| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,320 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,379 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,490 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,168 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,292 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,068 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,489 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,878 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,872 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,095 |
| Countries with Four Letters | 0 | - | 4.99 | 418,095 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,655 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,048 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,860,015 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,841 |
| Landlocked Countries | 0 | - | 4.99 | 412,962 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,617 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,643 |
| Country Chain | 0 | - | 4.96 | 215,585 |
| Countries by Emojis | 0 | - | 4.99 | 235,855 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,030 |
| Islands by Country #1 | 0 | - | 4.87 | 174,402 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,849 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,221 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,289 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,623 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,576 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,938 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,114 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,272 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,583 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,202 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,292 |
| Himalayan Countries | 0 | - | 4.95 | 135,090 |
| Andean Countries | 0 | - | 4.94 | 82,685 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,097 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,019 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,788 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,490 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,467 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,309 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,227 |
| European Landlocked Countries | 0 | - | 4.99 | 145,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,069 |
| Countries with the Most Species | 0 | - | 4.99 | 95,196 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,220 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,523 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,880 |
| Countries in the Alps | 0 | - | 4.87 | 116,704 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,487 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,104 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,074 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,941 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,481 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,694 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,238 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,980 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,377 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,685 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,683 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,898 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,576 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,271 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,688 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,890 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,405 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,548 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,290 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,774 |
| Largest Countries By Category | 0 | - | 4.97 | 156,640 |
| Countries by Countries | 0 | - | 4.96 | 62,182 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,537 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,569 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,282 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,573 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,107 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,243 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,279 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,669 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,544 |
| Random Countries by Borders | 0 | - | 4.99 | 81,582 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,020 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,027 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,131 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,868 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,046 |
| Island Countries | 0 | - | 4.99 | 707,282 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,334 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,496 |
| Northernmost Countries | 0 | - | 4.99 | 357,316 |
| Countries of South America | 0 | - | 5.00 | 913,565 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,846 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,518 |
| "Land" Countries | 0 | - | 4.98 | 333,448 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,030 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,502 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,131 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,946 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,189 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,695 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,183 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,890 |
| Countries with Megacities | 0 | - | 4.99 | 246,258 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,809 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,748 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,269 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,684 |
| Countries by Official Language | 0 | - | 4.95 | 192,608 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,911 |
| Countries in their Native Language | 0 | - | 4.99 | 196,495 |
| Independence from Whom | 0 | - | 4.99 | 209,504 |
| Subdivisions by Country | 0 | - | 4.86 | 50,035 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,598 |
| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,662 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,880 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,378 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,838 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,559 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,604 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,184 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,411 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,371 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,441 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,455 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,611 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,985 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,375 |
| World Map Quiz | 0 | - | 4.81 | 63,382 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,230 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,181 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,889 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,864 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,534 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,783 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,976 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,183 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,885 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,269 |
| Widest Countries East to West | 0 | - | 4.92 | 128,534 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,193 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,094 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,526 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,630 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,528 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,953 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,032 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,431 |
| Countries with Double Letters | 0 | - | 4.97 | 93,237 |
| Countries that End in N | 0 | - | 4.94 | 156,302 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,510 |
| Countries with Six Letters | 0 | - | 4.93 | 210,210 |
| Countries with W | 0 | - | 4.97 | 158,114 |
| Countries with Z | 0 | - | 4.98 | 287,536 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,438 |
| Countries That End in U | 0 | - | 4.95 | 119,454 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,367 |
| Countries that End in O | 0 | - | 4.92 | 158,482 |
| Countries that End in R | 0 | - | 4.86 | 118,212 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,814 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,883 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,195 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,396 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,575 |
| Countries That End in Y | 0 | - | 4.90 | 185,159 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,197 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,563 |
| Countries that End in I | 0 | - | 4.94 | 134,323 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,035 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,148 |
| Countries That End in NIA | 0 | - | 4.92 | 108,940 |
| Countries That End in BIA | 0 | - | 4.92 | 147,621 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,985 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,417 |
| Countries That End in RIA | 0 | - | 4.93 | 126,020 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,928 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,002 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,447 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,826 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,266 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,871 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,042 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,561 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,403 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,771 |
