| Word Scramble - Countries | 0 | - | 4.86 | 2,089,747 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,162 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,145 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,436 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,430 |
| European Countries with One Border | 0 | - | 4.97 | 181,770 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,662 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,209 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,951 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,375 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,570 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,528 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,122 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,790 |
| Random Country to Capital | 0 | - | 4.98 | 912,622 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,149 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,514 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,394 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,408 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,154 |
| Countries with Four Letters | 0 | - | 4.99 | 419,022 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,062 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,381 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,990,313 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,857 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,956 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,601 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,254 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,572 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,329 |
| Landlocked Countries | 0 | - | 4.99 | 414,464 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,408 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,704 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,210 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,510 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,088 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,512 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,708 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,490 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,609 |
| Country Chain | 0 | - | 4.96 | 215,905 |
| Countries by Emojis | 0 | - | 4.99 | 236,943 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,201 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,194 |
| Islands by Country #1 | 0 | - | 4.87 | 174,581 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,994 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,343 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,382 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,767 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,810 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,078 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,086 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,152 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,735 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,953 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,076 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,638 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,003 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,010 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,949 |
| Himalayan Countries | 0 | - | 4.95 | 135,653 |
| Andean Countries | 0 | - | 4.94 | 83,004 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,354 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,401 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,048 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,721 |
| Danube Countries | 0 | - | 4.97 | 71,162 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,881 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,625 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,672 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,575 |
| European Landlocked Countries | 0 | - | 4.99 | 145,871 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,344 |
| Countries with the Most Species | 0 | - | 4.99 | 95,295 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,498 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,230 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,399 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,570 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,518 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,009 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,649 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,016 |
| Countries in the Alps | 0 | - | 4.86 | 116,959 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,667 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,430 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,088 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,500 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,277 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,078 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,678 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,829 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,568 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,135 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,228 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,093 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,520 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,817 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,819 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,258 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,725 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,428 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,304 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,886 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,771 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,952 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,677 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,400 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,921 |
| Largest Countries By Category | 0 | - | 4.97 | 156,893 |
| Countries by Countries | 0 | - | 4.96 | 62,346 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,846 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,720 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,869 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,079 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,574 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,533 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,623 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,996 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,844 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,655 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,730 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,812 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,243 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,225 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,415 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,844 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,004 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,437 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,259 |
| Island Countries | 0 | - | 4.99 | 707,950 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,753 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,615 |
| Northernmost Countries | 0 | - | 4.99 | 358,183 |
| Countries of South America | 0 | - | 5.00 | 916,232 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,358 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,345 |
| "Land" Countries | 0 | - | 4.98 | 333,888 |
| Countries Bordering France | 0 | - | 4.83 | 400,118 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,343 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,409 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,260 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,155 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,533 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,709 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,505 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,472 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,512 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,005 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,659 |
| Countries with Megacities | 0 | - | 4.99 | 247,650 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,508 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,221 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,905 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,150 |
| Countries by Official Language | 0 | - | 4.95 | 192,955 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,386 |
| Countries in their Native Language | 0 | - | 4.99 | 196,811 |
| Independence from Whom | 0 | - | 4.99 | 209,920 |
| Subdivisions by Country | 0 | - | 4.86 | 50,107 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,908 |
| Megadiverse Countries | 0 | - | 4.97 | 133,967 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,973 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,959 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,472 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,880 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,772 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,061 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,196 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,223 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,255 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,750 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,458 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,559 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,543 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,400 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,733 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,067 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,836 |
| World Map Quiz | 0 | - | 4.81 | 63,660 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,166 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,418 |
| Countries by Founding Story | 0 | - | 4.95 | 76,623 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,574 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,361 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,089 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,039 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,003 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,188 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,390 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,011 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,437 |
| Widest Countries East to West | 0 | - | 4.92 | 128,940 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,254 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,347 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,607 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,766 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,707 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,140 |
