| All Country Flags of the World | 0 | - | 5.00 | 3,620,202 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,634 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,956 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,787 |
| Flags with Crescents | 0 | - | 4.98 | 168,082 |
| Country Flag Trivia | 0 | - | 4.81 | 56,207 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,761 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,727 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,291 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,257 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,586 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,963 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,448 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,656 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,283 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,129 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,027 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,950 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,946 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,729 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,991 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,070 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,842 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,554 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,035 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,425 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,813 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,953 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,916 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,220 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,394 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,527 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,183 |
| Flags of North and South America | 0 | - | 4.99 | 369,224 |
| Flags to Languages | 0 | - | 4.95 | 172,842 |
| Former Flags | 0 | - | 4.97 | 107,003 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,730 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,177 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,993 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,273 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,786 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,092 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,260 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,806 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,807 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,805 |
| Flag Maths | 0 | - | 4.74 | 57,696 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,765 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,105 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,556 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,485 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,340 |
| World Coats of Arms | 0 | - | 4.99 | 64,048 |
| Similar Flags #1 | 0 | - | 4.74 | 129,370 |
| Similar Flags #2 | 0 | - | 4.74 | 136,644 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,748 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,119 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,332 |
| Emoji Flags | 0 | - | 4.35 | 43,887 |
| Countries by Road Signs | 0 | - | 4.98 | 53,295 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,187 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,076 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,687 |
| Select the World Flags | 0 | - | 4.27 | 37,495 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,461 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,684 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,149 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,796 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,944 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,755 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,305 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,545 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,083 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,515 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,074 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,070 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,802 |
| Pixelated World Map | 0 | - | 5.00 | 142,737 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,654 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,610 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,939 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,022 |
| Boundary Waters | 0 | - | 4.92 | 88,151 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,908 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,533 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,637 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,028 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,934 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,492 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,960 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,116 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,668 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,214 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,966 |
| Geography by Picture - B | 0 | - | 4.42 | 55,472 |
| Geography by Picture - H | 0 | - | 4.50 | 58,093 |
| Geography by Picture - N | 0 | - | 4.45 | 42,088 |
| Geography by Picture - R | 0 | - | 4.56 | 40,917 |
| Geography by Picture - T | 0 | - | 4.54 | 57,724 |
| Flags of Oceania | 0 | - | 5.00 | 256,396 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,288 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,619 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,301 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,664 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,105 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,078,831 |
| Flags of WW1 | 0 | - | 4.60 | 38,084 |
| Landlocked Countries | 0 | - | 4.99 | 415,608 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,636 |
| Satellite Images #1 | 0 | - | 4.46 | 129,125 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,089 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,736 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,732 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,864 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,561 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,768 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,303 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,229 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,133 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,396 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,222 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,407 |
| Himalayan Countries | 0 | - | 4.95 | 136,060 |
| Andean Countries | 0 | - | 4.94 | 83,216 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,532 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,699 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,221 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,868 |
| Danube Countries | 0 | - | 4.97 | 71,285 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,035 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,733 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,915 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,863 |
| European Landlocked Countries | 0 | - | 4.99 | 145,995 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,570 |
| Countries with the Most Species | 0 | - | 4.99 | 95,359 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,697 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,278 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,447 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,079 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,732 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,100 |
| Countries in the Alps | 0 | - | 4.86 | 117,158 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,780 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,643 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,171 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,610 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,411 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,162 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,830 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,912 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,714 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,229 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,283 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,154 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,636 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,901 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,913 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,519 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,810 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,361 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,071 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,411 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,274 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,747 |
| Largest Countries By Category | 0 | - | 4.97 | 157,073 |
| Countries by Countries | 0 | - | 4.96 | 62,466 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,712 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,039 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,387 |
| Merged Country Flags | 0 | - | 4.88 | 106,233 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,378 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,309 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,237 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,978 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,732,856 |
| Merged Countries #2 | 0 | - | 4.96 | 98,625 |
| Merged Countries #6 | 0 | - | 4.90 | 72,869 |
| Merged Countries #7 | 0 | - | 4.92 | 82,116 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,917 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,560 |
| Geography by Picture - A | 0 | - | 4.39 | 60,104 |
| Geography by Picture - D | 0 | - | 4.15 | 45,538 |
| Geography by Picture - F | 0 | - | 4.31 | 50,873 |
| Geography by Picture - G | 0 | - | 4.38 | 47,842 |
| Geography by Picture - J | 0 | - | 4.16 | 38,364 |
| Geography by Picture - K | 0 | - | 4.29 | 33,043 |
| Geography by Picture - C | 0 | - | 4.31 | 56,962 |
| Geography by Picture - L | 0 | - | 4.37 | 58,821 |
| Geography by Picture - M | 0 | - | 4.14 | 40,370 |
| Geography by Picture - P | 0 | - | 4.24 | 42,332 |
| Geography by Picture - S | 0 | - | 4.38 | 46,950 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,741 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,297 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,557 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,972 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,778 |
| Longest International Borders | 0 | - | 4.99 | 264,157 |
| Countries with Three Borders | 0 | - | 4.96 | 36,298 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,718 |
