| All Country Flags of the World | 0 | - | 5.00 | 3,671,832 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,500 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,566 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,892 |
| Flags with Crescents | 0 | - | 4.98 | 169,819 |
| Country Flag Trivia | 0 | - | 4.81 | 57,177 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,956 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,654 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,593 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,382 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,928 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,025 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,232 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,738 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,474 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,585 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,268 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,430 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,714 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,643 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,635 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,666 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,763 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,535 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,194 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,628 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,773 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,174 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,462 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,538 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,876 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,082 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,185 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,032 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,516 |
| Flags of North and South America | 0 | - | 4.99 | 373,666 |
| Flags to Languages | 0 | - | 4.95 | 173,779 |
| Former Flags | 0 | - | 4.97 | 107,843 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,992 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,618 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,548 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,008 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,541 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,813 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,233 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,685 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,699 |
| Flag Maths | 0 | - | 4.64 | 57,775 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,020 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,787 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,012 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,812 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,528 |
| World Coats of Arms | 0 | - | 4.99 | 64,616 |
| Similar Flags #1 | 0 | - | 4.75 | 130,161 |
| Similar Flags #2 | 0 | - | 4.74 | 137,450 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,703 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,904 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,702 |
| Emoji Flags | 0 | - | 4.35 | 44,129 |
| Countries by Road Signs | 0 | - | 4.98 | 53,929 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,675 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,309 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,141 |
| Select the World Flags | 0 | - | 4.27 | 37,797 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,057 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,954 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,509 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,196 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,282 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,964 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,544 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,275 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,798 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,930 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,840 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,084 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,494 |
| Pixelated World Map | 0 | - | 5.00 | 143,503 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,182 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,214 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,622 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,238 |
| Boundary Waters | 0 | - | 4.92 | 88,514 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,208 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,182 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,574 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,528 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,489 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,182 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,092 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,584 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,018 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,481 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,045 |
| Geography by Picture - B | 0 | - | 4.42 | 55,647 |
| Geography by Picture - H | 0 | - | 4.50 | 58,264 |
| Geography by Picture - N | 0 | - | 4.45 | 42,230 |
| Geography by Picture - R | 0 | - | 4.56 | 41,051 |
| Geography by Picture - T | 0 | - | 4.54 | 57,879 |
| Flags of Oceania | 0 | - | 5.00 | 259,856 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,495 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,097 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,940 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,303 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,874 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,520,594 |
| Flags of WW1 | 0 | - | 4.60 | 38,441 |
| Landlocked Countries | 0 | - | 4.99 | 421,214 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,479 |
| Satellite Images #1 | 0 | - | 4.47 | 129,422 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,349 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,955 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,972 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,015 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,091 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,832 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,664 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,925 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,291 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,292 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,650 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,066 |
| Himalayan Countries | 0 | - | 4.95 | 138,378 |
| Andean Countries | 0 | - | 4.93 | 84,408 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,631 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,552 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,253 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,656 |
| Danube Countries | 0 | - | 4.97 | 71,919 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,897 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,324 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,136 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,596 |
| European Landlocked Countries | 0 | - | 4.99 | 147,051 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,491 |
| Countries with the Most Species | 0 | - | 4.99 | 103,160 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,645 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,542 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,684 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,483 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,164 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,578 |
| Countries in the Alps | 0 | - | 4.87 | 118,072 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,522 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,880 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,594 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,408 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,886 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,567 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,423 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,125 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,773 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,602 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,465 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,141 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,401 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,440 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,710 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,236 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,370 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,924 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,552 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,872 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,163 |
| Largest Countries By Category | 0 | - | 4.97 | 158,062 |
| Countries by Countries | 0 | - | 4.96 | 63,104 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,578 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,249 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,538 |
| Merged Country Flags | 0 | - | 4.88 | 106,867 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,341 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,904 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,747 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,591 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,989 |
| Merged Countries #2 | 0 | - | 4.96 | 99,157 |
| Merged Countries #6 | 0 | - | 4.90 | 73,361 |
| Merged Countries #7 | 0 | - | 4.93 | 82,699 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,648 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,825 |
| Geography by Picture - A | 0 | - | 4.39 | 60,294 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,044 |
| Geography by Picture - G | 0 | - | 4.39 | 47,979 |
| Geography by Picture - J | 0 | - | 4.16 | 38,492 |
| Geography by Picture - K | 0 | - | 4.29 | 33,157 |
| Geography by Picture - C | 0 | - | 4.31 | 57,111 |
| Geography by Picture - L | 0 | - | 4.37 | 59,010 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,457 |
| Geography by Picture - S | 0 | - | 4.38 | 47,069 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,435 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,467 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,888 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,793 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,239 |
| Longest International Borders | 0 | - | 4.99 | 265,061 |
| Countries with Three Borders | 0 | - | 4.96 | 36,569 |
