| All Country Flags of the World | 0 | - | 5.00 | 3,702,496 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,852 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,204 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,781 |
| Flags with Crescents | 0 | - | 4.98 | 171,019 |
| Country Flag Trivia | 0 | - | 4.81 | 57,808 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,674 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,230 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,341 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,787 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,819 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,357 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,028 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,076 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,603 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,030 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,361 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,080 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,362 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,227 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,161 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,173 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,131 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,200 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,983 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,609 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,030 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,004 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,407 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,812 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,947 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,298 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,515 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,597 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,555 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,734 |
| Flags of North and South America | 0 | - | 4.99 | 376,106 |
| Flags to Languages | 0 | - | 4.95 | 174,320 |
| Former Flags | 0 | - | 4.97 | 108,364 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,177 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,922 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,904 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,174 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,477 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,154 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,478 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,167 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,260 |
| Flag Maths | 0 | - | 4.61 | 57,821 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,636 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,070 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,191 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,993 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,606 |
| World Coats of Arms | 0 | - | 4.99 | 64,987 |
| Similar Flags #1 | 0 | - | 4.75 | 130,603 |
| Similar Flags #2 | 0 | - | 4.74 | 137,902 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,340 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,708 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,511 |
| Emoji Flags | 0 | - | 4.35 | 44,249 |
| Countries by Road Signs | 0 | - | 4.98 | 54,251 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,970 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,457 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,073 |
| Select the World Flags | 0 | - | 4.28 | 37,937 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,419 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,101 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,702 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,412 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,465 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,084 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,668 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,234 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,014 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,149 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,740 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,588 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,632 |
| Pixelated World Map | 0 | - | 5.00 | 143,942 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,127 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,574 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,052 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,365 |
| Boundary Waters | 0 | - | 4.92 | 88,709 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,363 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,559 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,154 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,842 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,843 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,136 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,336 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,767 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,299 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,644 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,201 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,345 |
| Geography by Picture - N | 0 | - | 4.45 | 42,319 |
| Geography by Picture - R | 0 | - | 4.56 | 41,121 |
| Geography by Picture - T | 0 | - | 4.54 | 57,965 |
| Flags of Oceania | 0 | - | 5.00 | 262,036 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,294 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,353 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,328 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,663 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,326 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,776,634 |
| Flags of WW1 | 0 | - | 4.60 | 38,622 |
| Landlocked Countries | 0 | - | 4.99 | 424,442 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,015 |
| Satellite Images #1 | 0 | - | 4.47 | 129,792 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,561 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,130 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,147 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,143 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,464 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,884 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,852 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,281 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,804 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,836 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,689 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,598 |
| Himalayan Countries | 0 | - | 4.94 | 139,746 |
| Andean Countries | 0 | - | 4.94 | 85,172 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,355 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,610 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,921 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,213 |
| Danube Countries | 0 | - | 4.97 | 72,265 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,402 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,695 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,845 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,343 |
| European Landlocked Countries | 0 | - | 4.99 | 147,448 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,074 |
| Countries with the Most Species | 0 | - | 4.99 | 103,474 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,215 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,709 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,819 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,738 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,472 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,899 |
| Countries in the Alps | 0 | - | 4.87 | 118,574 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,290 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,585 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,859 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,880 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,801 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,136 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,743 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,333 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,056 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,788 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,658 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,445 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,676 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,768 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,504 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,515 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,510 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,479 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,176 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,823 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,424 |
| Largest Countries By Category | 0 | - | 4.97 | 158,641 |
| Countries by Countries | 0 | - | 4.96 | 63,506 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,086 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| Merged Country Flags | 0 | - | 4.88 | 107,247 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,542 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,272 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,055 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,975 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,885 |
| Merged Countries #2 | 0 | - | 4.96 | 99,785 |
| Merged Countries #6 | 0 | - | 4.90 | 73,724 |
| Merged Countries #7 | 0 | - | 4.93 | 83,060 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,335 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,949 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,764 |
| Geography by Picture - F | 0 | - | 4.31 | 51,142 |
| Geography by Picture - G | 0 | - | 4.39 | 48,057 |
| Geography by Picture - J | 0 | - | 4.16 | 38,570 |
| Geography by Picture - K | 0 | - | 4.29 | 33,227 |
| Geography by Picture - C | 0 | - | 4.31 | 57,204 |
| Geography by Picture - L | 0 | - | 4.37 | 59,099 |
| Geography by Picture - M | 0 | - | 4.14 | 40,556 |
| Geography by Picture - P | 0 | - | 4.24 | 42,537 |
| Geography by Picture - S | 0 | - | 4.38 | 47,155 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,714 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,586 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,102 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,738 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,477 |
| Longest International Borders | 0 | - | 4.99 | 265,617 |
