| Word Scramble - Countries | 0 | - | 4.86 | 2,089,674 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,149 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,128 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,430 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,416 |
| European Countries with One Border | 0 | - | 4.97 | 181,765 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,659 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,012 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,950 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,371 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,570 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,526 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,120 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,709 |
| Random Country to Capital | 0 | - | 4.98 | 912,577 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,131 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,498 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,381 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,401 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,138 |
| Countries with Four Letters | 0 | - | 4.99 | 419,003 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,052 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,375 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,987,384 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,854 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,955 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,591 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,249 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,570 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,329 |
| Landlocked Countries | 0 | - | 4.99 | 414,432 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,398 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,649 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,210 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,504 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,082 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,509 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,703 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,482 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,602 |
| Country Chain | 0 | - | 4.96 | 215,893 |
| Countries by Emojis | 0 | - | 4.99 | 236,934 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,197 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,190 |
| Islands by Country #1 | 0 | - | 4.87 | 174,579 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,993 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,341 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,382 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,469 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,806 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,068 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,067 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,113 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,711 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,894 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,052 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,617 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,001 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,006 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,933 |
| Himalayan Countries | 0 | - | 4.95 | 135,644 |
| Andean Countries | 0 | - | 4.94 | 82,993 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,397 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,045 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,718 |
| Danube Countries | 0 | - | 4.97 | 71,159 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,875 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,622 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,663 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,564 |
| European Landlocked Countries | 0 | - | 4.99 | 145,864 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,333 |
| Countries with the Most Species | 0 | - | 4.99 | 95,290 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,482 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,229 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,560 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,514 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,646 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,011 |
| Countries in the Alps | 0 | - | 4.86 | 116,958 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,660 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,426 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,083 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,492 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,271 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,076 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,675 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,827 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,133 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,227 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,090 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,814 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,247 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,724 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,303 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,879 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,746 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,939 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,400 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,919 |
| Largest Countries By Category | 0 | - | 4.97 | 156,891 |
| Countries by Countries | 0 | - | 4.96 | 62,341 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,840 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,718 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,861 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,068 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,567 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,530 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,612 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,354 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,652 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,726 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,807 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,240 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,223 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,406 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,831 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,966 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,423 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,242 |
| Island Countries | 0 | - | 4.99 | 707,936 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,639 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,577 |
| Northernmost Countries | 0 | - | 4.99 | 358,168 |
| Countries of South America | 0 | - | 5.00 | 916,181 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,323 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,242 |
| "Land" Countries | 0 | - | 4.98 | 333,875 |
| Countries Bordering France | 0 | - | 4.83 | 400,088 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,330 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,405 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,247 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,149 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,528 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,704 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,501 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,462 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,448 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,990 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,644 |
| Countries with Megacities | 0 | - | 4.99 | 247,617 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,496 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,213 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,897 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,141 |
| Countries by Official Language | 0 | - | 4.95 | 192,948 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,375 |
| Countries in their Native Language | 0 | - | 4.99 | 196,801 |
| Independence from Whom | 0 | - | 4.99 | 209,906 |
| Subdivisions by Country | 0 | - | 4.86 | 50,104 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,901 |
| Megadiverse Countries | 0 | - | 4.97 | 133,966 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,960 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,957 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,769 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,057 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,191 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,222 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,254 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,742 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,457 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,557 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,541 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,399 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,731 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,065 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,825 |
| World Map Quiz | 0 | - | 4.81 | 63,659 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,154 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,416 |
| Countries by Founding Story | 0 | - | 4.95 | 76,620 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,567 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,356 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,081 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,029 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,998 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,183 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,386 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,008 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,432 |
| Widest Countries East to West | 0 | - | 4.92 | 128,935 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,253 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,340 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,606 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,759 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,704 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,136 |
