| All Country Flags of the World | 0 | - | 5.00 | 3,689,756 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,745 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,117 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,976 |
| Flags with Crescents | 0 | - | 4.98 | 170,591 |
| Country Flag Trivia | 0 | - | 4.81 | 57,563 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,354 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,976 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,014 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,610 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,622 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,512 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,649 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,222 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,748 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,993 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,666 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,925 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,981 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,920 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,928 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,920 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,990 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,808 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,418 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,857 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,899 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,302 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,648 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,767 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,120 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,330 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,406 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,317 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,634 |
| Flags of North and South America | 0 | - | 4.99 | 375,106 |
| Flags to Languages | 0 | - | 4.95 | 174,087 |
| Former Flags | 0 | - | 4.97 | 108,132 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,080 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,802 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,739 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,105 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,859 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,028 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,377 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,975 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,012 |
| Flag Maths | 0 | - | 4.61 | 57,803 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,393 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,957 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,115 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,917 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,567 |
| World Coats of Arms | 0 | - | 4.99 | 64,826 |
| Similar Flags #1 | 0 | - | 4.75 | 130,408 |
| Similar Flags #2 | 0 | - | 4.74 | 137,719 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,053 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,461 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,157 |
| Emoji Flags | 0 | - | 4.35 | 44,192 |
| Countries by Road Signs | 0 | - | 4.98 | 54,128 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,849 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,394 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,725 |
| Select the World Flags | 0 | - | 4.27 | 37,875 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,270 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,037 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,611 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,308 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,388 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,036 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,611 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,924 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,947 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,077 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,106 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,229 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,116 |
| Pixelated World Map | 0 | - | 5.00 | 143,778 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,562 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,431 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,869 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,316 |
| Boundary Waters | 0 | - | 4.92 | 88,637 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,310 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,408 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,932 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,729 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,704 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,737 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,229 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,710 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,201 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,591 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,156 |
| Geography by Picture - B | 0 | - | 4.42 | 55,702 |
| Geography by Picture - H | 0 | - | 4.50 | 58,304 |
| Geography by Picture - N | 0 | - | 4.45 | 42,280 |
| Geography by Picture - R | 0 | - | 4.56 | 41,091 |
| Geography by Picture - T | 0 | - | 4.54 | 57,927 |
| Flags of Oceania | 0 | - | 5.00 | 261,127 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,970 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,251 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,186 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,523 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,135 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,674,813 |
| Flags of WW1 | 0 | - | 4.60 | 38,559 |
| Landlocked Countries | 0 | - | 4.99 | 423,148 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,927 |
| Satellite Images #1 | 0 | - | 4.47 | 129,534 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,448 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,028 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,054 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,067 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,273 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,859 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,775 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,147 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,590 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,611 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,462 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,065 |
| Himalayan Countries | 0 | - | 4.94 | 139,240 |
| Andean Countries | 0 | - | 4.93 | 84,897 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,120 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,263 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,695 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,015 |
| Danube Countries | 0 | - | 4.97 | 72,146 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,206 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,554 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,556 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,069 |
| European Landlocked Countries | 0 | - | 4.99 | 147,291 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,855 |
| Countries with the Most Species | 0 | - | 4.99 | 103,356 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,984 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,652 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,772 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,630 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,378 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,798 |
| Countries in the Alps | 0 | - | 4.87 | 118,380 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,810 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,312 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,765 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,731 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,647 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,049 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,833 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,616 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,253 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,972 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,726 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,599 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,336 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,578 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,648 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,196 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,417 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,847 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,263 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,551 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,460 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,322 |
| Largest Countries By Category | 0 | - | 4.97 | 158,424 |
| Countries by Countries | 0 | - | 4.96 | 63,370 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,868 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,329 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,593 |
| Merged Country Flags | 0 | - | 4.88 | 107,077 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,020 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,135 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,906 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,808 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,884 |
| Merged Countries #2 | 0 | - | 4.96 | 99,353 |
| Merged Countries #6 | 0 | - | 4.90 | 73,572 |
| Merged Countries #7 | 0 | - | 4.93 | 82,920 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,817 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,899 |
| Geography by Picture - A | 0 | - | 4.39 | 60,351 |
| Geography by Picture - D | 0 | - | 4.15 | 45,728 |
| Geography by Picture - F | 0 | - | 4.31 | 51,099 |
| Geography by Picture - G | 0 | - | 4.39 | 48,027 |
| Geography by Picture - J | 0 | - | 4.16 | 38,533 |
| Geography by Picture - K | 0 | - | 4.29 | 33,193 |
| Geography by Picture - C | 0 | - | 4.31 | 57,158 |
| Geography by Picture - L | 0 | - | 4.37 | 59,069 |
| Geography by Picture - M | 0 | - | 4.14 | 40,526 |
| Geography by Picture - P | 0 | - | 4.24 | 42,509 |
| Geography by Picture - S | 0 | - | 4.38 | 47,120 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,600 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,541 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,994 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,323 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,382 |
| Longest International Borders | 0 | - | 4.99 | 265,410 |
| Countries with Three Borders | 0 | - | 4.96 | 36,667 |
