| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,402 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,358 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,638 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,321 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,119 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,463 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,539 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,232 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,528 |
| Random Countries by Borders | 0 | - | 4.99 | 81,773 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,472 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,142 |
| Random Country to Capital | 0 | - | 4.98 | 912,909 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,236 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,604 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,480 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,453 |
| Countries with Four Letters | 0 | - | 4.99 | 419,154 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,422 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,984 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,007,083 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,655 |
| Landlocked Countries | 0 | - | 4.99 | 414,703 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,659 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,527 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,053 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,536 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,656 |
| Country Chain | 0 | - | 4.96 | 215,950 |
| Countries by Emojis | 0 | - | 4.99 | 237,020 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,227 |
| Islands by Country #1 | 0 | - | 4.87 | 174,599 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,015 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,357 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,396 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,609 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,172 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,385 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,858 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,225 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,180 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,722 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,792 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,310 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,449 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,043 |
| Himalayan Countries | 0 | - | 4.95 | 135,734 |
| Andean Countries | 0 | - | 4.94 | 83,043 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,388 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,468 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,087 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,751 |
| Danube Countries | 0 | - | 4.97 | 71,191 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,917 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,647 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,729 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,631 |
| European Landlocked Countries | 0 | - | 4.99 | 145,886 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,390 |
| Countries with the Most Species | 0 | - | 4.99 | 95,307 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,549 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,241 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,409 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,600 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,543 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,663 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,031 |
| Countries in the Alps | 0 | - | 4.86 | 117,004 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,690 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,470 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,116 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,307 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,709 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,847 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,615 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,162 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,237 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,106 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,555 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,838 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,837 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,318 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,743 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,444 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,319 |
| 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 | 239,894 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,037 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,411 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,941 |
| Largest Countries By Category | 0 | - | 4.97 | 156,926 |
| Countries by Countries | 0 | - | 4.96 | 62,379 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,892 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,753 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,938 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,143 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,629 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,562 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,662 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,002 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,361 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,296 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,219 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,590 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,870 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,669 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,171 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,282 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,515 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,401 |
| Island Countries | 0 | - | 4.99 | 708,045 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,286 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,926 |
| Northernmost Countries | 0 | - | 4.99 | 358,335 |
| Countries of South America | 0 | - | 5.00 | 916,721 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,796 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,113 |
| "Land" Countries | 0 | - | 4.98 | 333,932 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,755 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,905 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,925 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,099 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,726 |
| Countries with Megacities | 0 | - | 4.99 | 247,806 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,593 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,249 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,975 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,196 |
| Countries by Official Language | 0 | - | 4.95 | 193,001 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,453 |
| Countries in their Native Language | 0 | - | 4.99 | 196,857 |
| Independence from Whom | 0 | - | 4.99 | 209,977 |
| Subdivisions by Country | 0 | - | 4.86 | 50,116 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,945 |
| Megadiverse Countries | 0 | - | 4.97 | 133,994 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,022 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,971 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,485 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,889 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,795 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,076 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,233 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,273 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,268 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,771 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,773 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,472 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,572 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,560 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,412 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,754 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,084 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,917 |
| World Map Quiz | 0 | - | 4.81 | 63,693 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,283 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,460 |
| Countries by Founding Story | 0 | - | 4.95 | 76,643 |
| Countries by Road Signs | 0 | - | 4.98 | 53,221 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,632 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,410 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,142 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,126 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,038 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,229 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,427 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,029 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,470 |
| Widest Countries East to West | 0 | - | 4.92 | 128,962 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,263 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,377 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,618 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,795 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,738 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,166 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,748 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,628 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,294 |
| Countries with Double Letters | 0 | - | 4.97 | 93,594 |
| Countries that End in N | 0 | - | 4.94 | 157,071 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,912 |
| Countries with Six Letters | 0 | - | 4.93 | 210,586 |
| Countries with W | 0 | - | 4.97 | 158,362 |
| Countries with Z | 0 | - | 4.98 | 288,114 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,692 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,790 |
| Countries that End in O | 0 | - | 4.92 | 158,619 |
| Countries that End in R | 0 | - | 4.87 | 118,340 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,909 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,313 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,479 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,599 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,143 |
| Countries That End in Y | 0 | - | 4.90 | 185,261 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,539 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,831 |
