| All Country Flags of the World | 0 | - | 5.00 | 3,593,352 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,471 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,557 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,061 |
| Flags with Crescents | 0 | - | 4.98 | 167,241 |
| Country Flag Trivia | 0 | - | 4.81 | 55,757 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,213 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,330 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,708 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,920 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,288 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,815 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,389 |
| Flags that are Red & White Only | 0 | - | 4.97 | 144,700 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,186 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,041 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,365 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,344 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,006 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,507 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,585 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,403 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,101 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,658 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,163 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,568 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,651 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,247 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,546 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,583 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,803 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,950 |
| Flags of North and South America | 0 | - | 4.99 | 365,280 |
| Flags to Languages | 0 | - | 4.95 | 172,322 |
| Former Flags | 0 | - | 4.97 | 106,511 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,523 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,135 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,640 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,394 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,646 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,388 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,963 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,514 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,353 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,305 |
| Flag Maths | 0 | - | 4.78 | 57,663 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,207 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,889 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,390 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,311 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,250 |
| World Coats of Arms | 0 | - | 4.99 | 63,778 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,275 |
| Similar Flags #1 | 0 | - | 4.74 | 128,943 |
| Similar Flags #2 | 0 | - | 4.74 | 136,204 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,201 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,616 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,638 |
| Emoji Flags | 0 | - | 4.35 | 43,782 |
| Countries by Road Signs | 0 | - | 4.98 | 52,958 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,940 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,941 |
| Select the World Flags | 0 | - | 4.27 | 37,355 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,199 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,510 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,980 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,626 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,758 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,648 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,186 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,290 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,929 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,325 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,680 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,802 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,367 |
| Pixelated World Map | 0 | - | 5.00 | 141,722 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,097 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,268 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,598 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,902 |
| Boundary Waters | 0 | - | 4.92 | 87,987 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,782 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,163 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,114 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,752 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,640 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,179 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,881 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,009 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,506 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,119 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,889 |
| Geography by Picture - B | 0 | - | 4.42 | 55,382 |
| Geography by Picture - H | 0 | - | 4.49 | 58,015 |
| Geography by Picture - N | 0 | - | 4.45 | 42,030 |
| Geography by Picture - R | 0 | - | 4.55 | 40,862 |
| Geography by Picture - T | 0 | - | 4.54 | 57,647 |
| Flags of Oceania | 0 | - | 5.00 | 254,544 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,612 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,335 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,933 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,271 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,618 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,845,058 |
| Flags of WW1 | 0 | - | 4.60 | 37,866 |
| Landlocked Countries | 0 | - | 4.99 | 412,821 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,338 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,952 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,950 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,615 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,612 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,774 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,260 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,730 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,100 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,892 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,453 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,829 |
| World Capitals Quiz | 0 | - | 5.00 | 5,024,935 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,204 |
| Himalayan Countries | 0 | - | 4.95 | 135,030 |
| Andean Countries | 0 | - | 4.94 | 82,647 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,073 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,966 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,744 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,452 |
| Danube Countries | 0 | - | 4.97 | 70,986 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,629 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,268 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,182 |
| European Landlocked Countries | 0 | - | 4.99 | 145,658 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,034 |
| Countries with the Most Species | 0 | - | 4.99 | 95,179 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,179 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,904 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,500 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,860 |
| Countries in the Alps | 0 | - | 4.87 | 116,674 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,459 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,049 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,314 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,058 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,932 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,675 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,040 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,963 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,163 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,992 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,356 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,667 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,845 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,554 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,195 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,656 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,790 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,336 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,527 |
| Largest Countries By Category | 0 | - | 4.97 | 156,595 |
| Countries by Countries | 0 | - | 4.96 | 62,155 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,199 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,928 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,303 |
| Merged Country Flags | 0 | - | 4.88 | 105,906 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,358 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,990 |
| Colourful Countries of the World | 0 | - | 4.99 | 58,957 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,647 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,161 |
| Merged Countries #2 | 0 | - | 4.96 | 98,376 |
| Merged Countries #6 | 0 | - | 4.91 | 72,629 |
| Merged Countries #7 | 0 | - | 4.93 | 81,872 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,620 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,453 |
| Geography by Picture - A | 0 | - | 4.39 | 60,016 |
| Geography by Picture - D | 0 | - | 4.15 | 45,465 |
| Geography by Picture - F | 0 | - | 4.31 | 50,804 |
| Geography by Picture - G | 0 | - | 4.38 | 47,773 |
| Geography by Picture - J | 0 | - | 4.16 | 38,313 |
| Geography by Picture - K | 0 | - | 4.28 | 32,995 |
| Geography by Picture - C | 0 | - | 4.31 | 56,890 |
| Geography by Picture - L | 0 | - | 4.37 | 58,727 |
| Geography by Picture - M | 0 | - | 4.14 | 40,326 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,893 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,475 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,210 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,396 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,116 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,537 |
| Longest International Borders | 0 | - | 4.99 | 263,354 |
| Countries with Three Borders | 0 | - | 4.96 | 36,127 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,548 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,594 |
