| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,219 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,847 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,650 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,538 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,872,056 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,312 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,838 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,916 |
| Orthodox Countries | 0 | - | 4.91 | 130,292 |
| Monarchies of Europe | 0 | - | 4.90 | 97,240 |
| Monarchies of Asia | 0 | - | 4.97 | 70,554 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 98,686 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,381 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 33,644 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,218 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.80 | 81,733 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,320 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,549 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,231 |
| Countries that Start with D | 0 | - | 4.96 | 700,804 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,656 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,867 |
| Countries that Start with H | 0 | - | 4.96 | 597,329 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,536 |
| Countries that Start with J | 0 | - | 4.98 | 595,397 |
| Countries that Start with K | 0 | - | 4.96 | 808,850 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,235 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,092 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,917 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,601 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,674 |
| Countries that Start with U | 0 | - | 4.97 | 899,532 |
| Countries that Start with V | 0 | - | 4.98 | 604,713 |
| Countries that Start with F | 0 | - | 4.83 | 611,686 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,587 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,515 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,628 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,815 |
| Landlocked Countries | 0 | - | 4.99 | 413,090 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,135 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,314 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,180 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,623 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,186 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,055 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,463 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,270 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,918 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,174 |
| Island Countries | 0 | - | 4.99 | 707,359 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,354 |
| Himalayan Countries | 0 | - | 4.95 | 135,136 |
| Andean Countries | 0 | - | 4.94 | 82,717 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,134 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,053 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,804 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,507 |
| Danube Countries | 0 | - | 4.97 | 71,023 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,683 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,341 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,262 |
| European Landlocked Countries | 0 | - | 4.99 | 145,691 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,098 |
| Countries with the Most Species | 0 | - | 4.99 | 95,209 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,250 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,342 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,921 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,729 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,132 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,963 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,354 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,089 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,948 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,501 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,707 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,757 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,999 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,176 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,393 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,697 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,935 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,214 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,963 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,447 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,559 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,701 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,691 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.91 | 26,423 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,692 |
| Northernmost Countries | 0 | - | 4.99 | 357,396 |
| Countries of South America | 0 | - | 5.00 | 913,798 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,157 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,142 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,466 |
| "Land" Countries | 0 | - | 4.98 | 333,486 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,139 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,070 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,910 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,059 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,961 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,359 |
| Countries in World War I | 0 | - | 4.88 | 226,497 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,295 |
| Hindu Countries | 0 | - | 4.85 | 49,475 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,589 |
| One Border Countries | 0 | - | 4.98 | 463,780 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,853 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,927 |
| Countries with Megacities | 0 | - | 4.99 | 246,346 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,853 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,764 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,304 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,708 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,145 |
| Countries by Official Language | 0 | - | 4.95 | 192,636 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,953 |
| Countries in their Native Language | 0 | - | 4.99 | 196,513 |
| Independence from Whom | 0 | - | 4.99 | 209,540 |
| Subdivisions by Country | 0 | - | 4.86 | 50,040 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,624 |
| Megadiverse Countries | 0 | - | 4.97 | 133,845 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,811 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,687 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,890 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,548 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,385 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,574 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,954 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,630 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,085 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,190 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,726 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,441 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,379 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,465 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,033 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,246 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,210 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,912 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,879 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,568 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,798 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,995 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,199 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,897 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,282 |
| Widest Countries East to West | 0 | - | 4.92 | 128,546 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,197 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,126 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,639 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,544 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,970 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,037 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,265 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,556 |
| Countries of Africa | 0 | - | 5.00 | 2,505,497 |
| Countries with Double Letters | 0 | - | 4.97 | 93,265 |
| Countries that End in N | 0 | - | 4.94 | 156,331 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,542 |
| Countries with Six Letters | 0 | - | 4.93 | 210,241 |
| Countries with W | 0 | - | 4.97 | 158,146 |
| Countries with Z | 0 | - | 4.98 | 287,712 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,455 |
| Countries That End in U | 0 | - | 4.95 | 119,470 |
| Countries with Four Letters | 0 | - | 4.99 | 418,209 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,416 |
| Countries that End in O | 0 | - | 4.92 | 158,498 |
| Countries that End in R | 0 | - | 4.87 | 118,229 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,821 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,905 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,212 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,412 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,623 |
| Countries That End in Y | 0 | - | 4.90 | 185,170 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,218 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,585 |
| Countries that End in I | 0 | - | 4.94 | 134,343 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,063 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,157 |
| Countries That End in NIA | 0 | - | 4.92 | 108,946 |
| Countries That End in BIA | 0 | - | 4.92 | 147,640 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,003 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,427 |
| Countries That End in RIA | 0 | - | 4.93 | 126,033 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,941 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,041 |
