| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,316 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,729 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,237 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,554 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,746 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,926 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,699 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,821 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,827 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,554 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,864 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,957 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,716 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,435 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,933 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,349 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,757 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,767 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,044 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,216 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,372 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,116 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,682 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,897 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,547 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,199 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,088 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,748 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,796 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,169 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,722 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,343 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,729 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,697 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,687 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,147 |
| Every Country Shape | 0 | - | 5.00 | 459,978 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,472 |
| Flags of North and South America | 0 | - | 4.99 | 368,344 |
| Former Flags | 0 | - | 4.97 | 106,866 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,967 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,003 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,564 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,214 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,545 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 294,726 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,500 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,964 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,762 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,465 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,769 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,392 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,413 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,120 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,659 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,142 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,730 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,266 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,066 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,957 |
| Flags of Oceania | 0 | - | 5.00 | 255,862 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,077 |
| Countries by Road Signs | 0 | - | 4.98 | 53,212 |
| Similar Flags #1 | 0 | - | 4.74 | 129,253 |
| Similar Flags #2 | 0 | - | 4.74 | 136,511 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,745 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,439 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,718 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,674 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,910 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,676 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,436 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,098 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,933 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,746 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,669 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,603 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,241,467 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,943 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,699 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,851 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,557 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,091 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,883 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,718 |
| Merged Countries #2 | 0 | - | 4.96 | 98,544 |
| Merged Countries #6 | 0 | - | 4.90 | 72,794 |
| Merged Countries #7 | 0 | - | 4.92 | 82,043 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,002,032 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,537,956 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,567 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,039 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,497 |
| Pixelated World Map | 0 | - | 5.00 | 142,580 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,425 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,306 |
| World Coats of Arms | 0 | - | 4.99 | 63,963 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,885 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,472 |
| Random Country Shape to Country | 0 | - | 4.90 | 111,293 |
| Landlocked Countries | 0 | - | 4.99 | 414,614 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 85,673 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,830 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 182,516 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 182,995 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,035 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 519,037 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 334,665 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,707,555 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,943 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,207 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,496 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,353 |
| Island Countries | 0 | - | 4.99 | 708,021 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,007 |
| Himalayan Countries | 0 | - | 4.95 | 135,711 |
| Andean Countries | 0 | - | 4.94 | 83,030 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,379 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,446 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,738 |
| Danube Countries | 0 | - | 4.97 | 71,184 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,905 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,641 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,708 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,613 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,369 |
| Countries with the Most Species | 0 | - | 4.99 | 95,300 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,537 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,239 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,406 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,657 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,025 |
| Countries in the Alps | 0 | - | 4.86 | 116,987 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,684 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,462 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,109 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,298 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,702 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,843 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,600 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,155 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,234 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,102 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,541 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,831 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,304 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,739 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,312 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,947 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,866 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,002 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,683 |
| Largest Countries By Category | 0 | - | 4.97 | 156,912 |
| Countries by Countries | 0 | - | 4.96 | 62,369 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,152 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,553 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,359 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,057 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,215 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,863 |
| Every American Country by Shape | 0 | - | 4.79 | 37,105 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,436 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,823 |
| Northernmost Countries | 0 | - | 4.99 | 358,279 |
| Countries of South America | 0 | - | 5.00 | 916,633 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,649 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,877 |
| "Land" Countries | 0 | - | 4.98 | 333,920 |
| Cross Flags of Europe | 0 | - | 4.43 | 297,137 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 74,793 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,813 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,065 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,708 |
| Countries with Megacities | 0 | - | 4.99 | 247,766 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,560 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,239 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,962 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,185 |
| Countries by Official Language | 0 | - | 4.95 | 192,984 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,435 |
| Countries in their Native Language | 0 | - | 4.99 | 196,842 |
| Independence from Whom | 0 | - | 4.99 | 209,958 |
| Subdivisions by Country | 0 | - | 4.86 | 50,115 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,934 |
| Megadiverse Countries | 0 | - | 4.97 | 133,982 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,011 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,967 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,482 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,887 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,788 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,072 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,217 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,234 |