| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,515 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,401 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,594,454 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,804 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,162 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,497 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,594 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,282 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,577 |
| Random Countries by Borders | 0 | - | 4.99 | 81,787 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,521 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,462 |
| Random Country to Capital | 0 | - | 4.98 | 913,085 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,297 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,664 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,534 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,475 |
| Countries with Four Letters | 0 | - | 4.99 | 419,257 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,449 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,997 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,018,956 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,717 |
| Landlocked Countries | 0 | - | 4.99 | 414,874 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,675 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,610 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,236 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,574 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,681 |
| Country Chain | 0 | - | 4.96 | 215,983 |
| Countries by Emojis | 0 | - | 4.99 | 237,089 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,243 |
| Islands by Country #1 | 0 | - | 4.87 | 174,613 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,026 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,362 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,402 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,726,894 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,220 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,503 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,925 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,283 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,224 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,755 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,827 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,343 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,458 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,089 |
| Himalayan Countries | 0 | - | 4.95 | 135,806 |
| Andean Countries | 0 | - | 4.94 | 83,082 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,409 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,512 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,112 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,772 |
| Danube Countries | 0 | - | 4.97 | 71,213 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,937 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,663 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,762 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,674 |
| European Landlocked Countries | 0 | - | 4.99 | 145,908 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,426 |
| Countries with the Most Species | 0 | - | 4.99 | 95,314 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,571 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,245 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,421 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,634 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,551 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,033 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,677 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,045 |
| Countries in the Alps | 0 | - | 4.86 | 117,037 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,705 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,497 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,127 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,536 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,324 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,732 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,863 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,644 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,170 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,250 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,112 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,573 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,848 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,854 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,348 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,758 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,460 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,330 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,969 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,965 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,066 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,694 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,422 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,953 |
| Largest Countries By Category | 0 | - | 4.97 | 156,950 |
| Countries by Countries | 0 | - | 4.96 | 62,397 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,930 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,766 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,991 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,186 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,681 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,586 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,690 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,005 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,368 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,312 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,239 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,637 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,886 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,678 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,198 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,416 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,567 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,478 |
| Island Countries | 0 | - | 4.99 | 708,097 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,683 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,150 |
| Northernmost Countries | 0 | - | 4.99 | 358,441 |
| Countries of South America | 0 | - | 5.00 | 916,955 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,105 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,620 |
| "Land" Countries | 0 | - | 4.98 | 333,974 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,776 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,922 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,214 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,172 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,763 |
| Countries with Megacities | 0 | - | 4.99 | 247,904 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,643 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,272 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,029 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,225 |
| Countries by Official Language | 0 | - | 4.95 | 193,046 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,512 |
| Countries in their Native Language | 0 | - | 4.99 | 196,891 |
| Independence from Whom | 0 | - | 4.99 | 210,020 |
| Subdivisions by Country | 0 | - | 4.86 | 50,119 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,976 |
| Megadiverse Countries | 0 | - | 4.97 | 134,009 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,053 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,982 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,492 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,891 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,817 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,086 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,263 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,320 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,271 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,773 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,815 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,482 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,585 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,566 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,423 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,762 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,095 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,959 |
| World Map Quiz | 0 | - | 4.81 | 63,709 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,387 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,496 |
| Countries by Founding Story | 0 | - | 4.95 | 76,664 |
| Countries by Road Signs | 0 | - | 4.98 | 53,242 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,679 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,442 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,172 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,165 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,058 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,253 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,454 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,038 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,493 |
| Widest Countries East to West | 0 | - | 4.92 | 128,983 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,272 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,411 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,629 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,820 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,764 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,177 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 75,758 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,631 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,335 |
| Countries with Double Letters | 0 | - | 4.97 | 93,616 |
| Countries that End in N | 0 | - | 4.94 | 157,085 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,942 |
| Countries with Six Letters | 0 | - | 4.93 | 210,615 |
| Countries with W | 0 | - | 4.97 | 158,379 |
| Countries with Z | 0 | - | 4.98 | 288,153 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,709 |
| Countries That End in U | 0 | - | 4.95 | 119,595 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,817 |
| Countries that End in O | 0 | - | 4.92 | 158,629 |
| Countries that End in R | 0 | - | 4.87 | 118,352 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,914 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,344 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,497 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,614 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,159 |
| Countries That End in Y | 0 | - | 4.90 | 185,268 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,563 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,850 |
