| All Country Flags of the World | 0 | - | 5.00 | 3,682,478 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,429 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,484 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,527 |
| Flags with Crescents | 0 | - | 4.98 | 170,192 |
| Country Flag Trivia | 0 | - | 4.81 | 57,406 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,178 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,847 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,841 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,517 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,080 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,281 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,456 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,993 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,606 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,812 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,494 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,695 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,863 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,793 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,797 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,797 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,899 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,688 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,326 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,758 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,844 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,249 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,565 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,673 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,017 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,215 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,309 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,188 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,587 |
| Flags of North and South America | 0 | - | 4.99 | 374,510 |
| Flags to Languages | 0 | - | 4.95 | 173,947 |
| Former Flags | 0 | - | 4.97 | 108,005 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,039 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,721 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,656 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,067 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,950 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,949 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,320 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,846 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,872 |
| Flag Maths | 0 | - | 4.64 | 57,793 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,246 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,885 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,074 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,880 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,555 |
| World Coats of Arms | 0 | - | 4.99 | 64,752 |
| Similar Flags #1 | 0 | - | 4.75 | 130,312 |
| Similar Flags #2 | 0 | - | 4.74 | 137,604 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,926 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,088 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,020 |
| Emoji Flags | 0 | - | 4.35 | 44,164 |
| Countries by Road Signs | 0 | - | 4.98 | 54,052 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,773 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,363 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,495 |
| Select the World Flags | 0 | - | 4.27 | 37,844 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,189 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,004 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,572 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,272 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,348 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,007 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,591 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,639 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,911 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,021 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,012 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,159 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,152 |
| Pixelated World Map | 0 | - | 5.00 | 143,676 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,482 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,349 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,763 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,283 |
| Boundary Waters | 0 | - | 4.92 | 88,597 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,313 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,786 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,654 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,614 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,550 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,188 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,674 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,151 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,565 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,126 |
| Geography by Picture - B | 0 | - | 4.42 | 55,680 |
| Geography by Picture - H | 0 | - | 4.50 | 58,285 |
| Geography by Picture - N | 0 | - | 4.45 | 42,257 |
| Geography by Picture - R | 0 | - | 4.56 | 41,078 |
| Geography by Picture - T | 0 | - | 4.54 | 57,906 |
| Flags of Oceania | 0 | - | 5.00 | 260,692 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,761 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,182 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,096 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,416 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,027 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,613,928 |
| Flags of WW1 | 0 | - | 4.60 | 38,513 |
| Landlocked Countries | 0 | - | 4.99 | 422,369 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,993 |
| Satellite Images #1 | 0 | - | 4.47 | 129,493 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,410 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,996 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,019 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,048 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,204 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,847 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,725 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,059 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,462 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,476 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,582 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,716 |
| Himalayan Countries | 0 | - | 4.95 | 138,914 |
| Andean Countries | 0 | - | 4.93 | 84,726 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,929 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,991 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,545 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,881 |
| Danube Countries | 0 | - | 4.97 | 72,069 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,085 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,471 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,391 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,881 |
| European Landlocked Countries | 0 | - | 4.99 | 147,196 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,725 |
| Countries with the Most Species | 0 | - | 4.99 | 103,280 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,841 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,617 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,738 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,576 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,265 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,711 |
| Countries in the Alps | 0 | - | 4.87 | 118,272 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,365 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,110 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,694 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,635 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,558 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,984 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,722 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,545 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,203 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,895 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,679 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,548 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,261 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,514 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,573 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,999 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,345 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,260 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,140 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,131 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,243 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,268 |
| Largest Countries By Category | 0 | - | 4.97 | 158,284 |
| Countries by Countries | 0 | - | 4.96 | 63,279 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,747 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| Merged Country Flags | 0 | - | 4.88 | 106,986 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,723 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,064 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,843 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,711 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,589 |
| Merged Countries #2 | 0 | - | 4.96 | 99,277 |
| Merged Countries #6 | 0 | - | 4.90 | 73,497 |
| Merged Countries #7 | 0 | - | 4.93 | 82,836 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,746 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,868 |
| Geography by Picture - A | 0 | - | 4.39 | 60,330 |
| Geography by Picture - D | 0 | - | 4.15 | 45,712 |
| Geography by Picture - F | 0 | - | 4.31 | 51,077 |
| Geography by Picture - G | 0 | - | 4.39 | 48,005 |
| Geography by Picture - J | 0 | - | 4.16 | 38,517 |
| Geography by Picture - K | 0 | - | 4.29 | 33,178 |
| Geography by Picture - C | 0 | - | 4.31 | 57,133 |
| Geography by Picture - L | 0 | - | 4.37 | 59,049 |
| Geography by Picture - M | 0 | - | 4.14 | 40,510 |
| Geography by Picture - P | 0 | - | 4.24 | 42,485 |
| Geography by Picture - S | 0 | - | 4.38 | 47,092 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,541 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,510 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,948 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,100 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,324 |
| Longest International Borders | 0 | - | 4.99 | 265,257 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
