| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,037 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,463 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,232 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,226 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,589 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,469 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,450 |
| Countries with Four Letters | 0 | - | 4.99 | 419,147 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,112 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,417 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,005,063 |
| Landlocked Countries | 0 | - | 4.99 | 414,675 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,510 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,025 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,531 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,652 |
| Country Chain | 0 | - | 4.96 | 215,943 |
| Countries by Emojis | 0 | - | 4.99 | 237,009 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,223 |
| Islands by Country #1 | 0 | - | 4.87 | 174,596 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,009 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,355 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,394 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,355 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,220 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,161 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,354 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,850 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,214 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,172 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,716 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,028 |
| Himalayan Countries | 0 | - | 4.95 | 135,727 |
| Andean Countries | 0 | - | 4.94 | 83,039 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,387 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,460 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,084 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,747 |
| Danube Countries | 0 | - | 4.97 | 71,188 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,912 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,646 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,721 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,622 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,379 |
| Countries with the Most Species | 0 | - | 4.99 | 95,303 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,545 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,409 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,598 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,539 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,662 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,029 |
| Countries in the Alps | 0 | - | 4.86 | 116,995 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,687 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,466 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,113 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,515 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,304 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,707 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,846 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,609 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,106 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,550 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,831 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,307 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,742 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,442 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,957 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,888 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,013 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,410 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,940 |
| Largest Countries By Category | 0 | - | 4.97 | 156,919 |
| Countries by Countries | 0 | - | 4.96 | 62,375 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,887 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,749 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,929 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,137 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,621 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,558 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,657 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,361 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,867 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,667 |
| Random Countries by Borders | 0 | - | 4.99 | 81,767 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,466 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,256 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,505 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,381 |
| Island Countries | 0 | - | 4.99 | 708,035 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,229 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,889 |
| Northernmost Countries | 0 | - | 4.99 | 358,310 |
| Countries of South America | 0 | - | 5.00 | 916,683 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,727 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,009 |
| "Land" Countries | 0 | - | 4.98 | 333,927 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,384 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,882 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,352 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,031 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,665 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,992 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,025 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,347 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,360 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,172 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,826 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,884 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,084 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,721 |
| Countries with Megacities | 0 | - | 4.99 | 247,794 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,580 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,245 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,968 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,192 |
| Countries by Official Language | 0 | - | 4.95 | 192,991 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,444 |
| Countries in their Native Language | 0 | - | 4.99 | 196,852 |
| Independence from Whom | 0 | - | 4.99 | 209,963 |
| Subdivisions by Country | 0 | - | 4.86 | 50,116 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,938 |
| Megadiverse Countries | 0 | - | 4.97 | 133,985 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,016 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,971 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,483 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,889 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,792 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,076 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,222 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,255 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,268 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,768 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,771 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,469 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,569 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,559 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,410 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,751 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,081 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,911 |
| World Map Quiz | 0 | - | 4.81 | 63,690 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,273 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,455 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,621 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,398 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,134 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,111 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,035 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,224 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,422 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,026 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,466 |
| Widest Countries East to West | 0 | - | 4.92 | 128,960 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,261 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,370 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,617 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,792 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,730 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,162 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,593 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,627 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,285 |
| Countries with Double Letters | 0 | - | 4.97 | 93,586 |
| Countries that End in N | 0 | - | 4.94 | 157,069 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,907 |
| Countries with Six Letters | 0 | - | 4.93 | 210,576 |
| Countries with W | 0 | - | 4.97 | 158,361 |
| Countries with Z | 0 | - | 4.98 | 288,106 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,687 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,785 |
| Countries that End in O | 0 | - | 4.92 | 158,617 |
| Countries that End in R | 0 | - | 4.87 | 118,340 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,908 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,309 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,473 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,594 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,139 |
| Countries That End in Y | 0 | - | 4.90 | 185,260 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,533 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,829 |
| Countries that End in I | 0 | - | 4.94 | 134,506 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,367 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,262 |
| Countries That End in NIA | 0 | - | 4.92 | 109,080 |
| Countries That End in BIA | 0 | - | 4.92 | 147,806 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,189 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,590 |
| Countries That End in RIA | 0 | - | 4.93 | 126,159 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,124 |