| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,939 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,198 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,613 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,839 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,172 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,691 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,810 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,589 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,334 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,332 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,080 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,065 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,895 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,119 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,208 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,968 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,667 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,152 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,493 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,885 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,032 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,352 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,546 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,674 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,551 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,379 |
| World Coats of Arms | 0 | - | 4.99 | 64,145 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,236 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,780 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,103 |
| Countries by Road Signs | 0 | - | 4.98 | 53,428 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,422 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,828 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,649 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,135 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,568 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,211 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,365 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,894 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,172,096 |
| Merged Countries #2 | 0 | - | 4.96 | 98,732 |
| Merged Countries #6 | 0 | - | 4.90 | 72,965 |
| Merged Countries #7 | 0 | - | 4.93 | 82,235 |
| Landlocked Countries | 0 | - | 4.99 | 416,768 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,369 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,579 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,761 |
| Every Country Shape | 0 | - | 5.00 | 461,876 |
| Flags of North and South America | 0 | - | 4.99 | 370,243 |
| Pixelated World Map | 0 | - | 5.00 | 142,899 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,291 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,266 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,154 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,731 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,240 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,988 |
| Former Flags | 0 | - | 4.97 | 107,182 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,812 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,987 |
| Himalayan Countries | 0 | - | 4.95 | 136,546 |
| Andean Countries | 0 | - | 4.95 | 83,511 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,773 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,037 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,443 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,040 |
| Danube Countries | 0 | - | 4.97 | 71,440 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,232 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,856 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,174 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,158 |
| European Landlocked Countries | 0 | - | 4.99 | 146,139 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,789 |
| Countries with the Most Species | 0 | - | 4.99 | 101,825 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,912 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,338 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,517 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,166 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,814 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,198 |
| Countries in the Alps | 0 | - | 4.86 | 117,345 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,917 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,929 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,260 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,753 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,835 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,265 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,404 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,589 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,999 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,814 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,340 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,371 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,206 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,735 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,009 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,196 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,861 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,995 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,792 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,018 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,739 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,905 |
| Similar Flags #1 | 0 | - | 4.74 | 129,511 |
| Similar Flags #2 | 0 | - | 4.74 | 136,801 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,435 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,262 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,062 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,597 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,838 |
| Largest Countries By Category | 0 | - | 4.97 | 157,282 |
| Countries by Countries | 0 | - | 4.96 | 62,597 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,425 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,884 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,082 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,094 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,189 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,894 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,524 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,476 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,733 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,015 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,662 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,651 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,291 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,843 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,348 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,911 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,957 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,863 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,867 |
| Island Countries | 0 | - | 4.99 | 708,861 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,700 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,477 |
| Northernmost Countries | 0 | - | 4.99 | 359,427 |
| Countries of South America | 0 | - | 5.00 | 919,821 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,967 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,089 |
| "Land" Countries | 0 | - | 4.98 | 334,645 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,711,920 |
| All Country Flags of the World | 0 | - | 5.00 | 3,631,067 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,016 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,692 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,950 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,959 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,139 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,811 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 29,565 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,270,643 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,990 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,100 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,885 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,322 |
| Countries with Megacities | 0 | - | 4.99 | 249,033 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,168 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,566 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,516 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,538 |
| Countries by Official Language | 0 | - | 4.95 | 194,036 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,657 |
| Countries in their Native Language | 0 | - | 4.99 | 197,655 |
| Independence from Whom | 0 | - | 4.99 | 210,836 |
| Subdivisions by Country | 0 | - | 4.86 | 50,204 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,354 |
| Megadiverse Countries | 0 | - | 4.96 | 134,548 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,853 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,080 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,633 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,949 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,456 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,229 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,613 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,556 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,377 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,808 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,225 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,582 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,690 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,649 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,866 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,208 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,600 |
| World Map Quiz | 0 | - | 4.81 | 64,108 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,430 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,708 |
| Countries by Founding Story | 0 | - | 4.95 | 76,884 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,074 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,678 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,405 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,734 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,280 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,475 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,639 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,153 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,647 |
| Widest Countries East to West | 0 | - | 4.92 | 129,145 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,332 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,667 |