| All Country Flags of the World | 0 | - | 5.00 | 3,596,208 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,058 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,824 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,253 |
| Flags with Crescents | 0 | - | 4.98 | 167,358 |
| Country Flag Trivia | 0 | - | 4.81 | 55,811 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,278 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,368 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,781 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,371 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,296 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,956 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,521 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,011 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,631 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,306 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,427 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,543 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,494 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,507 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,211 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,612 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,692 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,488 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,169 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,736 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,212 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,622 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,692 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,304 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,613 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,652 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,880 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,987 |
| Flags of North and South America | 0 | - | 4.99 | 366,065 |
| Flags to Languages | 0 | - | 4.95 | 172,381 |
| Former Flags | 0 | - | 4.97 | 106,556 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,580 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,139 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,694 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,471 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,668 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,786 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,997 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,551 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,416 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,352 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,158 |
| Flag Maths | 0 | - | 4.78 | 57,666 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,257 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,911 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,410 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,328 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,256 |
| World Coats of Arms | 0 | - | 4.99 | 63,801 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,258 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,671 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,726 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,294 |
| Similar Flags #1 | 0 | - | 4.74 | 129,008 |
| Similar Flags #2 | 0 | - | 4.74 | 136,265 |
| Emoji Flags | 0 | - | 4.35 | 43,793 |
| Countries by Road Signs | 0 | - | 4.98 | 53,026 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,972 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,961 |
| Select the World Flags | 0 | - | 4.27 | 37,378 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,226 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,524 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,724 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,999 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,648 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,781 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,658 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,199 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,324 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,949 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,343 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,757 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,758 |
| Pixelated World Map | 0 | - | 5.00 | 142,297 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,530 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,312 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,237 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,627 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,912 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,209 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,891 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,020 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,521 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,134 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,901 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,024 |
| Geography by Picture - N | 0 | - | 4.45 | 42,037 |
| Geography by Picture - R | 0 | - | 4.55 | 40,868 |
| Geography by Picture - T | 0 | - | 4.54 | 57,654 |
| Flags of Oceania | 0 | - | 5.00 | 254,782 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,709 |
| Flags of WW1 | 0 | - | 4.60 | 37,896 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,375 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,993 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,326 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,702 |
| Boundary Waters | 0 | - | 4.92 | 88,006 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,200 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,167 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,784 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,668 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,869,442 |
| Landlocked Countries | 0 | - | 4.99 | 413,064 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,299 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,011 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,969 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,781 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,298 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,734 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,170 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,422 |
| Merged Countries #2 | 0 | - | 4.96 | 98,407 |
| Merged Countries #6 | 0 | - | 4.91 | 72,659 |
| Merged Countries #7 | 0 | - | 4.92 | 81,907 |
| Geography by Picture - A | 0 | - | 4.39 | 60,029 |
| Geography by Picture - D | 0 | - | 4.15 | 45,473 |
| Geography by Picture - F | 0 | - | 4.31 | 50,813 |
| Geography by Picture - G | 0 | - | 4.38 | 47,775 |
| Geography by Picture - J | 0 | - | 4.16 | 38,324 |
| Geography by Picture - K | 0 | - | 4.28 | 33,002 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,336 |
| Geography by Picture - P | 0 | - | 4.24 | 42,290 |
| Geography by Picture - S | 0 | - | 4.38 | 46,899 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,170 |
| Islands by Picture | 0 | - | 4.29 | 105,790 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,120 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,928 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,500 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,864 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,245 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,882 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,570 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,908 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,111 |
| Island Countries | 0 | - | 4.99 | 707,341 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,337 |
| Himalayan Countries | 0 | - | 4.95 | 135,125 |
| Andean Countries | 0 | - | 4.94 | 82,709 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,125 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,045 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,799 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,502 |
| Danube Countries | 0 | - | 4.97 | 71,017 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,678 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,476 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,252 |
| European Landlocked Countries | 0 | - | 4.99 | 145,690 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,091 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,243 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,919 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,533 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,892 |
| Countries in the Alps | 0 | - | 4.87 | 116,720 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,500 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,127 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,961 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,350 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,082 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,498 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,703 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,711 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,992 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,174 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,008 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,390 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,695 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,929 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,213 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,710 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,944 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,437 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,555 |
| Largest Countries By Category | 0 | - | 4.97 | 156,660 |
| Countries by Countries | 0 | - | 4.96 | 62,190 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,266 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,941 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Merged Country Flags | 0 | - | 4.88 | 105,939 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,461 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,032 |
