| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,037 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,281,033 |
| Landlocked Countries | 0 | - | 4.99 | 418,155 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,532 |
| Countries by Emojis | 0 | - | 4.99 | 238,399 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,591 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,077 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,571 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,302 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,598 |
| Himalayan Countries | 0 | - | 4.94 | 137,090 |
| Andean Countries | 0 | - | 4.95 | 83,760 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,005 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,382 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,680 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,248 |
| Danube Countries | 0 | - | 4.97 | 71,577 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,433 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,983 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,506 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,563 |
| European Landlocked Countries | 0 | - | 4.99 | 146,684 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,014 |
| Countries with the Most Species | 0 | - | 4.99 | 102,784 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,153 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,396 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,256 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,928 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,306 |
| Countries in the Alps | 0 | - | 4.87 | 117,576 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,049 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,224 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,365 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,903 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,016 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,392 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,179 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,124 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,925 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,488 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,441 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,866 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,128 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,152 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,023 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,005 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,979 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,866 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,526 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,420 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,952 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,050 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,936 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,584 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,249 |
| Largest Countries By Category | 0 | - | 4.97 | 157,521 |
| Countries by Countries | 0 | - | 4.96 | 62,768 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,255 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,931 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,150 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,435 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,408 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,024 |
| Countries that Start with D | 0 | - | 4.96 | 706,815 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,875 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,503 |
| Countries that Start with H | 0 | - | 4.96 | 602,343 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,411 |
| Countries that Start with J | 0 | - | 4.98 | 600,297 |
| Countries that Start with K | 0 | - | 4.97 | 813,405 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,179 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,111 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,593 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,367 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,948 |
| Countries that Start with U | 0 | - | 4.97 | 902,904 |
| Countries that Start with V | 0 | - | 4.98 | 608,020 |
| Countries that Start with F | 0 | - | 4.83 | 615,802 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,780 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,292 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,390 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,716 |
| Island Countries | 0 | - | 4.99 | 709,423 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,000 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,213 |
| Northernmost Countries | 0 | - | 4.99 | 360,137 |
| Countries of South America | 0 | - | 5.00 | 921,968 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,829 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,046 |
| "Land" Countries | 0 | - | 4.98 | 335,612 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,332 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,642 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,241 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,456 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,751 |
| Countries with Megacities | 0 | - | 4.99 | 249,924 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,597 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,832 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,910 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,820 |
| Countries by Official Language | 0 | - | 4.95 | 194,493 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,337 |
| Countries in their Native Language | 0 | - | 4.99 | 198,060 |
| Independence from Whom | 0 | - | 4.99 | 211,166 |
| Subdivisions by Country | 0 | - | 4.86 | 50,259 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,589 |
| Megadiverse Countries | 0 | - | 4.96 | 134,718 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,180 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,151 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,710 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,995 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,630 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,328 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,863 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,783 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,453 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,946 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,746 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,670 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,920 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,742 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,080 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,282 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,954 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,353 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,851 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,566 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,119 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,445 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,622 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,766 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,222 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,224 |
| Widest Countries East to West | 0 | - | 4.92 | 129,300 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,369 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,867 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,974 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,462 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,137 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,481 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,207 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,713 |
| Countries with Double Letters | 0 | - | 4.97 | 94,955 |
| Countries that End in N | 0 | - | 4.95 | 169,647 |
| Countries with Five Letters | 0 | - | 4.96 | 278,992 |
| Countries with Six Letters | 0 | - | 4.94 | 212,307 |
| Countries with W | 0 | - | 4.97 | 159,413 |
| Countries with Z | 0 | - | 4.98 | 289,640 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,626 |
| Countries That End in U | 0 | - | 4.95 | 120,360 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,647 |
| Countries that End in O | 0 | - | 4.92 | 159,150 |
| Countries that End in R | 0 | - | 4.87 | 118,690 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,472 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,197 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,030 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,034 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,613 |
| Countries That End in Y | 0 | - | 4.90 | 185,607 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,129 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,336 |
| Countries that End in I | 0 | - | 4.94 | 134,827 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,977 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,538 |
| Countries That End in NIA | 0 | - | 4.92 | 109,461 |
| Countries That End in BIA | 0 | - | 4.93 | 148,780 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,635 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,992 |
| Countries That End in RIA | 0 | - | 4.93 | 126,470 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,566 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,506 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,123 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,462 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,024 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,274 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,618 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,169 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,162 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,448 |
| Countries that End in L | 0 | - | 4.94 | 156,490 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,720 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,143 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,800 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,672 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,725 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,629 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,048 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,542 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,019 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,498 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,502 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,924 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,341 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,575 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,612 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,819,923 |
| One Border Countries | 0 | - | 4.98 | 467,292 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,611,627 |
