| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,599 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,046 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,617,494 |
| Countries That Border Russia | 0 | - | 4.98 | 461,343 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,629 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,099,411 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 449,706 |
| Countries with Four Letters | 0 | - | 4.99 | 421,847 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,134 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,194 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,283 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,468 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,559 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,310 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,045 |
| Countries that Border Poland | 0 | - | 4.99 | 172,138 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,329 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,989 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,311 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,114 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,479 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,332 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,372 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,369,613 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,015 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 177,795 |
| Country Chain | 0 | - | 4.96 | 216,918 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,592 |
| Countries by Emojis | 0 | - | 4.99 | 239,141 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,796 |
| Islands by Country #1 | 0 | - | 4.88 | 175,174 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,419 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,766 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,660 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,260 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,781 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,965 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,668 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,088 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,267 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,180 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,561 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,113 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,206 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,396 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,716 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,035 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,003 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,681 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,362 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,558 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,119 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,737 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,715 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,920 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,643 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,195 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,014 |
| European Countries with One Border | 0 | - | 4.97 | 182,600 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,419 |
| Random Countries by Borders | 0 | - | 4.99 | 82,330 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,822 |
| Landlocked Countries | 0 | - | 4.99 | 419,428 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 137,518 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,849 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,188 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,040 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,955 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,628 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,982 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,067 |
| Countries Bordering France | 0 | - | 4.83 | 402,123 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,784 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,365 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,408 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,729 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,370 |
| Island Countries | 0 | - | 4.99 | 709,976 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,194 |
| Himalayan Countries | 0 | - | 4.95 | 137,634 |
| Andean Countries | 0 | - | 4.95 | 84,043 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,295 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,788 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,908 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,407 |
| Danube Countries | 0 | - | 4.97 | 71,714 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,630 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,110 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,733 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,809 |
| European Landlocked Countries | 0 | - | 4.99 | 146,825 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,202 |
| Countries with the Most Species | 0 | - | 4.99 | 102,972 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,347 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,607 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,344 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,018 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,407 |
| Countries in the Alps | 0 | - | 4.87 | 117,765 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,193 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,470 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,452 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,050 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,157 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,751 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,344 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,239 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,999 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,598 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,511 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,361 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,967 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,233 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,253 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,280 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,093 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,596 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,615 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,586 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,353 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,024 |
| Largest Countries By Category | 0 | - | 4.97 | 157,731 |
| Countries by Countries | 0 | - | 4.96 | 62,890 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,824 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,275 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,480 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,375 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,815 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,578 |
| Northernmost Countries | 0 | - | 4.99 | 360,705 |
| Countries of South America | 0 | - | 5.00 | 923,610 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,977 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,098 |
| "Land" Countries | 0 | - | 4.98 | 335,912 |
| Countries Bordering India | 0 | - | 4.98 | 163,365 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,228 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,119 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,480 |
| Countries that Border China | 0 | - | 4.96 | 262,956 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,822 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,742 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,794 |
| Merged Countries #2 | 0 | - | 4.96 | 98,958 |
| Merged Countries #6 | 0 | - | 4.90 | 73,173 |
| Merged Countries #7 | 0 | - | 4.93 | 82,516 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,767 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,464 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,950 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,014 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,903 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,048 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,246 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,824,437 |
| One Border Countries | 0 | - | 4.98 | 467,956 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,142 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,582 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,160 |
| Countries with Megacities | 0 | - | 4.99 | 261,766 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,032 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,068 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,312 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,105 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,084 |
| Random Country to Capital | 0 | - | 4.98 | 919,106 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,575 |
| Countries by Official Language | 0 | - | 4.95 | 194,737 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,659 |
| Countries in their Native Language | 0 | - | 4.99 | 198,276 |
| Independence from Whom | 0 | - | 4.99 | 211,439 |
| Subdivisions by Country | 0 | - | 4.86 | 50,304 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,797 |
| Megadiverse Countries | 0 | - | 4.96 | 134,801 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,616 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,207 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,778 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,030 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,762 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,411 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,044 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,869 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,512 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,002 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,101 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,745 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,021 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,806 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,179 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,353 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,332 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,477 |
| World Map Quiz | 0 | - | 4.81 | 64,676 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,830 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,078 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,614 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,991 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,712 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,482 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,583 |
