| "Land" Countries | 0 | - | 4.98 | 334,295 |
| Countries with Double Letters | 0 | - | 4.96 | 93,828 |
| Countries that End in N | 0 | - | 4.94 | 157,263 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,227 |
| Countries with Six Letters | 0 | - | 4.93 | 210,855 |
| Countries with W | 0 | - | 4.97 | 158,521 |
| Countries with Z | 0 | - | 4.98 | 288,414 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,862 |
| Countries That End in U | 0 | - | 4.95 | 119,668 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,020 |
| Countries that End in O | 0 | - | 4.92 | 158,699 |
| Countries that End in R | 0 | - | 4.87 | 118,417 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,971 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,585 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,647 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,730 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,299 |
| Countries That End in Y | 0 | - | 4.90 | 185,327 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,746 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,007 |
| Countries that End in I | 0 | - | 4.94 | 134,599 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,606 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,368 |
| Countries That End in NIA | 0 | - | 4.92 | 109,230 |
| Countries That End in BIA | 0 | - | 4.93 | 148,466 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,353 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,708 |
| Countries That End in RIA | 0 | - | 4.93 | 126,269 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,258 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,933 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,778 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,137 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,681 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,082 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,370 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,888 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,773 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,948 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,444 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,106 |
| Countries that End in L | 0 | - | 4.94 | 156,214 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,599 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,039 |
| Landlocked Countries | 0 | - | 4.99 | 416,106 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,121,733 |
| Countries with Four Letters | 0 | - | 4.99 | 420,022 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,659 |
| Himalayan Countries | 0 | - | 4.95 | 136,270 |
| Andean Countries | 0 | - | 4.95 | 83,349 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,619 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,832 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,319 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,934 |
| Danube Countries | 0 | - | 4.97 | 71,339 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,124 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,797 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,033 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,988 |
| European Landlocked Countries | 0 | - | 4.99 | 146,056 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,669 |
| Countries with the Most Species | 0 | - | 4.99 | 98,481 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,813 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,307 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,481 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,122 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,764 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,138 |
| Countries in the Alps | 0 | - | 4.86 | 117,263 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,851 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,769 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,215 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,673 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,616 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,210 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,920 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,957 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,756 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,287 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,331 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,184 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,944 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,950 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,613 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,858 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,392 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,137 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,702 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,445 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,784 |
| Largest Countries By Category | 0 | - | 4.97 | 157,183 |
| Countries by Countries | 0 | - | 4.96 | 62,541 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,806 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,063 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,400 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,356 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,037 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,736,914 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,245 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,780 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,435 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,564 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,350 |
| Island Countries | 0 | - | 4.99 | 708,633 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,713 |
| Northernmost Countries | 0 | - | 4.99 | 359,103 |
| Countries of South America | 0 | - | 5.00 | 918,969 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,725 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,914 |
| Countries with J | 0 | - | 4.54 | 184,548 |
| Countries by Consonants | 0 | - | 4.42 | 78,359 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,118 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,138 |
| Countries with Megacities | 0 | - | 4.99 | 248,658 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,998 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,471 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,381 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,419 |
| Countries by Official Language | 0 | - | 4.95 | 193,816 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,309 |
| Countries in their Native Language | 0 | - | 4.99 | 197,475 |
| Independence from Whom | 0 | - | 4.99 | 210,418 |
| Subdivisions by Country | 0 | - | 4.86 | 50,175 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,228 |
| Megadiverse Countries | 0 | - | 4.96 | 134,501 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,677 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,058 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,602 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,937 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,221 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,181 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,485 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,508 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,339 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,796 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,089 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,558 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,655 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,625 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,829 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,173 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,380 |
| World Map Quiz | 0 | - | 4.81 | 63,959 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,092 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,653 |
| Countries by Founding Story | 0 | - | 4.95 | 76,818 |
| Countries by Road Signs | 0 | - | 4.98 | 53,356 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,961 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,612 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,333 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,557 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,202 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,395 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,575 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,119 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,602 |
| Widest Countries East to West | 0 | - | 4.92 | 129,098 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,310 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,587 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,813 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,921 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,929 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,311 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,992 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,685 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,518 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,583 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,205 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,743 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,164 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,764 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,181 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,004 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,856 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,274 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,492 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,476 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,164 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,650 |
| One Border Countries | 0 | - | 4.98 | 466,156 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,153 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,997 |
| Most Similar Country Names | 0 | - | 4.16 | 46,367 |
| Longest Country Name A-Z | 0 | - | 4.33 | 41,900 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,811,341 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,601,549 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,237 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,787 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,259 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,045 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,045 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,596 |
| Countries by National Anthem | 0 | - | 4.92 | 71,100 |
| NATO Countries | 0 | - | 4.98 | 277,732 |
| EU Countries Quiz | 0 | - | 4.99 | 271,329 |
| Recently Independent Countries | 0 | - | 4.98 | 158,315 |
| French-Speaking Countries | 0 | - | 4.85 | 269,615 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,474 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,781 |
