| All Country Flags of the World | 0 | - | 5.00 | 3,719,234 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,867 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,700 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,798 |
| Flags with Crescents | 0 | - | 4.98 | 171,535 |
| Country Flag Trivia | 0 | - | 4.82 | 58,190 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,032 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,533 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,739 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,055 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,077 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,559 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,478 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,477 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,056 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,273 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,716 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,447 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,790 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,493 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,437 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,447 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,362 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,427 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,220 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,818 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,229 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,153 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,528 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,980 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,124 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,480 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,731 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,804 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,774 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,816 |
| Flags of North and South America | 0 | - | 4.99 | 377,486 |
| Flags to Languages | 0 | - | 4.95 | 174,609 |
| Former Flags | 0 | - | 4.97 | 108,700 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,268 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,080 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,060 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,249 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,748 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,332 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,645 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,445 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,548 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,947 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,224 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,307 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,099 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,667 |
| World Coats of Arms | 0 | - | 4.99 | 65,246 |
| Similar Flags #1 | 0 | - | 4.75 | 130,873 |
| Similar Flags #2 | 0 | - | 4.74 | 138,138 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,662 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,921 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,834 |
| Emoji Flags | 0 | - | 4.35 | 44,303 |
| Countries by Road Signs | 0 | - | 4.98 | 54,396 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,208 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,568 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,520 |
| Select the World Flags | 0 | - | 4.28 | 38,013 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,605 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,190 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,803 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,520 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,566 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,154 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,733 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,477 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,087 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,235 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,066 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,673 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,132 |
| Pixelated World Map | 0 | - | 5.00 | 144,168 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,344 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,742 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,257 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,440 |
| Boundary Waters | 0 | - | 4.92 | 88,805 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,431 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,769 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,430 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,015 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,031 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,519 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,441 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,819 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,411 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,718 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,245 |
| Geography by Picture - B | 0 | - | 4.42 | 55,806 |
| Geography by Picture - H | 0 | - | 4.50 | 58,407 |
| Geography by Picture - N | 0 | - | 4.45 | 42,368 |
| Geography by Picture - R | 0 | - | 4.56 | 41,170 |
| Geography by Picture - T | 0 | - | 4.54 | 58,023 |
| Flags of Oceania | 0 | - | 5.00 | 263,083 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,703 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,562 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,517 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,828 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,545 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,925,559 |
| Flags of WW1 | 0 | - | 4.60 | 38,734 |
| Landlocked Countries | 0 | - | 4.99 | 426,643 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,340 |
| Satellite Images #1 | 0 | - | 4.46 | 130,030 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,726 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,421 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,276 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,245 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,618 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,904 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,960 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,456 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,076 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,106 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,086 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,612 |
| Himalayan Countries | 0 | - | 4.93 | 140,534 |
| Andean Countries | 0 | - | 4.94 | 85,648 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,783 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,261 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,342 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,574 |
| Danube Countries | 0 | - | 4.97 | 72,483 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,700 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,907 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,298 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,749 |
| European Landlocked Countries | 0 | - | 4.99 | 147,679 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,418 |
| Countries with the Most Species | 0 | - | 4.99 | 103,609 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,530 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,792 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,918 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,884 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,626 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,082 |
| Countries in the Alps | 0 | - | 4.87 | 118,869 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,823 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,016 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,017 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,103 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,049 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,332 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,480 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,927 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,475 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,248 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,921 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,791 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,622 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,858 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,958 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,023 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,666 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,745 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,763 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,985 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,325 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,563 |
| Largest Countries By Category | 0 | - | 4.97 | 158,964 |
| Countries by Countries | 0 | - | 4.97 | 63,725 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,344 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,427 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,690 |
| Merged Country Flags | 0 | - | 4.88 | 107,428 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,209 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,479 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,201 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,162 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,335 |
| Merged Countries #2 | 0 | - | 4.96 | 99,922 |
| Merged Countries #4 | 0 | - | 4.81 | 94,158 |
| Merged Countries #6 | 0 | - | 4.90 | 73,855 |
| Merged Countries #7 | 0 | - | 4.93 | 83,196 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,530 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,012 |
| Geography by Picture - A | 0 | - | 4.39 | 60,459 |
| Geography by Picture - D | 0 | - | 4.15 | 45,806 |
| Geography by Picture - F | 0 | - | 4.31 | 51,206 |
| Geography by Picture - G | 0 | - | 4.39 | 48,100 |
| Geography by Picture - J | 0 | - | 4.16 | 38,619 |
| Geography by Picture - K | 0 | - | 4.29 | 33,269 |
| Geography by Picture - C | 0 | - | 4.31 | 57,258 |
| Geography by Picture - L | 0 | - | 4.37 | 59,155 |
| Geography by Picture - M | 0 | - | 4.14 | 40,598 |
| Geography by Picture - P | 0 | - | 4.24 | 42,586 |
| Geography by Picture - S | 0 | - | 4.38 | 47,195 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,847 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,634 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,205 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,261 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,611 |
