| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,508 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,029 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,617,078 |
| Countries That Border Russia | 0 | - | 4.98 | 461,304 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,575 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,099,265 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 449,529 |
| Countries with Four Letters | 0 | - | 4.99 | 421,801 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,133 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,189 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,280 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,461 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,557 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,304 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,039 |
| Countries that Border Poland | 0 | - | 4.99 | 172,133 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,294 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,964 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,284 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,079 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,475 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,311 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,350 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,364,144 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,888 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 176,426 |
| Country Chain | 0 | - | 4.96 | 216,897 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,521 |
| Countries by Emojis | 0 | - | 4.99 | 239,084 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,779 |
| Islands by Country #1 | 0 | - | 4.88 | 175,160 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,412 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,759 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,654 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,225 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,775 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,958 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,643 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,031 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,233 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,144 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,529 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,088 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,204 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,376 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,691 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,008 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,993 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,672 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,355 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,545 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,115 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,716 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,689 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,895 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,624 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,150 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,009 |
| European Countries with One Border | 0 | - | 4.97 | 182,586 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,407 |
| Random Countries by Borders | 0 | - | 4.99 | 82,322 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,801 |
| Landlocked Countries | 0 | - | 4.99 | 419,361 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 137,490 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,396 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,184 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,033 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,946 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,627 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,975 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,063 |
| Countries Bordering France | 0 | - | 4.83 | 402,091 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,763 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,362 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,364 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,707 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,337 |
| Island Countries | 0 | - | 4.99 | 709,935 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,164 |
| Himalayan Countries | 0 | - | 4.95 | 137,594 |
| Andean Countries | 0 | - | 4.95 | 84,031 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,285 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,772 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,899 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,402 |
| Danube Countries | 0 | - | 4.97 | 71,706 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,616 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,105 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,722 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,801 |
| European Landlocked Countries | 0 | - | 4.99 | 146,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,189 |
| Countries with the Most Species | 0 | - | 4.99 | 102,960 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,337 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,440 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,603 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,337 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,014 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,403 |
| Countries in the Alps | 0 | - | 4.87 | 117,754 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,185 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,453 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,448 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,040 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,151 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,747 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,228 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,992 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,592 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,508 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,358 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,964 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,223 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,248 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,268 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,089 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,591 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,600 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,561 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,335 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,018 |
| Largest Countries By Category | 0 | - | 4.97 | 157,715 |
| Countries by Countries | 0 | - | 4.96 | 62,879 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,653 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,271 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,371 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,812 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,505 |
| Northernmost Countries | 0 | - | 4.99 | 360,667 |
| Countries of South America | 0 | - | 5.00 | 923,506 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,868 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,696 |
| "Land" Countries | 0 | - | 4.98 | 335,899 |
| Countries Bordering India | 0 | - | 4.98 | 163,364 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,226 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,116 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,477 |
| Countries that Border China | 0 | - | 4.96 | 262,941 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,811 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,741 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,786 |
| Merged Countries #2 | 0 | - | 4.96 | 98,951 |
| Merged Countries #6 | 0 | - | 4.90 | 73,168 |
| Merged Countries #7 | 0 | - | 4.93 | 82,509 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,761 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,463 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,942 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,896 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,880 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,048 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,234 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,824,127 |
| One Border Countries | 0 | - | 4.98 | 467,908 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,139 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,572 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,141 |
| Countries with Megacities | 0 | - | 4.99 | 261,556 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,006 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,060 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,288 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,092 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,909 |
| Random Country to Capital | 0 | - | 4.98 | 919,009 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,526 |
| Countries by Official Language | 0 | - | 4.95 | 194,715 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,642 |
| Countries in their Native Language | 0 | - | 4.99 | 198,261 |
| Independence from Whom | 0 | - | 4.99 | 211,423 |
| Subdivisions by Country | 0 | - | 4.86 | 50,301 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,788 |
| Megadiverse Countries | 0 | - | 4.96 | 134,796 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,599 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,205 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,769 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,030 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,754 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,407 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,036 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,866 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,509 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,001 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,084 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,740 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,014 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,803 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,175 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,346 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,304 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,435 |
| World Map Quiz | 0 | - | 4.81 | 64,659 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,791 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,069 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,598 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,979 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,700 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,447 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,572 |