| All Country Flags of the World | 0 | - | 5.00 | 3,656,743 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,006 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,293 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,029 |
| Flags with Crescents | 0 | - | 4.98 | 169,338 |
| Country Flag Trivia | 0 | - | 4.81 | 56,935 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,616 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,385 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,242 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,195 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,726 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,497 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,741 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,247 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,130 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,158 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,858 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,971 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,425 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,396 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,330 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,429 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,534 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,314 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,998 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,437 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,672 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,056 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,304 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,344 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,664 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,884 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,985 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,789 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,401 |
| Flags of North and South America | 0 | - | 4.99 | 372,566 |
| Flags to Languages | 0 | - | 4.95 | 173,529 |
| Former Flags | 0 | - | 4.97 | 107,614 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,904 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,480 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,382 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,929 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,369 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,658 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,091 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,425 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,441 |
| Flag Maths | 0 | - | 4.64 | 57,754 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,455 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,422 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,776 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,718 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,473 |
| World Coats of Arms | 0 | - | 4.99 | 64,432 |
| Similar Flags #1 | 0 | - | 4.75 | 129,921 |
| Similar Flags #2 | 0 | - | 4.74 | 137,217 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,454 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,663 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,259 |
| Emoji Flags | 0 | - | 4.35 | 44,055 |
| Countries by Road Signs | 0 | - | 4.98 | 53,729 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,535 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,236 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,604 |
| Select the World Flags | 0 | - | 4.27 | 37,705 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,892 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,875 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,351 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,045 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 67,136 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,889 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,456 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,361 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,350 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,779 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,612 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,198 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,665 |
| Pixelated World Map | 0 | - | 5.00 | 143,291 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,394 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,038 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,419 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,181 |
| Boundary Waters | 0 | - | 4.92 | 88,426 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,123 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,002 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,320 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,408 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,335 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,990 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,054 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,325 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,047 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,406 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,106 |
| Geography by Picture - B | 0 | - | 4.42 | 55,589 |
| Geography by Picture - H | 0 | - | 4.50 | 58,211 |
| Geography by Picture - N | 0 | - | 4.45 | 42,191 |
| Geography by Picture - R | 0 | - | 4.56 | 41,012 |
| Geography by Picture - T | 0 | - | 4.54 | 57,825 |
| Flags of Oceania | 0 | - | 5.00 | 258,652 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,133 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,959 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,773 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,102 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,650 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,392,138 |
| Flags of WW1 | 0 | - | 4.60 | 38,341 |
| Landlocked Countries | 0 | - | 4.99 | 419,675 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,010 |
| Satellite Images #1 | 0 | - | 4.47 | 129,335 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,273 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,890 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,894 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,964 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,934 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,817 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,538 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,727 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,816 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,033 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,332 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,305 |
| Himalayan Countries | 0 | - | 4.95 | 137,738 |
| Andean Countries | 0 | - | 4.95 | 84,082 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,324 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,858 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,955 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,437 |
| Danube Countries | 0 | - | 4.97 | 71,736 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,659 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,137 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,785 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,865 |
| European Landlocked Countries | 0 | - | 4.99 | 146,859 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,232 |
| Countries with the Most Species | 0 | - | 4.99 | 102,998 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,392 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,456 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,618 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,368 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,042 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,438 |
| Countries in the Alps | 0 | - | 4.87 | 117,811 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,214 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,529 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,466 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,261 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,195 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,777 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,370 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,260 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,020 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,624 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,523 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,369 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,991 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,255 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,273 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,341 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,116 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,621 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,651 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,713 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,430 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,039 |
| Largest Countries By Category | 0 | - | 4.97 | 157,783 |
| Countries by Countries | 0 | - | 4.96 | 62,922 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,324 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,180 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,486 |
| Merged Country Flags | 0 | - | 4.88 | 106,679 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,793 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,719 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,582 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,408 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,736 |
| Merged Countries #2 | 0 | - | 4.96 | 98,992 |
| Merged Countries #6 | 0 | - | 4.90 | 73,202 |
| Merged Countries #7 | 0 | - | 4.93 | 82,546 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,469 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,769 |
| Geography by Picture - A | 0 | - | 4.39 | 60,231 |
| Geography by Picture - D | 0 | - | 4.15 | 45,648 |
| Geography by Picture - F | 0 | - | 4.31 | 50,986 |
| Geography by Picture - G | 0 | - | 4.38 | 47,938 |
| Geography by Picture - J | 0 | - | 4.16 | 38,454 |
| Geography by Picture - K | 0 | - | 4.29 | 33,120 |
| Geography by Picture - C | 0 | - | 4.31 | 57,055 |
| Geography by Picture - L | 0 | - | 4.37 | 58,941 |
| Geography by Picture - M | 0 | - | 4.14 | 40,446 |
| Geography by Picture - P | 0 | - | 4.24 | 42,426 |
| Geography by Picture - S | 0 | - | 4.38 | 47,034 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,299 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,414 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,780 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,316 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,125 |
| Longest International Borders | 0 | - | 4.99 | 264,797 |
| Countries with Three Borders | 0 | - | 4.96 | 36,495 |
