| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 89,838 |
| Flags with the Most Stars | 0 | - | 4.91 | 107,323 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,780 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 127,144 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 36,801 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,202 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 44,044 |
| Country Flags with the Most Red | 0 | - | 4.97 | 92,612 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 80,282 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,900 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 82,237 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 78,707 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,976 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,880 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,374 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,467 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 63,383 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 49,105 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,538 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,676 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,388 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 69,844 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,103 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 27,009 |
| Random Flag to Country | 0 | - | 4.99 | 513,162 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 94,805 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,035 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,060,403 |
| Flags of Asia Quiz | 0 | - | 4.99 | 531,915 |
| World Map without 12 Countries | 0 | - | 4.97 | 317,734 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 843,338 |
| Country Shape Quiz #2 | 0 | - | 4.96 | 379,341 |
| Every Country Shape | 0 | - | 5.00 | 388,663 |
| Flags of Africa Quiz | 0 | - | 5.00 | 393,679 |
| Former Flags | 0 | - | 4.98 | 82,481 |
| Countries by Road Signs | 0 | - | 4.98 | 46,010 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,864 |
| Flags to Capitals #2 | 0 | - | 4.95 | 37,456 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 153,173 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 122,560 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 127,214 |
| Country Shape Quiz #3 | 0 | - | 4.92 | 269,373 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 199,269 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 140,465 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 92,312 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 100,620 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 110,611 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 98,522 |
| Country Shapes in the World Map #6 | 0 | - | 4.97 | 73,050 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 50,503 |
| Country Shapes in the World Map #5 | 0 | - | 4.97 | 77,264 |
| Cartoon Versions of Countries | 0 | - | 5.00 | 87,408 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,107 |
| Flags of Oceania | 0 | - | 5.00 | 219,105 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 314,232 |
| Three Band Flags of Europe | 0 | - | 4.97 | 163,014 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,960 |
| Similar Flags #1 | 0 | - | 4.75 | 111,973 |
| Similar Flags #2 | 0 | - | 4.79 | 114,187 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,532,049 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 69,913 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 66,837 |
| Countries Connected in the World Map #3 | 0 | - | 4.96 | 66,322 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 142,886 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 65,118 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 48,818 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 119,739 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 141,004 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 108,164 |
| Flags of the Mediterranean | 0 | - | 4.94 | 125,296 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,239,278 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,642 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.96 | 78,703 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 114,702 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 79,987 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 46,611 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 54,482 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 55,366 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.83 | 37,335 |
| Merged Countries #2 | 0 | - | 4.96 | 90,449 |
| Merged Countries #4 | 0 | - | 4.87 | 85,283 |
| Merged Countries #6 | 0 | - | 4.90 | 65,947 |
| Merged Countries #7 | 0 | - | 4.94 | 75,140 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 87,286 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 130,980 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,426 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,818 |
| Pixelated World Map | 0 | - | 5.00 | 129,820 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,144,566 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,695 |
| World Coats of Arms | 0 | - | 4.99 | 56,369 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,208,026 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,787 |
| Members of the Arab League | 0 | - | 4.85 | 65,285 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,437 |
| Himalayan Countries | 0 | - | 4.94 | 107,659 |
| Andean Countries | 0 | - | 4.91 | 59,757 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,824 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,496 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,890 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,671 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,994 |
| Danube Countries | 0 | - | 4.96 | 57,082 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,102 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,186 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,332 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,133 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,429 |
| European Landlocked Countries | 0 | - | 4.99 | 136,805 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,532 |
| Countries with the Most Species | 0 | - | 4.99 | 89,774 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,024 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,922 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,228 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,847 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,755 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,009 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,708 |
| Countries in the Alps | 0 | - | 4.84 | 103,540 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,152 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,819 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,088 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,160 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,677 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,133 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,298 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,603 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,600 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,213 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,970 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,900 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,921 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,341 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,479 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,048 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,863 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,789 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,870 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,677 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,663 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,686 |
| Largest Countries By Category | 0 | - | 4.97 | 146,051 |
| Countries by Countries | 0 | - | 4.96 | 55,339 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,727 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,076 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,012 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,614 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,228 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,350,536 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 54,667 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.95 | 65,284 |
| Random Country Shape to Country | 0 | - | 4.85 | 77,479 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,715 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,557 |
| Island Countries Quiz | 0 | - | 4.99 | 666,451 |
| Biggest Countries by Area | 0 | - | 5.00 | 943,324 |
| Northernmost Countries | 0 | - | 4.99 | 330,078 |
| Countries of South America | 0 | - | 5.00 | 805,450 |
| Countries of Oceania | 0 | - | 5.00 | 907,866 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,600,413 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 74,400 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 160,896 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 167,296 |
| Name a Valid Country Flag | 0 | - | 4.56 | 48,638 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 460,409 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,505,768 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,182 |
| Countries with Megacities | 0 | - | 4.99 | 200,624 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,366 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,325 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,329 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,566 |
| Countries by Official Language | 0 | - | 4.96 | 174,582 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,985 |
| Countries in their Native Language | 0 | - | 4.98 | 179,726 |
| Independence from Whom | 0 | - | 4.99 | 188,158 |
| Subdivisions by Country | 0 | - | 4.82 | 46,767 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,008 |
| Megadiverse Countries | 0 | - | 4.96 | 126,323 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,893 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,320 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,700 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,628 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,656 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,154 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,822 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,519 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,742 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,708 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,062 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,721 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,224 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,167 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,809 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 85,107 |
| World Map Quiz | 0 | - | 4.91 | 50,830 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 117,062 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,382 |
| Countries by Founding Story | 0 | - | 4.93 | 55,621 |
