| All Country Flags of the World | 0 | - | 5.00 | 3,715,231 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,240 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,335 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,549 |
| Flags with Crescents | 0 | - | 4.98 | 171,398 |
| Country Flag Trivia | 0 | - | 4.81 | 58,066 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,931 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,464 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,633 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,969 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,011 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,508 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,381 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,372 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,940 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,216 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,638 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,358 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,693 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,435 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,370 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,379 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,311 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,371 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,157 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,757 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,174 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,112 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,504 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,939 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,089 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,432 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,675 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,756 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,715 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,796 |
| Flags of North and South America | 0 | - | 4.99 | 377,143 |
| Flags to Languages | 0 | - | 4.95 | 174,533 |
| Former Flags | 0 | - | 4.97 | 108,611 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,250 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,048 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,020 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,233 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,139 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,283 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,610 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,386 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,457 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,888 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,193 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,271 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,070 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,648 |
| World Coats of Arms | 0 | - | 4.99 | 65,171 |
| Similar Flags #1 | 0 | - | 4.75 | 130,812 |
| Similar Flags #2 | 0 | - | 4.74 | 138,090 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,601 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,876 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,743 |
| Emoji Flags | 0 | - | 4.35 | 44,295 |
| Countries by Road Signs | 0 | - | 4.98 | 54,362 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,134 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,543 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,389 |
| Select the World Flags | 0 | - | 4.28 | 37,999 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,563 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,170 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,783 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,497 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,541 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,135 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,707 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,426 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,066 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,225 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,024 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,461 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,522 |
| Pixelated World Map | 0 | - | 5.00 | 144,123 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,762 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,700 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,223 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,429 |
| Boundary Waters | 0 | - | 4.92 | 88,776 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,715 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,364 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,984 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,988 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,436 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,411 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,800 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,381 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,700 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,230 |
| Geography by Picture - B | 0 | - | 4.42 | 55,785 |
| Geography by Picture - H | 0 | - | 4.50 | 58,384 |
| Geography by Picture - N | 0 | - | 4.45 | 42,341 |
| Geography by Picture - R | 0 | - | 4.56 | 41,148 |
| Geography by Picture - T | 0 | - | 4.54 | 58,003 |
| Flags of Oceania | 0 | - | 5.00 | 262,790 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,619 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,467 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,470 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,789 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,487 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,892,044 |
| Flags of WW1 | 0 | - | 4.60 | 38,703 |
| Landlocked Countries | 0 | - | 4.99 | 426,049 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,000 |
| Satellite Images #1 | 0 | - | 4.46 | 130,007 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,698 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,402 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,251 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,228 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,595 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,898 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,934 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,415 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,012 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,026 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,187 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,368 |
| Himalayan Countries | 0 | - | 4.93 | 140,327 |
| Andean Countries | 0 | - | 4.94 | 85,511 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,652 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,064 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,231 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,462 |
| Danube Countries | 0 | - | 4.97 | 72,425 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,623 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,858 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,162 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,647 |
| European Landlocked Countries | 0 | - | 4.99 | 147,623 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,333 |
| Countries with the Most Species | 0 | - | 4.99 | 103,578 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,431 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,782 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,850 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,033 |
| Countries in the Alps | 0 | - | 4.87 | 118,806 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,681 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,905 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,038 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,980 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,430 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,882 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,437 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,196 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,891 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,754 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,573 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,815 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,906 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,891 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,631 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,994 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,703 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,792 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,204 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,526 |
| Largest Countries By Category | 0 | - | 4.97 | 158,890 |
| Countries by Countries | 0 | - | 4.96 | 63,662 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,284 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,407 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,677 |
| Merged Country Flags | 0 | - | 4.88 | 107,389 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,042 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,444 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,164 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,121 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,502 |
| Merged Countries #2 | 0 | - | 4.96 | 99,891 |
| Merged Countries #4 | 0 | - | 4.81 | 94,134 |
| Merged Countries #6 | 0 | - | 4.90 | 73,819 |
| Merged Countries #7 | 0 | - | 4.93 | 83,162 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,471 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| Geography by Picture - A | 0 | - | 4.39 | 60,438 |
| Geography by Picture - D | 0 | - | 4.15 | 45,790 |
| Geography by Picture - F | 0 | - | 4.31 | 51,180 |
| Geography by Picture - G | 0 | - | 4.39 | 48,083 |
| Geography by Picture - J | 0 | - | 4.16 | 38,597 |
| Geography by Picture - K | 0 | - | 4.29 | 33,250 |
| Geography by Picture - C | 0 | - | 4.31 | 57,240 |
| Geography by Picture - L | 0 | - | 4.37 | 59,140 |
| Geography by Picture - M | 0 | - | 4.14 | 40,583 |
| Geography by Picture - P | 0 | - | 4.24 | 42,569 |
| Geography by Picture - S | 0 | - | 4.38 | 47,182 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,812 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,620 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,178 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,136 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,583 |
