| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,954 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,929 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,589,644 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,829 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,697 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,632 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,927 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,951 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,470 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,811 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,268 |
| Random Countries by Borders | 0 | - | 4.99 | 81,708 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,313 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,339 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,844 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,356 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,763 |
| Random Country to Capital | 0 | - | 4.98 | 912,083 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,929 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,753 |
| Countries with Four Letters | 0 | - | 4.99 | 418,735 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,208 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,308 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,230 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,305 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,276 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,949,196 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,488 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,205 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,023 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,399 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,507 |
| Country Chain | 0 | - | 4.96 | 215,811 |
| Countries by Emojis | 0 | - | 4.99 | 236,413 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,157 |
| Islands by Country #1 | 0 | - | 4.87 | 174,534 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,956 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,311 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,357 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,926 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,784 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,526 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,721 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,903 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,499 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,576 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,110 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,562 |
| Landlocked Countries | 0 | - | 4.99 | 413,924 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,497 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,486 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,388 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,366 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,882 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,397 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,743 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,657 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,694 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,946 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,458 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,526 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,241 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,360 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,622 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,841 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,097 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,506 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,045 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,233 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,037 |
| Island Countries | 0 | - | 4.99 | 707,749 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,728 |
| Himalayan Countries | 0 | - | 4.95 | 135,480 |
| Andean Countries | 0 | - | 4.94 | 82,878 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,266 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,281 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,962 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,649 |
| Danube Countries | 0 | - | 4.97 | 71,109 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,807 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,569 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,556 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,462 |
| European Landlocked Countries | 0 | - | 4.99 | 145,792 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,254 |
| Countries with the Most Species | 0 | - | 4.99 | 95,259 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,398 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,208 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,381 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,974 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,596 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,976 |
| Countries in the Alps | 0 | - | 4.86 | 116,881 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,601 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,320 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,036 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,449 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,214 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,037 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,613 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,782 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,419 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,205 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,058 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,475 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,784 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,776 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,142 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,683 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,276 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,818 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,486 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,781 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,621 |
| Largest Countries By Category | 0 | - | 4.97 | 156,820 |
| Countries by Countries | 0 | - | 4.96 | 62,292 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,266 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,451 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,976 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,025 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,343 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,802 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,146 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,800 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,950 |
| Northernmost Countries | 0 | - | 4.99 | 357,921 |
| Countries of South America | 0 | - | 5.00 | 915,376 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,278 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,666 |
| "Land" Countries | 0 | - | 4.98 | 333,734 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,698 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,808 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,482 |
| Countries with Megacities | 0 | - | 4.99 | 247,324 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,320 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,111 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,745 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,039 |
| Countries by Official Language | 0 | - | 4.95 | 192,843 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,216 |
| Countries in their Native Language | 0 | - | 4.99 | 196,707 |
| Independence from Whom | 0 | - | 4.99 | 209,789 |
| Subdivisions by Country | 0 | - | 4.86 | 50,084 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,824 |
| Megadiverse Countries | 0 | - | 4.97 | 133,930 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,873 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,934 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,441 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,868 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,711 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,028 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,105 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,177 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,230 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,655 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,442 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,517 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,520 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,372 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,707 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,040 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,674 |
| World Map Quiz | 0 | - | 4.81 | 63,549 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,876 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,445 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,365 |
| Countries by Founding Story | 0 | - | 4.95 | 76,579 |
| Countries by Road Signs | 0 | - | 4.98 | 53,135 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,428 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,066 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,986 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,865 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,904 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,099 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,307 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,961 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,362 |
| Widest Countries East to West | 0 | - | 4.92 | 128,637 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,220 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,271 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,588 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,717 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,665 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,088 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,057 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,594 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,112 |
| Countries with Double Letters | 0 | - | 4.96 | 93,445 |
| Countries that End in N | 0 | - | 4.94 | 156,951 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,762 |
| Countries with Six Letters | 0 | - | 4.93 | 210,423 |
| Countries with W | 0 | - | 4.97 | 158,274 |
| Countries with Z | 0 | - | 4.98 | 287,953 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,598 |
| Countries That End in U | 0 | - | 4.95 | 119,540 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,644 |
| Countries that End in O | 0 | - | 4.92 | 158,578 |
| Countries that End in R | 0 | - | 4.87 | 118,294 |
