| All Country Flags of the World | 0 | - | 5.00 | 3,610,016 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,768 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,082 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,144 |
| Flags with Crescents | 0 | - | 4.98 | 167,814 |
| Country Flag Trivia | 0 | - | 4.81 | 56,051 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,571 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,565 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,075 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,137 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,224 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,647 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,171 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,527 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,599 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,881 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,617 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,794 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,794 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,531 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,843 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,932 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,694 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,418 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,919 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,341 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,744 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,851 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,712 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,981 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,136 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,313 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,098 |
| Flags of North and South America | 0 | - | 4.99 | 368,173 |
| Flags to Languages | 0 | - | 4.95 | 172,649 |
| Former Flags | 0 | - | 4.97 | 106,844 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,674 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,167 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,879 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,006 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,744 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,601 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,149 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,704 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,644 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,603 |
| Flag Maths | 0 | - | 4.78 | 57,689 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,532 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,030 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,487 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,416 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,304 |
| World Coats of Arms | 0 | - | 4.99 | 63,946 |
| Similar Flags #1 | 0 | - | 4.74 | 129,230 |
| Similar Flags #2 | 0 | - | 4.74 | 136,485 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,515 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,929 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,089 |
| Emoji Flags | 0 | - | 4.35 | 43,848 |
| Countries by Road Signs | 0 | - | 4.98 | 53,197 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,102 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,022 |
| Countries by Partial Flag Images #8 | 0 | - | 4.80 | 20,176 |
| Select the World Flags | 0 | - | 4.27 | 37,434 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,375 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,621 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,093 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,725 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,872 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,721 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,253 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,449 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,021 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,439 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,920 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,951 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,546 |
| Pixelated World Map | 0 | - | 5.00 | 142,553 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,303 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,490 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,797 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,975 |
| Boundary Waters | 0 | - | 4.92 | 88,085 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,854 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,396 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,455 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,919 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,821 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,361 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,931 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,066 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,606 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,177 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,934 |
| Geography by Picture - B | 0 | - | 4.42 | 55,440 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,894 |
| Geography by Picture - T | 0 | - | 4.54 | 57,701 |
| Flags of Oceania | 0 | - | 5.00 | 255,761 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,037 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,518 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,173 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,528 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,915 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,987,728 |
| Flags of WW1 | 0 | - | 4.60 | 38,007 |
| Landlocked Countries | 0 | - | 4.99 | 414,438 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,346 |
| Satellite Images #1 | 0 | - | 4.46 | 129,061 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,027 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,682 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,684 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,830 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,441 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,222 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,093 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,966 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,197 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,079 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,933 |
| Himalayan Countries | 0 | - | 4.95 | 135,644 |
| Andean Countries | 0 | - | 4.94 | 82,994 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,397 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,045 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,719 |
| Danube Countries | 0 | - | 4.97 | 71,161 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,875 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,623 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,664 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,565 |
| European Landlocked Countries | 0 | - | 4.99 | 145,864 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,334 |
| Countries with the Most Species | 0 | - | 4.99 | 95,290 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,483 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,229 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,647 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,011 |
| Countries in the Alps | 0 | - | 4.86 | 116,958 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,662 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,426 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,083 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,493 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,271 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,076 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,675 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,827 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,133 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,227 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,091 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,814 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,247 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,724 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,303 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,880 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,747 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,940 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Largest Countries By Category | 0 | - | 4.97 | 156,891 |
| Countries by Countries | 0 | - | 4.96 | 62,341 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,530 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| Merged Country Flags | 0 | - | 4.88 | 106,100 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,993 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,200 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,127 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,844 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,493 |
| Merged Countries #2 | 0 | - | 4.96 | 98,530 |
| Merged Countries #6 | 0 | - | 4.90 | 72,782 |
| Merged Countries #7 | 0 | - | 4.92 | 82,031 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,795 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,518 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,518 |
| Geography by Picture - F | 0 | - | 4.31 | 50,846 |
| Geography by Picture - G | 0 | - | 4.38 | 47,816 |
| Geography by Picture - J | 0 | - | 4.16 | 38,350 |
| Geography by Picture - K | 0 | - | 4.29 | 33,032 |
| Geography by Picture - C | 0 | - | 4.31 | 56,933 |
| Geography by Picture - L | 0 | - | 4.37 | 58,786 |
| Geography by Picture - M | 0 | - | 4.14 | 40,357 |
| Geography by Picture - P | 0 | - | 4.24 | 42,318 |
| Geography by Picture - S | 0 | - | 4.38 | 46,932 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,612 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,259 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,488 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,657 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,688 |
| Longest International Borders | 0 | - | 4.99 | 263,952 |
| Countries with Three Borders | 0 | - | 4.96 | 36,243 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,642 |
