| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,373 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,850 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,059 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 380,617 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,166,992 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 117,916 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 238,880 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 198,332 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 75,909 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 69,327 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.90 | 58,613 |
| Sahara Desert Countries | 0 | - | 4.97 | 144,624 |
| Himalayan Countries | 0 | - | 4.95 | 121,381 |
| Andean Countries | 0 | - | 4.92 | 68,188 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,281 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,406 |
| Coffee Producing Countries | 0 | - | 4.82 | 59,489 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 58,928 |
| Danube Countries | 0 | - | 4.97 | 60,627 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,528 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,673 |
| Countries with the Best Passports | 0 | - | 4.81 | 79,975 |
| Countries with the Worst Passports | 0 | - | 4.92 | 63,971 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,383 |
| European Landlocked Countries | 0 | - | 4.99 | 140,798 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,700 |
| Countries with the Most Species | 0 | - | 4.99 | 92,194 |
| Countries 197 to 205 | 0 | - | 4.88 | 63,128 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,610 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,704 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,389 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,024 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,804 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,442 |
| Countries in the Alps | 0 | - | 4.86 | 110,105 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,472 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,327 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,223 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,332 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,363 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,751 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,764 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,655 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,841 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,599 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,584 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,124 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,979 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,966 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,662 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,321 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,489 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,657 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,569 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,033 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,246 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,950 |
| Largest Countries By Category | 0 | - | 4.97 | 151,024 |
| Countries by Countries | 0 | - | 4.96 | 58,264 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,394,447 |
| Country Flags with the Most White | 0 | - | 4.87 | 131,777 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,575 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,256 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,674 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,460,118 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 40,266 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,480 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,360 |
| Island Countries Quiz | 0 | - | 4.99 | 689,634 |
| Biggest Countries by Area | 0 | - | 5.00 | 987,373 |
| Northernmost Countries | 0 | - | 4.99 | 341,934 |
| Countries of South America | 0 | - | 5.00 | 859,565 |
| Countries of Oceania | 0 | - | 5.00 | 971,876 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,724,098 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 88,254 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,250,582 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,144 |
| Countries with Megacities | 0 | - | 4.99 | 217,256 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,219 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,985 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,232 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,888 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,131 |
| Countries by Official Language | 0 | - | 4.95 | 183,630 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,435 |
| Countries in their Native Language | 0 | - | 4.98 | 188,461 |
| Independence from Whom | 0 | - | 4.99 | 199,435 |
| Subdivisions by Country | 0 | - | 4.86 | 48,459 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,430 |
| Megadiverse Countries | 0 | - | 4.96 | 130,326 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,735 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 113,516 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,277 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,127 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,368 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 86,186 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 148,869 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,191 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 66,866 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,768 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,088 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,453 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,693 |
| World Map Quiz | 0 | - | 4.88 | 57,380 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 134,190 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,546 |
| Countries by Founding Story | 0 | - | 4.94 | 72,698 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,050 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,374 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,264 |
| Countries With the Most Languages | 0 | - | 4.89 | 188,641 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,337 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,301 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,332 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,201 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,417 |
| Widest Countries East to West | 0 | - | 4.92 | 124,536 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,145 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,927 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,366 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,126 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,198 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,153 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,965 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,494 |
| Countries with Double Letters | 0 | - | 4.96 | 81,599 |
| Countries that End in N | 0 | - | 4.93 | 145,511 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 245,364 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,003 |
| Countries with W | 0 | - | 4.97 | 132,909 |
| Countries with Z | 0 | - | 4.98 | 275,262 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,127 |
| Countries That End in U | 0 | - | 4.95 | 113,922 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 99,889 |
| Countries that End in O | 0 | - | 4.91 | 154,130 |
| Countries that End in R | 0 | - | 4.83 | 99,783 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,791 |
| Countries Ending in "IA" | 0 | - | 4.99 | 197,781 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,109 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,711 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,435 |
| Countries That End in Y | 0 | - | 4.91 | 182,001 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,021 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,289 |
| Countries that End in I | 0 | - | 4.92 | 117,346 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,162 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,096 |
| Countries That End in NIA | 0 | - | 4.92 | 105,011 |
| Countries That End in BIA | 0 | - | 4.91 | 142,600 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,107 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,611 |
| Countries That End in RIA | 0 | - | 4.90 | 105,352 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,738 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 214,937 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,040 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 118,860 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,697 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,475 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,563 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,820 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,161 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,672 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 47,549 |
| Countries that End in L | 0 | - | 4.94 | 151,651 |
| "Land" Countries | 0 | - | 4.98 | 299,421 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,356 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,889 |
| City to Country Quiz #1 | 0 | - | 4.96 | 148,986 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,490 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,474 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 218,928 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 192,192 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 121,963 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 140,712 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 215,686 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.97 | 146,777 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,668 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.82 | 105,923 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,820 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,699 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,379,024 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 364,180 |
| One Border Countries | 0 | - | 4.98 | 444,207 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,623,777 |
| Countries Closest to the Equator A-Z | 0 | - | 4.55 | 37,371 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 81,642 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 256,962 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,688 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,516 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,889 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,806 |
| Nearest Capital City #1 | 0 | - | 4.83 | 54,797 |
| World Capitals by Proximity | 0 | - | 4.89 | 313,794 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 51,350 |
| Countries by National Anthem | 0 | - | 4.92 | 69,834 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,233 |
| EU Countries Quiz | 0 | - | 4.99 | 254,041 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 152,027 |
| French-Speaking Countries | 0 | - | 4.85 | 256,922 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,457 |
