| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,936 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,195 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,610 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,833 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,170 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,685 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,806 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,586 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,327 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,328 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,079 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,063 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,893 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,114 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,204 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,965 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,664 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,150 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,492 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,879 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,031 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,348 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,545 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,672 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,548 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,379 |
| World Coats of Arms | 0 | - | 4.99 | 64,144 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,235 |
| 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 | 53,426 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,421 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,826 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,647 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,134 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,565 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,191 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,362 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,892 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,170,405 |
| Merged Countries #2 | 0 | - | 4.96 | 98,723 |
| Merged Countries #6 | 0 | - | 4.90 | 72,962 |
| Merged Countries #7 | 0 | - | 4.93 | 82,232 |
| Landlocked Countries | 0 | - | 4.99 | 416,739 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,363 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,575 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,759 |
| Every Country Shape | 0 | - | 5.00 | 461,847 |
| Flags of North and South America | 0 | - | 4.99 | 370,220 |
| Pixelated World Map | 0 | - | 5.00 | 142,892 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,139 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,265 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,153 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,727 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,240 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,987 |
| Former Flags | 0 | - | 4.97 | 107,178 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,808 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,975 |
| Himalayan Countries | 0 | - | 4.95 | 136,535 |
| Andean Countries | 0 | - | 4.95 | 83,507 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,772 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,030 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,437 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,039 |
| Danube Countries | 0 | - | 4.97 | 71,440 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,225 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,854 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,170 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,150 |
| European Landlocked Countries | 0 | - | 4.99 | 146,137 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,783 |
| Countries with the Most Species | 0 | - | 4.99 | 101,786 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,910 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,336 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,516 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,165 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,813 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,195 |
| Countries in the Alps | 0 | - | 4.86 | 117,342 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,914 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,926 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,259 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,750 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,833 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,260 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,401 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,586 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,997 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,810 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,334 |
| 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 | 103,733 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,006 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,195 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,859 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,995 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,790 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,733 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,902 |
| Similar Flags #1 | 0 | - | 4.74 | 129,509 |
| Similar Flags #2 | 0 | - | 4.74 | 136,800 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,434 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,347 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,258 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,055 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,591 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,836 |
| Largest Countries By Category | 0 | - | 4.97 | 157,274 |
| 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 | 137,882 |
| 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 | 88,092 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,189 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,893 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,520 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,468 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,731 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,012 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,660 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,649 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,290 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,841 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,347 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,906 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,933 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,859 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,846 |
| Island Countries | 0 | - | 4.99 | 708,851 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,647 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,445 |
| Northernmost Countries | 0 | - | 4.99 | 359,416 |
| Countries of South America | 0 | - | 5.00 | 919,793 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,889 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,019 |
| "Land" Countries | 0 | - | 4.98 | 334,639 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,711,876 |
| All Country Flags of the World | 0 | - | 5.00 | 3,630,886 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,013 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,689 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,948 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,955 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,136 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,811 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 29,556 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,270,374 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,982 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,072 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,878 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,310 |
| Countries with Megacities | 0 | - | 4.99 | 249,014 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,158 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,563 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,528 |
| Countries by Official Language | 0 | - | 4.95 | 194,029 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,629 |
| Countries in their Native Language | 0 | - | 4.99 | 197,647 |
| Independence from Whom | 0 | - | 4.99 | 210,828 |
| Subdivisions by Country | 0 | - | 4.86 | 50,204 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,346 |
| Megadiverse Countries | 0 | - | 4.96 | 134,546 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,849 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,079 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,633 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,453 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,227 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,609 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,552 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,375 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,808 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,210 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,582 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,689 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,648 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,863 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,204 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,594 |
| World Map Quiz | 0 | - | 4.81 | 64,105 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,413 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,708 |
| Countries by Founding Story | 0 | - | 4.95 | 76,881 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,069 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,676 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,404 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,726 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,275 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,472 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,634 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,151 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,645 |
| Widest Countries East to West | 0 | - | 4.92 | 129,143 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,331 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,662 |