| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 120,613 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 94,993 |
| Flags with the Most Stars | 0 | - | 4.91 | 113,684 |
| Flags that are Red & White Only | 0 | - | 4.96 | 136,318 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 133,540 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 43,422 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 39,611 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 47,676 |
| Country Flags with the Most Red | 0 | - | 4.97 | 98,221 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 84,374 |
| Country Flags with the Most Green | 0 | - | 4.96 | 91,749 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 86,629 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 92,366 |
| Country Flags with the Most Black | 0 | - | 4.94 | 90,730 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 64,014 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 46,317 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 85,509 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 66,231 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 52,216 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 84,411 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 38,546 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 152,152 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 73,194 |
| Countries by Partial Flag Images #6 | 0 | - | 4.91 | 31,584 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 28,512 |
| Random Flag to Country | 0 | - | 4.99 | 540,712 |
| Countries by Bordering Flags #1 | 0 | - | 4.93 | 97,514 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 78,324 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,115,402 |
| Flags of Asia Quiz | 0 | - | 4.99 | 559,303 |
| World Map without 12 Countries | 0 | - | 4.97 | 327,025 |
| Country Shape Quiz #1 | 0 | - | 4.93 | 875,731 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 399,371 |
| Every Country Shape | 0 | - | 5.00 | 411,919 |
| Flags of Africa Quiz | 0 | - | 5.00 | 418,194 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 330,232 |
| Former Flags | 0 | - | 4.98 | 100,035 |
| Countries by Road Signs | 0 | - | 4.98 | 48,677 |
| Flags to Capitals #1 | 0 | - | 4.96 | 52,962 |
| Flags to Capitals #2 | 0 | - | 4.95 | 39,956 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 159,627 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 128,148 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 133,268 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 277,931 |
| Country Shape Quiz #4 | 0 | - | 4.93 | 206,206 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 146,700 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 96,726 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 104,611 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 114,930 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 102,125 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 75,753 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 53,280 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 80,268 |
| Cartoon Versions of Countries | 0 | - | 5.00 | 90,466 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 46,467 |
| Flags of Oceania | 0 | - | 5.00 | 232,153 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,223 |
| Country Flags with the Southern Cross | 0 | - | 4.71 | 53,604 |
| Similar Flags #1 | 0 | - | 4.70 | 115,943 |
| Similar Flags #2 | 0 | - | 4.78 | 118,522 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,592,531 |
| Countries Connected in the World Map #2 | 0 | - | 4.98 | 73,629 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 70,437 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 69,846 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 146,598 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 67,991 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 50,991 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 123,695 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 145,840 |
| Flags of the Countries that Start with A | 0 | - | 4.95 | 120,601 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,637 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,665,296 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 372,995 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 81,613 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 118,602 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 82,134 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 48,419 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 56,201 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 57,064 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.83 | 38,998 |
| Merged Countries #2 | 0 | - | 4.96 | 93,772 |
| Merged Countries #4 | 0 | - | 4.83 | 88,354 |
| Merged Countries #6 | 0 | - | 4.91 | 68,759 |
| Merged Countries #7 | 0 | - | 4.94 | 77,925 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.81 | 90,156 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 136,190 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 78,575 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 46,282 |
| Pixelated World Map | 0 | - | 5.00 | 135,145 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,330,713 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 60,308 |
| World Coats of Arms | 0 | - | 4.99 | 59,193 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,403,281 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.74 | 24,873 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,056 |
| Himalayan Countries | 0 | - | 4.95 | 118,238 |
| Andean Countries | 0 | - | 4.92 | 66,192 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,299 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 54,944 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,112 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,010 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,714 |
| Danube Countries | 0 | - | 4.97 | 59,762 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,437 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,840 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,033 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,016 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,089 |
| European Landlocked Countries | 0 | - | 4.99 | 139,718 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,167 |
| Countries with the Most Species | 0 | - | 4.99 | 91,626 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,667 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,244 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,378 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,646 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,824 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,259 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,683 |
| Countries in the Alps | 0 | - | 4.86 | 108,519 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,592 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,679 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,555 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,465 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,293 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,017 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,879 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 48,988 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,318 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,873 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,053 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,660 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,526 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,288 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,010 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,626 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 106,837 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,078 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,015 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 217,545 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,481 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,376 |
| Largest Countries By Category | 0 | - | 4.97 | 149,913 |
| Countries by Countries | 0 | - | 4.96 | 57,689 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,106 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,301 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,000 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 81,913 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,764 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,419,110 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 56,652 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 67,556 |
| Random Country Shape to Country | 0 | - | 4.87 | 88,416 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 356,470 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,312 |
| Island Countries Quiz | 0 | - | 4.99 | 685,151 |
| Biggest Countries by Area | 0 | - | 5.00 | 978,766 |
| Northernmost Countries | 0 | - | 4.99 | 339,747 |
| Countries of South America | 0 | - | 5.00 | 847,529 |
| Countries of Oceania | 0 | - | 5.00 | 958,090 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,695,741 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,223,163 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 78,588 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 169,965 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 173,441 |
| Name a Valid Country Flag | 0 | - | 4.64 | 68,544 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 485,689 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,598,836 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,026 |
| Countries with Megacities | 0 | - | 4.99 | 213,725 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 183,993 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,753 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,209 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,455 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 265,782 |
| Countries by Official Language | 0 | - | 4.95 | 181,819 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 278,746 |
| Countries in their Native Language | 0 | - | 4.98 | 186,780 |
| Independence from Whom | 0 | - | 4.99 | 197,268 |
| Subdivisions by Country | 0 | - | 4.86 | 48,122 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 121,762 |
| Megadiverse Countries | 0 | - | 4.96 | 129,753 |
| Countries With the Most English Speakers | 0 | - | 4.90 | 116,439 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,109 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,058 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,812 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,754 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,795 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,248 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,527 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,076 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,421 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,100 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,257 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,603 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 71,488 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,892 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 95,335 |
| World Map Quiz | 0 | - | 4.88 | 56,121 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 130,675 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,666 |