| All Country Flags of the World | 0 | - | 5.00 | 3,719,896 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,968 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,755 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,845 |
| Flags with Crescents | 0 | - | 4.98 | 171,551 |
| Country Flag Trivia | 0 | - | 4.82 | 58,201 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,048 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,545 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,756 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,065 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,084 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,572 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,493 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,491 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,073 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,285 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,728 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,456 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,804 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,499 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,445 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,457 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,370 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,435 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,225 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,822 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,233 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,160 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,529 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,986 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,133 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,488 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,742 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,813 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,784 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,819 |
| Flags of North and South America | 0 | - | 4.99 | 377,547 |
| Flags to Languages | 0 | - | 4.95 | 174,620 |
| Former Flags | 0 | - | 4.97 | 108,713 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,274 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,089 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,070 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,256 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,810 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,343 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,652 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,452 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,563 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,963 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,229 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,314 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,106 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,671 |
| World Coats of Arms | 0 | - | 4.99 | 65,253 |
| Similar Flags #1 | 0 | - | 4.75 | 130,875 |
| Similar Flags #2 | 0 | - | 4.74 | 138,146 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,675 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,930 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,859 |
| Emoji Flags | 0 | - | 4.35 | 44,309 |
| Countries by Road Signs | 0 | - | 4.98 | 54,402 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,215 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,574 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,539 |
| Select the World Flags | 0 | - | 4.28 | 38,016 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,610 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,197 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,808 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,526 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,572 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,162 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,743 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,488 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,090 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,237 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,076 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,835 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,202 |
| Pixelated World Map | 0 | - | 5.00 | 144,176 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,434 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,748 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,261 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,442 |
| Boundary Waters | 0 | - | 4.92 | 88,808 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,433 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,770 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,445 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,019 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,037 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,527 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,445 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,824 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,414 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,722 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,246 |
| Geography by Picture - B | 0 | - | 4.42 | 55,812 |
| Geography by Picture - H | 0 | - | 4.50 | 58,409 |
| Geography by Picture - N | 0 | - | 4.45 | 42,371 |
| Geography by Picture - R | 0 | - | 4.56 | 41,171 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| Flags of Oceania | 0 | - | 5.00 | 263,117 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,717 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,583 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,523 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,834 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,554 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,930,685 |
| Flags of WW1 | 0 | - | 4.60 | 38,737 |
| Landlocked Countries | 0 | - | 4.99 | 426,728 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,534 |
| Satellite Images #1 | 0 | - | 4.46 | 130,037 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,734 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,423 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,277 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,247 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,620 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,906 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,963 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,464 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,081 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,118 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,438 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,655 |
| Himalayan Countries | 0 | - | 4.93 | 140,589 |
| Andean Countries | 0 | - | 4.94 | 85,674 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,806 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,302 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,362 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,589 |
| Danube Countries | 0 | - | 4.97 | 72,494 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,715 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,915 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,319 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,768 |
| European Landlocked Countries | 0 | - | 4.99 | 147,685 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,431 |
| Countries with the Most Species | 0 | - | 4.99 | 103,612 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,547 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,795 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,925 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,891 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,631 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,087 |
| Countries in the Alps | 0 | - | 4.87 | 118,886 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,843 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,029 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,024 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,114 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,339 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,494 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,940 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,480 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,263 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,927 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,802 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,625 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,866 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,969 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,042 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,674 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,848 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,019 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,341 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,572 |
| Largest Countries By Category | 0 | - | 4.97 | 158,977 |
| Countries by Countries | 0 | - | 4.97 | 63,733 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,355 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,430 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,691 |
| Merged Country Flags | 0 | - | 4.88 | 107,434 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,236 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,490 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,205 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,175 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,802 |
| Merged Countries #2 | 0 | - | 4.96 | 99,926 |
| Merged Countries #4 | 0 | - | 4.81 | 94,162 |
| Merged Countries #6 | 0 | - | 4.90 | 73,861 |
| Merged Countries #7 | 0 | - | 4.93 | 83,208 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,540 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,014 |
| Geography by Picture - A | 0 | - | 4.39 | 60,460 |
| Geography by Picture - D | 0 | - | 4.15 | 45,807 |
| Geography by Picture - F | 0 | - | 4.31 | 51,210 |
| Geography by Picture - G | 0 | - | 4.39 | 48,102 |
| Geography by Picture - J | 0 | - | 4.16 | 38,620 |
| Geography by Picture - K | 0 | - | 4.29 | 33,271 |
| Geography by Picture - C | 0 | - | 4.31 | 57,258 |
| Geography by Picture - L | 0 | - | 4.37 | 59,156 |
| Geography by Picture - M | 0 | - | 4.14 | 40,599 |
| Geography by Picture - P | 0 | - | 4.24 | 42,588 |
| Geography by Picture - S | 0 | - | 4.38 | 47,196 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,848 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,642 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,211 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,275 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,618 |
