| All Country Flags of the World | 0 | - | 5.00 | 3,628,257 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,973 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,640 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,255 |
| Flags with Crescents | 0 | - | 4.98 | 168,373 |
| Country Flag Trivia | 0 | - | 4.81 | 56,361 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,933 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,878 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,485 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,809 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,690 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,354 |
| Flags of North and South America | 0 | - | 4.99 | 370,004 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,778 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,132 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,619 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,774 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,525 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,287 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,270 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,051 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,037 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,856 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,080 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,171 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,938 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,635 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,118 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,470 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,858 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,020 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,009 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,318 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,504 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,642 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,214 |
| Flags to Languages | 0 | - | 4.95 | 172,978 |
| Former Flags | 0 | - | 4.97 | 107,152 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,764 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,188 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,082 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,596 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,383 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,820 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,981 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,331 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,866 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,939 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,954 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,896 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,174 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,600 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,906 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,530 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,375 |
| World Coats of Arms | 0 | - | 4.99 | 64,121 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,228 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,279 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,526 |
| Flag Maths | 0 | - | 4.64 | 57,702 |
| Similar Flags #1 | 0 | - | 4.74 | 129,469 |
| Similar Flags #2 | 0 | - | 4.74 | 136,763 |
| Emoji Flags | 0 | - | 4.35 | 43,917 |
| Countries by Road Signs | 0 | - | 4.98 | 53,392 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,395 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,237 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,549 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,718 |
| Select the World Flags | 0 | - | 4.27 | 37,549 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,097 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,182 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,181 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,836 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,982 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,783 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,339 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,620 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,119 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,556 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,714 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,168 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,902 |
| Pixelated World Map | 0 | - | 5.00 | 142,855 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,701 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,405 |
| Flags of WW1 | 0 | - | 4.60 | 38,150 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,034 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,058 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,597 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,971 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,146 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,710 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,237 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,982 |
| Flags of Oceania | 0 | - | 5.00 | 256,885 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,463 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,694 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,394 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,762 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,219 |
| Geography by Picture - B | 0 | - | 4.42 | 55,494 |
| Geography by Picture - H | 0 | - | 4.50 | 58,110 |
| Geography by Picture - N | 0 | - | 4.45 | 42,107 |
| Geography by Picture - R | 0 | - | 4.56 | 40,932 |
| Geography by Picture - T | 0 | - | 4.54 | 57,745 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,782 |
| Boundary Waters | 0 | - | 4.92 | 88,217 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,954 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,631 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,784 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,102 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,017 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,333 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,148,824 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,262 |
| Merged Countries #2 | 0 | - | 4.96 | 98,697 |
| Merged Countries #6 | 0 | - | 4.90 | 72,948 |
| Merged Countries #7 | 0 | - | 4.93 | 82,203 |
| Satellite Images #1 | 0 | - | 4.46 | 129,167 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,122 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,770 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,760 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,883 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,631 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,277 |
| Landlocked Countries | 0 | - | 4.99 | 416,482 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,376 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,291 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,010 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,711,382 |
| Geography by Picture - A | 0 | - | 4.39 | 60,124 |
| Geography by Picture - D | 0 | - | 4.15 | 45,553 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,861 |
| Geography by Picture - J | 0 | - | 4.16 | 38,379 |
| Geography by Picture - K | 0 | - | 4.29 | 33,052 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,845 |
| Geography by Picture - M | 0 | - | 4.14 | 40,379 |
| Geography by Picture - P | 0 | - | 4.24 | 42,351 |
| Geography by Picture - S | 0 | - | 4.38 | 46,966 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,031 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,376 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,665 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,937 |
| Airline Logos | 0 | - | 4.45 | 140,267 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,245 |
| Islands by Picture | 0 | - | 4.29 | 106,354 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,355 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,323 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,258 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,514 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,666 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,415 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,759 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,638 |
| Island Countries | 0 | - | 4.99 | 708,746 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,848 |
| Himalayan Countries | 0 | - | 4.95 | 136,427 |
| Andean Countries | 0 | - | 4.95 | 83,444 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,713 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,943 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,392 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,993 |
| Danube Countries | 0 | - | 4.97 | 71,377 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,187 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,838 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,119 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,077 |
| European Landlocked Countries | 0 | - | 4.99 | 146,112 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,731 |
| Countries with the Most Species | 0 | - | 4.99 | 101,171 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,868 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,318 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,500 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,137 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,795 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,169 |
| Countries in the Alps | 0 | - | 4.86 | 117,306 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,879 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,848 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,241 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,724 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,799 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,236 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,789 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,318 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,350 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,196 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,706 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,983 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,992 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,671 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,879 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,416 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,213 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,902 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,520 |
