| Islands by Country #1 | 0 | - | 4.87 | 174,453 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,627 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,608 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,366 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,456 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,666 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,067 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,033 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,187 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,630 |
| Countries with Four Letters | 0 | - | 4.99 | 418,379 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,768 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,144 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,579 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,617 |
| Landlocked Countries | 0 | - | 4.99 | 413,322 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,886 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,179 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,260 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,388 |
| Country Chain | 0 | - | 4.96 | 215,664 |
| Countries by Emojis | 0 | - | 4.99 | 236,052 |
| African Island Countries | 0 | - | 4.96 | 100,746 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,080 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,883 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,256 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,320 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,041 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,449 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,040 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,703 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,731 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,299 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,311 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,467 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,718 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,337 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,454 |
| Himalayan Countries | 0 | - | 4.95 | 135,241 |
| Andean Countries | 0 | - | 4.94 | 82,766 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,179 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,119 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,849 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,555 |
| Danube Countries | 0 | - | 4.97 | 71,051 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,717 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,506 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,332 |
| European Landlocked Countries | 0 | - | 4.99 | 145,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,150 |
| Countries with the Most Species | 0 | - | 4.99 | 95,228 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,293 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,396 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,427 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,941 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,553 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,922 |
| Countries in the Alps | 0 | - | 4.86 | 116,772 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,527 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,195 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,986 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,393 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,536 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,727 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,138 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,025 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,725 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,004 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,616 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,311 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,737 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,111 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,544 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,321 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,814 |
| Largest Countries By Category | 0 | - | 4.97 | 156,704 |
| Countries by Countries | 0 | - | 4.96 | 62,232 |
| Richest Island Countries | 0 | - | 4.84 | 99,477 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,473 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,718 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,237 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,331 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,390 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,953 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,889 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,318 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,726 |
| Islands by Country #2 | 0 | - | 4.80 | 76,973 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,579 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,747 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| Random Countries by Borders | 0 | - | 4.99 | 81,641 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,155 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,494 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,025 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,645 |
| Island Countries | 0 | - | 4.99 | 707,497 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,501 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,091 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,082 |
| Northernmost Countries | 0 | - | 4.99 | 357,558 |
| Countries of South America | 0 | - | 5.00 | 914,214 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,810 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,244 |
| "Land" Countries | 0 | - | 4.98 | 333,560 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,361 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,698 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,516 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,484 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,004 |
| Countries with Megacities | 0 | - | 4.99 | 246,548 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,927 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,808 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,375 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Countries by Official Language | 0 | - | 4.95 | 192,708 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,041 |
| Countries in their Native Language | 0 | - | 4.99 | 196,568 |
| Independence from Whom | 0 | - | 4.99 | 209,609 |
| Subdivisions by Country | 0 | - | 4.86 | 50,052 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,692 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,740 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,408 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,613 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,981 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,857 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,122 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,204 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,509 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,400 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,476 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,646 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,005 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,506 |
| World Map Quiz | 0 | - | 4.81 | 63,460 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,493 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,293 |
| Countries by Founding Story | 0 | - | 4.95 | 76,499 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,275 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,947 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,909 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,651 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,824 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,030 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,241 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,926 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,313 |
| Widest Countries East to West | 0 | - | 4.92 | 128,580 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,169 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,554 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,670 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,598 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,014 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,046 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,569 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,539 |
| Countries with Double Letters | 0 | - | 4.97 | 93,315 |
| Countries that End in N | 0 | - | 4.94 | 156,381 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,607 |
| Countries with Six Letters | 0 | - | 4.93 | 210,284 |
| Countries with W | 0 | - | 4.97 | 158,179 |
| Countries with Z | 0 | - | 4.98 | 287,794 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,502 |
| Countries That End in U | 0 | - | 4.95 | 119,490 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,482 |
| Countries that End in O | 0 | - | 4.92 | 158,526 |
| Countries that End in R | 0 | - | 4.87 | 118,249 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,847 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,954 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,284 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,458 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,974 |
| Countries That End in Y | 0 | - | 4.90 | 185,184 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,316 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,630 |
| Countries that End in I | 0 | - | 4.94 | 134,381 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,130 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,175 |
| Countries That End in NIA | 0 | - | 4.92 | 108,975 |
| Countries That End in BIA | 0 | - | 4.92 | 147,676 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,026 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,451 |
