| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 131,273 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 97,605 |
| Flags with the Most Stars | 0 | - | 4.90 | 115,689 |
| Flags that are Red & White Only | 0 | - | 4.96 | 137,899 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 135,533 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 45,754 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 40,880 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 48,945 |
| Country Flags with the Most Red | 0 | - | 4.98 | 111,703 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 86,357 |
| Country Flags with the Most Green | 0 | - | 4.95 | 93,640 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 88,377 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 93,809 |
| Country Flags with the Most Black | 0 | - | 4.94 | 92,286 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 64,623 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 46,885 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 67,734 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 53,682 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 33,061 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 84,965 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 39,618 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,414 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 74,122 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 28,967 |
| Random Flag to Country | 0 | - | 4.99 | 548,899 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 98,293 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 79,004 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,131,341 |
| Flags of Asia Quiz | 0 | - | 4.99 | 566,696 |
| World Map without 12 Countries | 0 | - | 4.97 | 329,926 |
| Country Shape Quiz #1 | 0 | - | 4.93 | 881,532 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 402,340 |
| Every Country Shape | 0 | - | 5.00 | 417,488 |
| Flags of Africa Quiz | 0 | - | 5.00 | 425,075 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,394 |
| Former Flags | 0 | - | 4.98 | 101,295 |
| Countries by Road Signs | 0 | - | 4.98 | 49,472 |
| Flags to Capitals #1 | 0 | - | 4.96 | 53,836 |
| Flags to Capitals #2 | 0 | - | 4.95 | 40,708 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 161,696 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 129,656 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 134,714 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 280,142 |
| Country Shape Quiz #4 | 0 | - | 4.93 | 208,067 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 148,219 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 97,801 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 105,633 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 115,999 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 103,116 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 76,536 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 54,104 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 81,314 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 91,192 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 55,573 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 47,633 |
| Flags of Oceania | 0 | - | 5.00 | 235,572 |
| Three Band Flags of Europe | 0 | - | 4.97 | 183,022 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,066 |
| Similar Flags #1 | 0 | - | 4.70 | 116,935 |
| Similar Flags #2 | 0 | - | 4.77 | 119,620 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,212,563 |
| Countries Connected in the World Map #2 | 0 | - | 4.98 | 74,713 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 71,553 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 70,943 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 148,155 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 68,918 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 51,693 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 125,159 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 147,483 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 35,028 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 122,439 |
| Flags of the Mediterranean | 0 | - | 4.94 | 130,724 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,760,110 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 381,219 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 82,475 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 119,808 |
| Country Picture Puzzle Game #1 | 0 | - | 4.85 | 82,986 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 49,367 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 56,676 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 57,535 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.84 | 39,454 |
| Merged Countries #2 | 0 | - | 4.96 | 94,691 |
| Merged Countries #6 | 0 | - | 4.91 | 69,517 |
| Merged Countries #7 | 0 | - | 4.93 | 78,676 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 137,843 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 79,270 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.82 | 46,718 |
| Pixelated World Map | 0 | - | 5.00 | 136,450 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,398,002 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 69,952 |
| World Coats of Arms | 0 | - | 4.99 | 60,268 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,464,006 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.75 | 25,135 |
| Sahara Desert Countries | 0 | - | 4.97 | 144,917 |
| Himalayan Countries | 0 | - | 4.95 | 121,617 |
| Andean Countries | 0 | - | 4.92 | 68,331 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,409 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,571 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,601 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 59,041 |
| Danube Countries | 0 | - | 4.97 | 60,695 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,736 |
| Countries with the Best Passports | 0 | - | 4.81 | 80,117 |
| Countries with the Worst Passports | 0 | - | 4.92 | 64,185 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,606 |
| European Landlocked Countries | 0 | - | 4.99 | 140,852 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,821 |
| Countries with the Most Species | 0 | - | 4.99 | 92,245 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,237 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,627 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,724 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,443 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,174 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,839 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,510 |
| Countries in the Alps | 0 | - | 4.86 | 110,198 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,540 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,456 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,272 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,553 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,429 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,807 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,830 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,717 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,880 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,652 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,628 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,165 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,024 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,025 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,374 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,631 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,698 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,605 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,303 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,481 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,994 |
| Largest Countries By Category | 0 | - | 4.97 | 151,100 |
| Countries by Countries | 0 | - | 4.96 | 58,309 |
| Country Flags with the Most White | 0 | - | 4.87 | 131,871 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,597 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,275 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,731 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,743 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,438,085 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 57,289 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 68,359 |
| Random Country Shape to Country | 0 | - | 4.90 | 99,768 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,646 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,633 |
| Island Countries Quiz | 0 | - | 4.99 | 689,951 |
| Biggest Countries by Area | 0 | - | 5.00 | 988,144 |
| Northernmost Countries | 0 | - | 4.99 | 342,295 |
| Countries of South America | 0 | - | 5.00 | 860,425 |
| Countries of Oceania | 0 | - | 5.00 | 972,966 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,726,049 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,252,810 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 79,907 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 172,159 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 175,219 |
| Name a Valid Country Flag | 0 | - | 4.64 | 69,825 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 492,395 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 317,832 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,621,693 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,361 |
| Countries with Megacities | 0 | - | 4.99 | 217,471 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,386 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,074 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,374 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,990 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,348 |
| Countries by Official Language | 0 | - | 4.95 | 183,769 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,615 |
| Countries in their Native Language | 0 | - | 4.98 | 188,571 |
| Independence from Whom | 0 | - | 4.99 | 199,549 |
| Subdivisions by Country | 0 | - | 4.86 | 48,479 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,521 |
| Megadiverse Countries | 0 | - | 4.96 | 130,366 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,848 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 120,700 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,287 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,288 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,402 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 86,278 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,915 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,336 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,385 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,009 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,804 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,883 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,126 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,089 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,544 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 97,858 |
| World Map Quiz | 0 | - | 4.88 | 57,483 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 134,461 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,603 |
| Countries by Founding Story | 0 | - | 4.94 | 72,753 |
