| All Country Flags of the World | 0 | - | 5.00 | 3,631,077 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,373 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,849 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,502 |
| Flags with Crescents | 0 | - | 4.98 | 168,486 |
| Country Flag Trivia | 0 | - | 4.81 | 56,433 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,009 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,934 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,568 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,855 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,726 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,403 |
| 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 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,045 |
| 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 With Blue and White Flags | 0 | - | 4.90 | 98,236 |
| Flags of North and South America | 0 | - | 4.99 | 370,243 |
| Flags to Languages | 0 | - | 4.95 | 173,034 |
| Former Flags | 0 | - | 4.97 | 107,182 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,780 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,211 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,103 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,422 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,626 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,828 |
| 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 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,990 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,002 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,372 |
| Flag Maths | 0 | - | 4.64 | 57,709 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,940 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,198 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,613 |
| 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 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,960 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,266 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,598 |
| Similar Flags #1 | 0 | - | 4.74 | 129,511 |
| Similar Flags #2 | 0 | - | 4.74 | 136,801 |
| Emoji Flags | 0 | - | 4.35 | 43,933 |
| Countries by Road Signs | 0 | - | 4.98 | 53,428 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,261 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,109 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,536 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,569 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,729 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,218 |
| 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 by Partial Satellite Image #1 | 0 | - | 4.75 | 44,348 |
| 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 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,878 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,218 |
| Pixelated World Map | 0 | - | 5.00 | 142,899 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,022 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,755 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,421 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,066 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,072 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,631 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,977 |
| 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 | 35,989 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,018 |
| Geography by Picture - B | 0 | - | 4.42 | 55,505 |
| Geography by Picture - H | 0 | - | 4.50 | 58,120 |
| Geography by Picture - N | 0 | - | 4.45 | 42,115 |
| Geography by Picture - R | 0 | - | 4.56 | 40,940 |
| Geography by Picture - T | 0 | - | 4.54 | 57,752 |
| Flags of Oceania | 0 | - | 5.00 | 257,040 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,514 |
| Flags of WW1 | 0 | - | 4.60 | 38,171 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,710 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,425 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,795 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,254 |
| Boundary Waters | 0 | - | 4.92 | 88,237 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,970 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,661 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,826 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,132 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,048 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,172,137 |
| Landlocked Countries | 0 | - | 4.99 | 416,768 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 562,158 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,279 |
| Satellite Images #1 | 0 | - | 4.46 | 129,183 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,144 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,783 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,781 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,889 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,659 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,784 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,300 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,297 |
| Merged Countries #2 | 0 | - | 4.96 | 98,732 |
| Merged Countries #6 | 0 | - | 4.90 | 72,966 |
| Merged Countries #7 | 0 | - | 4.93 | 82,235 |
| Geography by Picture - A | 0 | - | 4.39 | 60,136 |
| Geography by Picture - D | 0 | - | 4.15 | 45,562 |
| Geography by Picture - F | 0 | - | 4.31 | 50,896 |
| Geography by Picture - G | 0 | - | 4.38 | 47,868 |
| Geography by Picture - J | 0 | - | 4.16 | 38,388 |
| Geography by Picture - K | 0 | - | 4.29 | 33,062 |
| Geography by Picture - C | 0 | - | 4.31 | 56,992 |
| Geography by Picture - L | 0 | - | 4.37 | 58,851 |
| Geography by Picture - M | 0 | - | 4.14 | 40,389 |
| Geography by Picture - P | 0 | - | 4.24 | 42,360 |
| Geography by Picture - S | 0 | - | 4.38 | 46,971 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,253 |
| Islands by Picture | 0 | - | 4.29 | 106,395 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,378 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,354 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,302 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,554 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,957 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,378 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,088 |
| 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 |
| 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 | 69,913 |
| 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 |
| 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 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 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,435 |
| 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 | 106,598 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,839 |
| Largest Countries By Category | 0 | - | 4.97 | 157,282 |
| Countries by Countries | 0 | - | 4.96 | 62,597 |
| 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 |
| Merged Country Flags | 0 | - | 4.88 | 106,345 |
