| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,213 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,400 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,923 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,564 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,740 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,451 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,639 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,823 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,751 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,765 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,859 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,656 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,295 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,723 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,833 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,232 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,638 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,986 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,180 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,280 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,145 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,571 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,029 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,633 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,523 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,054 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,055 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,527 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,923 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,300 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,357 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,780 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,986 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,036 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,374 |
| Every Country Shape | 0 | - | 5.00 | 467,399 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,086 |
| Flags of North and South America | 0 | - | 4.99 | 374,251 |
| Former Flags | 0 | - | 4.97 | 107,972 |
| Countries by Road Signs | 0 | - | 4.98 | 54,017 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,588 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,519 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,784 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,684 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,881 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,429 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,994 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,540 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 38,451 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 32,483 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,709 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,738 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,393 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,519 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,837 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,347 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,037 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,411 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,041 |
| Flags of Oceania | 0 | - | 5.00 | 260,466 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,685 |
| Similar Flags #1 | 0 | - | 4.75 | 130,271 |
| Similar Flags #2 | 0 | - | 4.74 | 137,558 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,588,628 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,700 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,404 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,641 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,704 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,759 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,260 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,329 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,173 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,064 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,514 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,819 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,346,043 |
| Landlocked Countries | 0 | - | 4.99 | 422,051 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,606 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,765 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,619 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,999 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,484 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,296 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 42,103 |
| Merged Countries #2 | 0 | - | 4.96 | 99,257 |
| Merged Countries #6 | 0 | - | 4.90 | 73,472 |
| Merged Countries #7 | 0 | - | 4.93 | 82,805 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,210 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,855 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,064 |
| Pixelated World Map | 0 | - | 5.00 | 143,632 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,863 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,548 |
| World Coats of Arms | 0 | - | 4.99 | 64,703 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,315 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,493 |
| Himalayan Countries | 0 | - | 4.94 | 138,763 |
| Andean Countries | 0 | - | 4.93 | 84,627 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,827 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,850 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,445 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,819 |
| Danube Countries | 0 | - | 4.97 | 72,019 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,020 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,429 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,328 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,805 |
| European Landlocked Countries | 0 | - | 4.99 | 147,151 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,661 |
| Countries with the Most Species | 0 | - | 4.99 | 103,247 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,778 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,545 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,236 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,667 |
| Countries in the Alps | 0 | - | 4.87 | 118,220 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,166 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,049 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,659 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,599 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,523 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,951 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,687 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,498 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,183 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,662 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,531 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,238 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,480 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,532 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,925 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,316 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,885 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,090 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,977 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,137 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,237 |
| Largest Countries By Category | 0 | - | 4.97 | 158,224 |
| Countries by Countries | 0 | - | 4.96 | 63,234 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,699 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,291 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,032 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,679 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,552,232 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,416 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,056 |
| Random Country Shape to Country | 0 | - | 4.90 | 114,232 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,626 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,522 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,319 |
| Island Countries | 0 | - | 4.99 | 711,070 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,961 |
| Northernmost Countries | 0 | - | 4.99 | 361,993 |
| Countries of South America | 0 | - | 5.00 | 927,438 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,049 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,545 |
| "Land" Countries | 0 | - | 4.98 | 337,356 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,841 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,165 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 184,714 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,823 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,977 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 523,500 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 338,150 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,722,193 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,915 |
| Countries with Megacities | 0 | - | 4.99 | 264,600 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,752 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,475 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,015 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,549 |
| Countries by Official Language | 0 | - | 4.95 | 195,268 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,392 |
| Countries in their Native Language | 0 | - | 4.99 | 199,054 |
| Independence from Whom | 0 | - | 4.99 | 212,117 |
| Subdivisions by Country | 0 | - | 4.86 | 50,432 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,744 |
| Megadiverse Countries | 0 | - | 4.96 | 135,016 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,106 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,364 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,238 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,109 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,147 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,479 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,033 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,662 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,148 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,681 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,886 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,207 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,967 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,353 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,499 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,200 |
| World Map Quiz | 0 | - | 4.81 | 65,098 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,323 |
