| Countries by Clue #2 | 0 | - | 4.92 | 150,417 |
| Countries by Clue #1 | 0 | - | 4.93 | 223,355 |
| European Countries by Clue | 0 | - | 4.94 | 173,204 |
| Countries by a Single Clue #5 | 0 | - | 4.90 | 92,668 |
| The Only American Country ... | 0 | - | 4.94 | 111,579 |
| Five Countries by a Single Word by Continent | 0 | - | 4.90 | 67,812 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 69,832 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 71,145 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 90,748 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 67,678 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,780,266 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,572 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.92 | 61,715 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.90 | 53,904 |
| Countries by Clue #3 | 0 | - | 4.75 | 92,192 |
| Countries by Clue #5 | 0 | - | 4.48 | 46,409 |
| Countries by a Single Clue #1 | 0 | - | 4.76 | 95,550 |
| Countries by a Single Clue #2 | 0 | - | 4.50 | 89,991 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 82,485 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 73,168 |
| Countries by a Single Clue #6 | 0 | - | 4.47 | 82,598 |
| Countries by a Single Clue #8 | 0 | - | 4.47 | 90,517 |
| Countries by a Single Clue #10 | 0 | - | 4.58 | 64,838 |
| Countries by a Single Clue #11 | 0 | - | 4.57 | 72,956 |
| Countries by a Single Clue #12 | 0 | - | 4.47 | 75,254 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,174,020 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,230,292 |
| Members of the Arab League | 0 | - | 4.86 | 66,389 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,557 |
| Himalayan Countries | 0 | - | 4.94 | 108,507 |
| Andean Countries | 0 | - | 4.91 | 60,264 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,427 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,880 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,508 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,871 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,291 |
| Danube Countries | 0 | - | 4.96 | 57,246 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,255 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,313 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,750 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,437 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,076 |
| European Landlocked Countries | 0 | - | 4.99 | 137,240 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,845 |
| Countries with the Most Species | 0 | - | 4.99 | 89,869 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,377 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,033 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,327 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,087 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,901 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,145 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,955 |
| Countries in the Alps | 0 | - | 4.84 | 103,905 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,472 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,596 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,308 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,404 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,928 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,378 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,578 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,791 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,715 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,442 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,043 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,038 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,605 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,697 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,270 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,639 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,981 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,068 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,752 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,494 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,855 |
| Largest Countries By Category | 0 | - | 4.97 | 146,482 |
| Countries by Countries | 0 | - | 4.95 | 55,642 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,598 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,225 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,663 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,200 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,808 |
| Island Countries Quiz | 0 | - | 4.99 | 668,840 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,841 |
| Northernmost Countries | 0 | - | 4.99 | 330,983 |
| Countries of South America | 0 | - | 5.00 | 810,281 |
| Countries of Oceania | 0 | - | 5.00 | 914,126 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,612,196 |
| Countries Ending in "IA" by Clue | 0 | - | 4.79 | 66,641 |
| Countries by Clue #4 | 0 | - | 4.39 | 69,584 |
| Countries by a Single Clue #7 | 0 | - | 4.38 | 67,111 |
| Countries by a Single Clue #9 | 0 | - | 4.36 | 70,048 |
| Countries by a Single Word | 0 | - | 4.60 | 27,017 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,091 |
| Countries with Megacities | 0 | - | 4.99 | 201,921 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,435 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,988 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,287 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,917 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,148 |
| Countries by Official Language | 0 | - | 4.96 | 175,283 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,343 |
| Countries in their Native Language | 0 | - | 4.98 | 180,636 |
| Independence from Whom | 0 | - | 4.99 | 189,433 |
| Subdivisions by Country | 0 | - | 4.84 | 46,905 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,672 |
| Megadiverse Countries | 0 | - | 4.96 | 126,826 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,960 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,603 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,834 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,377 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,904 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,668 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,053 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,732 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,861 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,096 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,279 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,957 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,494 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,412 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,041 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,590 |
| World Map Quiz | 0 | - | 4.90 | 51,493 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,588 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,754 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,812 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,849 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,046 |
| Countries With the Most Languages | 0 | - | 4.90 | 177,815 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,704 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,091 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 88,322 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 55,107 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,594 |
| Widest Countries East to West | 0 | - | 4.93 | 120,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,123 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,557 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,838 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,424 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,867 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,671 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,496 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,803 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,417 |
| Countries with Double Letters | 0 | - | 4.96 | 71,841 |
| Countries that End in N | 0 | - | 4.94 | 136,021 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 233,906 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,593 |
| Countries with W | 0 | - | 4.96 | 125,682 |
| Countries with Z | 0 | - | 4.98 | 264,715 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,700 |
| Countries That End in U | 0 | - | 4.95 | 109,352 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,397 |
| Countries that End in O | 0 | - | 4.92 | 148,657 |
| Countries that End in R | 0 | - | 4.85 | 97,322 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,141 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,204 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,718 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,707 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,649 |
| Countries That End in Y | 0 | - | 4.90 | 162,426 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,008 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,395 |
| Countries that End in I | 0 | - | 4.92 | 115,206 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,649 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,393 |
| Countries That End in NIA | 0 | - | 4.92 | 101,828 |
| Countries That End in BIA | 0 | - | 4.91 | 127,322 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,173 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 110,984 |
| Countries That End in RIA | 0 | - | 4.90 | 101,902 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,773 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,641 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,643 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,775 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,317 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,912 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,855 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,181 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,697 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,082 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,510 |
| Countries that End in L | 0 | - | 4.95 | 135,853 |
| "Land" Countries | 0 | - | 4.98 | 292,366 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,291 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,895 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,377 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,086 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,632 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,130 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 171,039 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,834 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 134,942 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,445 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,596 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,630 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,323 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,286 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,388 |
