 196,302 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,054 |
| Countries in their Native Language | 0 | - | 4.99 | 200,016 |
| Independence from Whom | 0 | - | 4.99 | 213,501 |
| Subdivisions by Country | 0 | - | 4.87 | 50,680 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,735 |
| Countries in World War I | 0 | - | 4.88 | 229,510 |
| Megadiverse Countries | 0 | - | 4.96 | 149,657 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,825 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,201 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,592 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,839 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,270 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,526 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,948 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,357 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,648 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,296 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,864 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,512 |
| Hindu Countries | 0 | - | 4.86 | 50,698 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,526 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,241 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,663 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 72,001 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,855 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,851 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,602 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,279 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,750 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,028 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,603 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,714 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,894 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,782 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,001 |
| Widest Countries East to West | 0 | - | 4.92 | 130,895 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,457 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,583 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,185 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,344 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,643 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,933 |
| Countries with Double Letters | 0 | - | 4.96 | 97,745 |
| Countries that End in N | 0 | - | 4.95 | 172,748 |
| Countries with Five Letters | 0 | - | 4.96 | 284,800 |
| Countries with Six Letters | 0 | - | 4.94 | 215,082 |
| Countries with W | 0 | - | 4.96 | 161,400 |
| Countries with Z | 0 | - | 4.98 | 293,145 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,771 |
| Countries That End in U | 0 | - | 4.95 | 121,447 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,521 |
| Countries that End in O | 0 | - | 4.92 | 160,418 |
| Countries that End in R | 0 | - | 4.87 | 119,311 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,083 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,236 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,410 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,279 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,949 |
| Countries That End in Y | 0 | - | 4.91 | 186,198 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,483 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,467 |
| Countries that End in I | 0 | - | 4.94 | 135,457 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,427 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,176 |
| Countries That End in NIA | 0 | - | 4.92 | 110,188 |
| Countries That End in BIA | 0 | - | 4.93 | 149,783 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,992 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,937 |
| Countries That End in RIA | 0 | - | 4.93 | 127,189 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,582 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,047 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,444 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,910 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,471 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,945 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,506 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,618 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,760 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,671 |
| Countries that End in L | 0 | - | 4.94 | 157,286 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,756 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,389 |
