| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,568 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,654 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,122,497 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,211 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,104 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,344 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,621 |
| Countries with Four Letters | 0 | - | 4.99 | 425,702 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,978 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,871 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,862,378 |
| Landlocked Countries | 0 | - | 4.99 | 425,580 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,723 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,968 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,947 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,351 |
| Country Chain | 0 | - | 4.96 | 218,409 |
| Countries by Emojis | 0 | - | 4.99 | 242,302 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,560 |
| Islands by Country #1 | 0 | - | 4.90 | 176,309 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,206 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,531 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,372 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,123 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,948 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,145 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,084 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,099 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,961 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,014 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,137 |
| Himalayan Countries | 0 | - | 4.93 | 140,146 |
| Andean Countries | 0 | - | 4.94 | 85,383 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,529 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,921 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,102 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,381 |
| Danube Countries | 0 | - | 4.97 | 72,351 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,551 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,802 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,061 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,556 |
| European Landlocked Countries | 0 | - | 4.99 | 147,582 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,258 |
| Countries with the Most Species | 0 | - | 4.99 | 103,545 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,369 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,765 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,872 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,707 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,694 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,822 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,559 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,987 |
| Countries in the Alps | 0 | - | 4.87 | 118,740 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,563 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,810 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,945 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,001 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,918 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,230 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,368 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,833 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,405 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,154 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,852 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,730 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,537 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,765 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,865 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,774 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,591 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,643 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,768 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,636 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,586 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,086 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,489 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,076 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,898 |
| Largest Countries By Category | 0 | - | 4.97 | 158,820 |
| Countries by Countries | 0 | - | 4.96 | 63,619 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,424 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,652 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,392 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,127 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,069 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,685 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,220 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,002 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,389 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,083 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,517 |
| Random Countries by Borders | 0 | - | 4.99 | 83,071 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,583 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,242 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,622 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,574 |
| Island Countries | 0 | - | 4.99 | 712,477 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,134 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,472 |
| Northernmost Countries | 0 | - | 4.99 | 363,887 |
| Countries of South America | 0 | - | 5.00 | 932,343 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,965 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,487 |
| "Land" Countries | 0 | - | 4.98 | 338,336 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,728 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,924 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,726 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,247 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,576 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,076 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,546 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,806 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,970 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,948 |
| Syria Country Quiz | 0 | - | 4.81 | 33,043 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,615 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,997 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,926 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,708 |
| Palau Country Quiz | 0 | - | 4.89 | 23,141 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,510 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,170 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,451 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,423 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,656 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,728 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,359 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,092 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,817 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,409 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,092 |
| Countries with Megacities | 0 | - | 4.99 | 266,999 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,801 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,100 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,111 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,214 |
| Countries by Official Language | 0 | - | 4.95 | 195,959 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,579 |
| Countries in their Native Language | 0 | - | 4.99 | 199,701 |
| Independence from Whom | 0 | - | 4.99 | 213,014 |
| Subdivisions by Country | 0 | - | 4.87 | 50,605 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,405 |
| Megadiverse Countries | 0 | - | 4.96 | 135,266 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,916 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,530 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,615 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,223 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,801 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,835 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,091 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,561 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,996 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,250 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,490 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,364 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,437 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,138 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,567 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,810 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,300 |
| World Map Quiz | 0 | - | 4.81 | 65,683 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,145 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,697 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,213 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,052 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,539 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,518 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,412 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,510 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,706 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,680 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,658 |
| Widest Countries East to West | 0 | - | 4.92 | 130,434 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,592 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,234 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,512 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,053 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,954 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,465 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,492 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,888 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,886 |
| Countries with Double Letters | 0 | - | 4.96 | 97,030 |
| Countries that End in N | 0 | - | 4.95 | 171,891 |
| Countries with Five Letters | 0 | - | 4.96 | 283,702 |
| Countries with Six Letters | 0 | - | 4.94 | 214,433 |
| Countries with W | 0 | - | 4.96 | 160,906 |
| Countries with Z | 0 | - | 4.98 | 292,395 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,262 |
| Countries That End in U | 0 | - | 4.95 | 121,174 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,073 |
| Countries that End in O | 0 | - | 4.92 | 160,196 |
| Countries that End in R | 0 | - | 4.87 | 119,173 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,924 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,802 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,127 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,809 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,736 |
| Countries That End in Y | 0 | - | 4.91 | 186,081 |