| One Country By Letter By Continent | 0 | - | 5.00 | 125,773 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,916,679 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,784 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,215 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,742 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,457 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,228 |
| Countries that Start with D | 0 | - | 4.96 | 716,957 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,716 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,191 |
| Countries that Start with H | 0 | - | 4.96 | 609,949 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,059 |
| Countries that Start with J | 0 | - | 4.98 | 607,347 |
| Countries that Start with K | 0 | - | 4.97 | 821,158 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,321 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,384 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,520 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,847 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,297 |
| Countries that Start with U | 0 | - | 4.97 | 908,778 |
| Countries that Start with V | 0 | - | 4.98 | 612,231 |
| Countries that Start with F | 0 | - | 4.83 | 621,595 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,810 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,716 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,674 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,624 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,944 |
| Landlocked Countries | 0 | - | 4.99 | 426,484 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,494 |
| Orthodox Countries | 0 | - | 4.92 | 132,866 |
| Battle to Country | 0 | - | 4.91 | 54,018 |
| Monarchies of Europe | 0 | - | 4.90 | 98,931 |
| Monarchies of Asia | 0 | - | 4.97 | 71,539 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,314 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,553 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,602 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,763 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,859 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,067 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,823 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,397 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,481 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,884 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,968 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,859 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,781 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,829 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,969 |
| Island Countries | 0 | - | 4.99 | 712,738 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,522 |
| Himalayan Countries | 0 | - | 4.93 | 140,458 |
| Andean Countries | 0 | - | 4.94 | 85,601 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,738 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,197 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,305 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,541 |
| Danube Countries | 0 | - | 4.97 | 72,465 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,674 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,896 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,250 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,724 |
| European Landlocked Countries | 0 | - | 4.99 | 147,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,391 |
| Countries with the Most Species | 0 | - | 4.99 | 103,602 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,498 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,790 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,875 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,612 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,065 |
| Countries in the Alps | 0 | - | 4.87 | 118,850 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,781 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,982 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,009 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,085 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,030 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,316 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,913 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,461 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,225 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,909 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,779 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,601 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,843 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,944 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,970 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,654 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,429 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,736 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,931 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,549 |
| Largest Countries By Category | 0 | - | 4.97 | 158,945 |
| Countries by Countries | 0 | - | 4.96 | 63,703 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,124 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,146 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,296 |
| Northernmost Countries | 0 | - | 4.99 | 364,259 |
| Countries of South America | 0 | - | 5.00 | 933,335 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,313 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,840 |
| "Land" Countries | 0 | - | 4.98 | 338,528 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,437 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,067 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,308 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,635 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,351 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,894 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,688 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,305 |
| Countries with Megacities | 0 | - | 4.99 | 267,416 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,975 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,224 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,301 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,325 |
| Countries by Official Language | 0 | - | 4.95 | 196,102 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,767 |
| Countries in their Native Language | 0 | - | 4.99 | 199,832 |
| Independence from Whom | 0 | - | 4.99 | 213,205 |
| Subdivisions by Country | 0 | - | 4.87 | 50,640 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,554 |
| Countries in World War I | 0 | - | 4.88 | 229,268 |
| Megadiverse Countries | 0 | - | 4.96 | 143,313 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,249 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,024 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,553 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,744 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,236 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,343 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,884 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,177 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,590 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,116 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,274 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,628 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,428 |
| Hindu Countries | 0 | - | 4.87 | 50,610 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,462 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,171 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,912 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,514 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,756 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,369 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,149 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,613 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,724 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,481 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,600 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,787 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,720 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,834 |
| Widest Countries East to West | 0 | - | 4.92 | 130,774 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,614 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,299 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,095 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,032 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,532 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,516 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,905 |
| Countries with Double Letters | 0 | - | 4.96 | 97,208 |
| Countries that End in N | 0 | - | 4.95 | 172,247 |
| Countries with Five Letters | 0 | - | 4.96 | 284,167 |
| Countries with Six Letters | 0 | - | 4.94 | 214,623 |
| Countries with W | 0 | - | 4.96 | 161,044 |
| Countries with Z | 0 | - | 4.98 | 292,595 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,378 |
| Countries That End in U | 0 | - | 4.95 | 121,242 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,188 |
| Countries that End in O | 0 | - | 4.92 | 160,263 |
| Countries that End in R | 0 | - | 4.87 | 119,214 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,977 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,956 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,223 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,875 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,805 |
| Countries That End in Y | 0 | - | 4.91 | 186,112 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,528 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,324 |
| Countries that End in I | 0 | - | 4.94 | 135,355 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,689 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,088 |
| Countries That End in NIA | 0 | - | 4.92 | 110,095 |
| Countries That End in BIA | 0 | - | 4.93 | 149,638 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,747 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,810 |
| Countries That End in RIA | 0 | - | 4.93 | 127,089 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,444 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,736 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,256 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,710 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,256 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,837 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,364 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,554 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,671 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,484 |
