| All Country Flags of the World | 0 | - | 5.00 | 3,610,675 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,860 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,128 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,177 |
| Flags with Crescents | 0 | - | 4.98 | 167,830 |
| Country Flag Trivia | 0 | - | 4.81 | 56,064 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,582 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,573 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,084 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,150 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,259 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,678 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,195 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,539 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,657 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,902 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,647 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,806 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,809 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,544 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,850 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,946 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,703 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,425 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,926 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,345 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,748 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,854 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,735 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,011 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,169 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,338 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,105 |
| Flags of North and South America | 0 | - | 4.99 | 368,224 |
| Flags to Languages | 0 | - | 4.95 | 172,654 |
| Former Flags | 0 | - | 4.97 | 106,860 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,677 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,168 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,885 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,045 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,746 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,680 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,158 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,712 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,656 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,616 |
| Flag Maths | 0 | - | 4.78 | 57,689 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,545 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,035 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,488 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,422 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,305 |
| World Coats of Arms | 0 | - | 4.99 | 63,954 |
| Similar Flags #1 | 0 | - | 4.74 | 129,243 |
| Similar Flags #2 | 0 | - | 4.74 | 136,495 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,522 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,942 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,091 |
| Emoji Flags | 0 | - | 4.35 | 43,850 |
| Countries by Road Signs | 0 | - | 4.98 | 53,204 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,109 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,027 |
| Countries by Partial Flag Images #8 | 0 | - | 4.80 | 20,503 |
| Select the World Flags | 0 | - | 4.27 | 37,437 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,380 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,626 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,095 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,728 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,876 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,723 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,255 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,451 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,024 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,442 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,928 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,093 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,622 |
| Pixelated World Map | 0 | - | 5.00 | 142,564 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,351 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,496 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,802 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,976 |
| Boundary Waters | 0 | - | 4.92 | 88,091 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,856 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,402 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,463 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,926 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,828 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,367 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,932 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,069 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,609 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,179 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,936 |
| Geography by Picture - B | 0 | - | 4.42 | 55,444 |
| 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 | 57,703 |
| Flags of Oceania | 0 | - | 5.00 | 255,806 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,053 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,526 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,188 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,535 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,929 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,993,062 |
| Flags of WW1 | 0 | - | 4.60 | 38,011 |
| Landlocked Countries | 0 | - | 4.99 | 414,491 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,510 |
| Satellite Images #1 | 0 | - | 4.46 | 129,062 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,030 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,683 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,685 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,831 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,444 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,745 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,231 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,105 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,975 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,203 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,626 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,957 |
| Himalayan Countries | 0 | - | 4.95 | 135,667 |
| Andean Countries | 0 | - | 4.94 | 83,011 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,364 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,416 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,056 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,726 |
| Danube Countries | 0 | - | 4.97 | 71,168 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,629 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,684 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,585 |
| European Landlocked Countries | 0 | - | 4.99 | 145,871 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,351 |
| Countries with the Most Species | 0 | - | 4.99 | 95,297 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,504 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,233 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,402 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,010 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,649 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,019 |
| Countries in the Alps | 0 | - | 4.86 | 116,968 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,674 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,433 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,100 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,505 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,284 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,079 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,682 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,831 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,575 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,139 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,229 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,095 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,523 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,822 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,825 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,266 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,728 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,305 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,919 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,788 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,969 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,680 |
| Largest Countries By Category | 0 | - | 4.97 | 156,900 |
| Countries by Countries | 0 | - | 4.96 | 62,351 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,536 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,996 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| Merged Country Flags | 0 | - | 4.88 | 106,104 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,015 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,203 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,129 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,849 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,083 |
| Merged Countries #2 | 0 | - | 4.96 | 98,535 |
| Merged Countries #6 | 0 | - | 4.90 | 72,788 |
| Merged Countries #7 | 0 | - | 4.92 | 82,035 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,802 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,519 |
| Geography by Picture - A | 0 | - | 4.39 | 60,071 |
| Geography by Picture - D | 0 | - | 4.15 | 45,519 |
| Geography by Picture - F | 0 | - | 4.31 | 50,851 |
| Geography by Picture - G | 0 | - | 4.38 | 47,817 |
| 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 | 56,936 |
| Geography by Picture - L | 0 | - | 4.37 | 58,788 |
| Geography by Picture - M | 0 | - | 4.14 | 40,359 |
| Geography by Picture - P | 0 | - | 4.24 | 42,319 |
| Geography by Picture - S | 0 | - | 4.38 | 46,932 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,618 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,260 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,494 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,677 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,693 |
| Longest International Borders | 0 | - | 4.99 | 263,964 |
| Countries with Three Borders | 0 | - | 4.96 | 36,245 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,646 |
