| All Country Flags of the World | 0 | - | 5.00 | 3,722,735 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,480 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,049 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,001 |
| Flags with Crescents | 0 | - | 4.98 | 171,669 |
| Country Flag Trivia | 0 | - | 4.82 | 58,254 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,133 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,592 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,835 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,101 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,134 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,604 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,575 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,566 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,152 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,324 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,780 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,539 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,858 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,544 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,480 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,513 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,411 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,462 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,257 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,849 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,263 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,182 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,536 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,005 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,169 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,524 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,773 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,857 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,825 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,839 |
| Flags of North and South America | 0 | - | 4.99 | 377,875 |
| Flags to Languages | 0 | - | 4.95 | 174,667 |
| Former Flags | 0 | - | 4.97 | 108,776 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,295 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,119 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,087 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,270 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,117 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,375 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,670 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,502 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,616 |
| Flag Maths | 0 | - | 4.61 | 57,862 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,023 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,260 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,326 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,119 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,679 |
| World Coats of Arms | 0 | - | 4.99 | 65,305 |
| Similar Flags #1 | 0 | - | 4.75 | 130,920 |
| Similar Flags #2 | 0 | - | 4.74 | 138,199 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,728 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,962 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,922 |
| Emoji Flags | 0 | - | 4.35 | 44,319 |
| Countries by Road Signs | 0 | - | 4.98 | 54,431 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,254 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,593 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,613 |
| Select the World Flags | 0 | - | 4.28 | 38,029 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,633 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,213 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,824 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,542 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,584 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,177 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,749 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,523 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,106 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,251 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,122 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,721 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,610 |
| Pixelated World Map | 0 | - | 5.00 | 144,236 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,804 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,777 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,294 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,459 |
| Boundary Waters | 0 | - | 4.92 | 88,825 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,452 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,811 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,516 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,046 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,067 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,595 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,460 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,833 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,431 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,733 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,255 |
| Geography by Picture - B | 0 | - | 4.42 | 55,824 |
| Geography by Picture - H | 0 | - | 4.50 | 58,422 |
| Geography by Picture - N | 0 | - | 4.45 | 42,386 |
| Geography by Picture - R | 0 | - | 4.56 | 41,185 |
| Geography by Picture - T | 0 | - | 4.54 | 58,035 |
| Flags of Oceania | 0 | - | 5.00 | 263,322 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,793 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,628 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,564 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,864 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,589 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,953,655 |
| Flags of WW1 | 0 | - | 4.60 | 38,758 |
| Landlocked Countries | 0 | - | 4.99 | 427,065 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,396 |
| Satellite Images #1 | 0 | - | 4.46 | 130,055 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,745 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,437 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,286 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,252 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,649 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,910 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,977 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,494 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,124 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,163 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,418 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,828 |
| Himalayan Countries | 0 | - | 4.93 | 140,745 |
| Andean Countries | 0 | - | 4.94 | 85,757 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,878 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,436 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,436 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,653 |
| Danube Countries | 0 | - | 4.97 | 72,524 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,759 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,955 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,398 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,869 |
| European Landlocked Countries | 0 | - | 4.99 | 147,720 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,503 |
| Countries with the Most Species | 0 | - | 4.99 | 103,633 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,606 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,805 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,940 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,909 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,665 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,116 |
| Countries in the Alps | 0 | - | 4.87 | 118,938 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,935 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,081 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,046 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,150 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,102 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,370 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,563 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,980 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,501 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,296 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,945 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,818 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,658 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,906 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,006 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,105 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,708 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,300 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,814 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,209 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,440 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,598 |
| Largest Countries By Category | 0 | - | 4.97 | 159,052 |
| Countries by Countries | 0 | - | 4.97 | 63,789 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,442 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,701 |
| Merged Country Flags | 0 | - | 4.88 | 107,470 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,346 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,533 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,233 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,204 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,019 |
| Merged Countries #2 | 0 | - | 4.96 | 99,951 |
| Merged Countries #4 | 0 | - | 4.81 | 94,178 |
| Merged Countries #6 | 0 | - | 4.90 | 73,884 |
| Merged Countries #7 | 0 | - | 4.93 | 83,225 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,561 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,021 |
| Geography by Picture - A | 0 | - | 4.39 | 60,473 |
| Geography by Picture - D | 0 | - | 4.15 | 45,818 |
| Geography by Picture - F | 0 | - | 4.31 | 51,224 |
| Geography by Picture - G | 0 | - | 4.39 | 48,117 |
| Geography by Picture - J | 0 | - | 4.16 | 38,627 |
| Geography by Picture - K | 0 | - | 4.29 | 33,285 |
| Geography by Picture - C | 0 | - | 4.31 | 57,272 |
| Geography by Picture - L | 0 | - | 4.37 | 59,170 |
| Geography by Picture - M | 0 | - | 4.14 | 40,612 |
| Geography by Picture - P | 0 | - | 4.24 | 42,596 |
| Geography by Picture - S | 0 | - | 4.38 | 47,203 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,870 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,653 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,237 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,349 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,639 |
