| Five Closest Countries by Country #1 | 0 | - | 5.00 | 246,073 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 203,365 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 80,231 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 73,396 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,737 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,126 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,182 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,334 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,556,801 |
| Landlocked Countries | 0 | - | 4.99 | 421,641 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,268 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,302 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,284 |
| Himalayan Countries | 0 | - | 4.95 | 138,576 |
| Andean Countries | 0 | - | 4.93 | 84,522 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,709 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,710 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,342 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,738 |
| Danube Countries | 0 | - | 4.97 | 71,966 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,967 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,383 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,230 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,712 |
| European Landlocked Countries | 0 | - | 4.99 | 147,090 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,569 |
| Countries with the Most Species | 0 | - | 4.99 | 103,200 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,704 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,570 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,706 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,517 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,198 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,621 |
| Countries in the Alps | 0 | - | 4.87 | 118,153 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,883 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,979 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,621 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,457 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,923 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,461 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,157 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,633 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,494 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,187 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,435 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,486 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,823 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,284 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,223 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,011 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,754 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,000 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,194 |
| Largest Countries By Category | 0 | - | 4.97 | 158,154 |
| Countries by Countries | 0 | - | 4.96 | 63,161 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,638 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,940 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,476 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,961 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,641 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,303 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,420 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,991 |
| Island Countries | 0 | - | 4.99 | 710,915 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,436 |
| Northernmost Countries | 0 | - | 4.99 | 361,802 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 61,934 |
| Countries of South America | 0 | - | 5.00 | 926,848 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,273 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,258 |
| "Land" Countries | 0 | - | 4.98 | 337,235 |
| Countries With the Most Neighbors | 0 | - | 4.46 | 102,321 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,838 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,795 |
| Countries with Megacities | 0 | - | 4.99 | 264,365 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,658 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,420 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,925 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,488 |
| Countries by Official Language | 0 | - | 4.95 | 195,191 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,276 |
| Countries in their Native Language | 0 | - | 4.99 | 198,980 |
| Independence from Whom | 0 | - | 4.99 | 212,009 |
| Subdivisions by Country | 0 | - | 4.86 | 50,418 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,670 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,024 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,332 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,213 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,076 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,576 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,415 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,006 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,629 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,621 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,855 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,946 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,473 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,088 |
| World Map Quiz | 0 | - | 4.81 | 65,038 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,108 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,321 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,089 |
| Countries by Founding Story | 0 | - | 4.95 | 77,339 |
| Countries by Road Signs | 0 | - | 4.98 | 53,987 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,014 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,238 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,959 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,110 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,849 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,980 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,268 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,420 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,549 |
| Widest Countries East to West | 0 | - | 4.92 | 129,616 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,441 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,340 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,108 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,748 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,556 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,830 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,363 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,794 |
| Countries with Double Letters | 0 | - | 4.96 | 96,146 |
| Countries that End in N | 0 | - | 4.95 | 171,032 |
| Countries with Five Letters | 0 | - | 4.96 | 282,269 |
| Countries with Six Letters | 0 | - | 4.94 | 213,460 |
| Countries with W | 0 | - | 4.97 | 160,263 |
| Countries with Z | 0 | - | 4.98 | 291,345 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,625 |
| Countries That End in U | 0 | - | 4.95 | 120,814 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,386 |
| Countries that End in O | 0 | - | 4.92 | 159,485 |
| Countries that End in R | 0 | - | 4.87 | 118,946 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,703 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,001 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,640 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,436 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,354 |
| Countries That End in Y | 0 | - | 4.91 | 185,854 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,848 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,811 |
| Countries that End in I | 0 | - | 4.94 | 135,063 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,022 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,793 |
| Countries That End in NIA | 0 | - | 4.92 | 109,751 |
| Countries That End in BIA | 0 | - | 4.93 | 149,158 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,060 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,391 |
| Countries That End in RIA | 0 | - | 4.93 | 126,781 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,979 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,505 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,649 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,050 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,609 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,553 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,986 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,432 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,487 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,394 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,241 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,938 |
| Countries that End in L | 0 | - | 4.94 | 156,797 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,551 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,253 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,996 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,917 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,967 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,676 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,606 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,943 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,497 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,384 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,833 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,078 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,695 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,849 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,636 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,841 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,940 |
| One Border Countries | 0 | - | 4.98 | 469,683 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,833,492 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,630,428 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,447 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,867 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,113 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,092 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,527 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,694 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,193 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,734 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,348 |
| Countries by National Anthem | 0 | - | 4.93 | 71,282 |
| NATO Countries | 0 | - | 4.98 | 281,323 |
