| All Country Flags of the World | 0 | - | 5.00 | 3,690,457 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,865 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,186 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,016 |
| Flags with Crescents | 0 | - | 4.98 | 170,616 |
| Country Flag Trivia | 0 | - | 4.81 | 57,580 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,372 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,990 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,030 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,620 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,206 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,560 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,703 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,274 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,786 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,032 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,723 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,976 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,015 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,948 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,952 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,932 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,019 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,818 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,438 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,869 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,906 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,312 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,666 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,787 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,144 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,342 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,426 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,343 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,648 |
| Flags of North and South America | 0 | - | 4.99 | 375,178 |
| Flags to Languages | 0 | - | 4.95 | 174,108 |
| Former Flags | 0 | - | 4.97 | 108,150 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,094 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,814 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,750 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,112 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,934 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,041 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,390 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,987 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,028 |
| Flag Maths | 0 | - | 4.61 | 57,803 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,405 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,963 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,117 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,919 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,571 |
| World Coats of Arms | 0 | - | 4.99 | 64,829 |
| Similar Flags #1 | 0 | - | 4.75 | 130,421 |
| Similar Flags #2 | 0 | - | 4.74 | 137,732 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,077 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,487 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,178 |
| Emoji Flags | 0 | - | 4.35 | 44,199 |
| Countries by Road Signs | 0 | - | 4.98 | 54,138 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,856 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,398 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,754 |
| Select the World Flags | 0 | - | 4.27 | 37,879 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,281 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,039 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,619 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,312 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,393 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,038 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,615 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,938 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,950 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,082 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,122 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,437 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,197 |
| Pixelated World Map | 0 | - | 5.00 | 143,786 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,663 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,447 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,875 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,321 |
| Boundary Waters | 0 | - | 4.92 | 88,639 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,315 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,416 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,945 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,738 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,715 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,747 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,233 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,711 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,204 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,591 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,157 |
| Geography by Picture - B | 0 | - | 4.42 | 55,706 |
| Geography by Picture - H | 0 | - | 4.50 | 58,308 |
| Geography by Picture - N | 0 | - | 4.45 | 42,283 |
| Geography by Picture - R | 0 | - | 4.56 | 41,093 |
| Geography by Picture - T | 0 | - | 4.54 | 57,930 |
| Flags of Oceania | 0 | - | 5.00 | 261,188 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,997 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,259 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,194 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,535 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,144 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,681,072 |
| Flags of WW1 | 0 | - | 4.60 | 38,562 |
| Landlocked Countries | 0 | - | 4.99 | 423,226 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,216 |
| Satellite Images #1 | 0 | - | 4.47 | 129,541 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,451 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,032 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,058 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,070 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,288 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,860 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,783 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,156 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,603 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,624 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,880 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,101 |
| Himalayan Countries | 0 | - | 4.94 | 139,278 |
| Andean Countries | 0 | - | 4.93 | 84,915 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,134 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,291 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,711 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,025 |
| Danube Countries | 0 | - | 4.97 | 72,153 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,222 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,563 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,571 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,083 |
| European Landlocked Countries | 0 | - | 4.99 | 147,300 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,869 |
| Countries with the Most Species | 0 | - | 4.99 | 103,358 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,003 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,655 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,635 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,387 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,804 |
| Countries in the Alps | 0 | - | 4.87 | 118,401 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,841 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,320 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,769 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,738 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,653 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,059 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,844 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,625 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,257 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,978 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,732 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,603 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,341 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,586 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,654 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,222 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,425 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,891 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,278 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,597 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,479 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,332 |
| Largest Countries By Category | 0 | - | 4.97 | 158,436 |
| Countries by Countries | 0 | - | 4.96 | 63,380 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,888 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,330 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,597 |
| Merged Country Flags | 0 | - | 4.88 | 107,088 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,048 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,149 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,917 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,815 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,476 |
| Merged Countries #2 | 0 | - | 4.96 | 99,359 |
| Merged Countries #6 | 0 | - | 4.90 | 73,578 |
| Merged Countries #7 | 0 | - | 4.93 | 82,925 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,830 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,903 |
| Geography by Picture - A | 0 | - | 4.39 | 60,356 |
| Geography by Picture - D | 0 | - | 4.15 | 45,730 |
| Geography by Picture - F | 0 | - | 4.31 | 51,104 |
| Geography by Picture - G | 0 | - | 4.39 | 48,030 |
| Geography by Picture - J | 0 | - | 4.16 | 38,535 |
| Geography by Picture - K | 0 | - | 4.29 | 33,195 |
| Geography by Picture - C | 0 | - | 4.31 | 57,161 |
| Geography by Picture - L | 0 | - | 4.37 | 59,070 |
| Geography by Picture - M | 0 | - | 4.14 | 40,527 |
| Geography by Picture - P | 0 | - | 4.24 | 42,512 |
| Geography by Picture - S | 0 | - | 4.38 | 47,122 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,606 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,546 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,999 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,356 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,387 |
| Longest International Borders | 0 | - | 4.99 | 265,421 |
| Countries with Three Borders | 0 | - | 4.96 | 36,667 |
