| Countries by Three Words #2 | 0 | - | 4.97 | 201,209 |
| Countries by Three Words #1 | 0 | - | 4.95 | 264,718 |
| European Countries by Clue | 0 | - | 4.92 | 183,312 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 100,746 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,657 |
| The Only American Country ... | 0 | - | 4.92 | 121,219 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,727 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,896 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,068 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,450 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,404 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,200,646 |
| Landlocked Countries | 0 | - | 4.99 | 417,131 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,196 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,822 |
| Countries by Three Words #3 | 0 | - | 4.80 | 128,203 |
| Countries by Three Words #4 | 0 | - | 4.44 | 100,173 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 100,499 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 94,821 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 86,635 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 76,825 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 94,775 |
| Countries by a Single Clue #10 | 0 | - | 4.55 | 67,743 |
| Countries by a Single Clue #11 | 0 | - | 4.58 | 76,387 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 78,829 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,155 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,157 |
| Himalayan Countries | 0 | - | 4.95 | 136,710 |
| Andean Countries | 0 | - | 4.95 | 83,579 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,841 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,127 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,501 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,100 |
| Danube Countries | 0 | - | 4.97 | 71,478 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,286 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,888 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,267 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,256 |
| European Landlocked Countries | 0 | - | 4.99 | 146,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,845 |
| Countries with the Most Species | 0 | - | 4.99 | 102,294 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,978 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,351 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,532 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,199 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,846 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,221 |
| Countries in the Alps | 0 | - | 4.86 | 117,404 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,945 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,016 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,292 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,790 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,886 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,308 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,050 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,028 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,851 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,386 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,387 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,225 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,776 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,037 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,045 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,810 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,927 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,457 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,292 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,277 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,713 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,864 |
| Largest Countries By Category | 0 | - | 4.97 | 157,342 |
| Countries by Countries | 0 | - | 4.96 | 62,651 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,937 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,097 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,443 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,136 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,376 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,032 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,118 |
| Island Countries | 0 | - | 4.99 | 709,027 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,918 |
| Northernmost Countries | 0 | - | 4.99 | 359,632 |
| Countries of South America | 0 | - | 5.00 | 920,350 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,838 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,347 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,345 |
| "Land" Countries | 0 | - | 4.98 | 334,978 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,646 |
| Countries by a Single Clue #7 | 0 | - | 4.37 | 70,246 |
| Countries by a Single Clue #9 | 0 | - | 4.37 | 73,031 |
| Countries by a Single Word | 0 | - | 4.69 | 28,742 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,448 |
| Countries with Megacities | 0 | - | 4.99 | 249,336 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,302 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,643 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,623 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,620 |
| Countries by Official Language | 0 | - | 4.95 | 194,179 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,975 |
| Countries in their Native Language | 0 | - | 4.99 | 197,781 |
| Independence from Whom | 0 | - | 4.99 | 210,930 |
| Subdivisions by Country | 0 | - | 4.86 | 50,218 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,427 |
| Megadiverse Countries | 0 | - | 4.96 | 134,587 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,950 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,100 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,654 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,959 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,503 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,259 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,675 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,581 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,397 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,817 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,421 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,605 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,705 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,672 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,884 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,239 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,705 |
| World Map Quiz | 0 | - | 4.81 | 64,194 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,649 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,756 |
| Countries by Founding Story | 0 | - | 4.95 | 76,922 |
| Countries by Road Signs | 0 | - | 4.98 | 53,472 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,142 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,723 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,452 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,830 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,324 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,507 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,673 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,171 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,908 |
| Widest Countries East to West | 0 | - | 4.92 | 129,201 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,338 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,716 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,944 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,986 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,027 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,401 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,140 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,685 |
| Countries with Double Letters | 0 | - | 4.96 | 94,408 |
| Countries that End in N | 0 | - | 4.95 | 168,215 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 267,729 |
| Countries with Six Letters | 0 | - | 4.93 | 211,554 |
| Countries with W | 0 | - | 4.97 | 159,023 |
| Countries with Z | 0 | - | 4.98 | 289,083 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,227 |
| Countries That End in U | 0 | - | 4.95 | 120,091 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,293 |
| Countries that End in O | 0 | - | 4.92 | 158,971 |
| Countries that End in R | 0 | - | 4.87 | 118,566 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,359 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,884 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,824 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,877 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,462 |
| Countries That End in Y | 0 | - | 4.90 | 185,485 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,934 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,166 |
| Countries that End in I | 0 | - | 4.94 | 134,713 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,767 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,448 |
| Countries That End in NIA | 0 | - | 4.92 | 109,337 |
| Countries That End in BIA | 0 | - | 4.93 | 148,632 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,483 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,827 |
| Countries That End in RIA | 0 | - | 4.93 | 126,384 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,400 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,202 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,931 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,263 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,882 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,184 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,498 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,018 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,899 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,065 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,594 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,288 |
| Countries that End in L | 0 | - | 4.94 | 156,343 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,151 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,093 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,740 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,599 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,654 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,409 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,872 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,412 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,877 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,331 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,088 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,886 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,313 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,539 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,542 |
