| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,148 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,987 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,962 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,215 |
| World Map Quiz | 0 | - | 4.81 | 64,261 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,837 |
| Random Country to Capital | 0 | - | 4.98 | 916,358 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,095,999 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,231,996 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,614 |
| Countries by Emojis | 0 | - | 4.99 | 238,158 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,540 |
| Landlocked Countries | 0 | - | 4.99 | 417,484 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,365 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,540 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,914 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,816 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,551 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,192 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,319 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,979 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,898 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,963 |
| Random Countries by Borders | 0 | - | 4.99 | 82,130 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,774 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,201 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,364 |
| Island Countries | 0 | - | 4.99 | 709,193 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,317 |
| Himalayan Countries | 0 | - | 4.95 | 136,833 |
| Andean Countries | 0 | - | 4.95 | 83,645 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,896 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,221 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,567 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,162 |
| Danube Countries | 0 | - | 4.97 | 71,511 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,343 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,925 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,360 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,395 |
| European Landlocked Countries | 0 | - | 4.99 | 146,223 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,918 |
| Countries with the Most Species | 0 | - | 4.99 | 102,538 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,045 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,368 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,542 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,214 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,874 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,260 |
| Countries in the Alps | 0 | - | 4.86 | 117,467 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,990 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,088 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,326 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,832 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,928 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,343 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,105 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,063 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,877 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,416 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,413 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,257 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,810 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,078 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,085 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,900 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,958 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,487 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,339 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,542 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,845 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,888 |
| Largest Countries By Category | 0 | - | 4.97 | 157,403 |
| Countries by Countries | 0 | - | 4.96 | 62,699 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,602 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,993 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,114 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,183 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,473 |
| Northernmost Countries | 0 | - | 4.99 | 359,848 |
| Countries of South America | 0 | - | 5.00 | 920,931 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,690 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,860 |
| "Land" Countries | 0 | - | 4.98 | 335,352 |
| Europe Map Quiz | 0 | - | 5.00 | 4,749,910 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,226 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,753 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,122 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,792 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,050 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,085 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,235 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,870 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,804 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,295 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,597 |
| Name a Valid African Country | 0 | - | 4.98 | 153,565 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,298 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,202 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,568 |
| Countries with Megacities | 0 | - | 4.99 | 249,558 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,411 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,720 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,757 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,685 |
| Countries by Official Language | 0 | - | 4.95 | 194,351 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,165 |
| Countries in their Native Language | 0 | - | 4.99 | 197,926 |
| Independence from Whom | 0 | - | 4.99 | 211,032 |
| Subdivisions by Country | 0 | - | 4.86 | 50,237 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,491 |
| Megadiverse Countries | 0 | - | 4.96 | 134,656 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,070 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,124 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,681 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,971 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,542 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,286 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,747 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,671 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,424 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,825 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,551 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,633 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,733 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,695 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,912 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,257 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,816 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,854 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,098 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,844 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,234 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,775 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,502 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,966 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,380 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,558 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,712 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,192 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,183 |
| Widest Countries East to West | 0 | - | 4.92 | 129,247 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,347 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,775 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,958 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,316 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,071 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,437 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,170 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,699 |
| Countries with Double Letters | 0 | - | 4.97 | 94,727 |
| Countries that End in N | 0 | - | 4.95 | 169,061 |
| Countries with Five Letters | 0 | - | 4.96 | 275,783 |
| Countries with Six Letters | 0 | - | 4.94 | 212,019 |
| Countries with W | 0 | - | 4.97 | 159,248 |
| Countries with Z | 0 | - | 4.98 | 289,394 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,454 |
| Countries That End in U | 0 | - | 4.95 | 120,259 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,477 |
| Countries that End in O | 0 | - | 4.92 | 159,073 |
| Countries that End in R | 0 | - | 4.87 | 118,638 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,408 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,039 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,925 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,946 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,530 |
| Countries That End in Y | 0 | - | 4.90 | 185,550 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,021 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,243 |
| Countries that End in I | 0 | - | 4.94 | 134,759 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,850 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,482 |
| Countries That End in NIA | 0 | - | 4.92 | 109,401 |
| Countries That End in BIA | 0 | - | 4.93 | 148,686 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,554 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,907 |
| Countries That End in RIA | 0 | - | 4.93 | 126,424 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,491 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,331 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,010 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,342 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,959 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,232 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,562 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,089 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,974 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,116 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,357 |
| Countries that End in L | 0 | - | 4.94 | 156,419 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,428 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,124 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,765 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,632 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,687 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,486 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,929 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,468 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,918 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,390 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,117 |
