| All Country Flags of the World | 0 | - | 5.00 | 3,669,576 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,079 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,352 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,752 |
| Flags with Crescents | 0 | - | 4.98 | 169,750 |
| Country Flag Trivia | 0 | - | 4.81 | 57,136 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,898 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,613 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,543 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,345 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,889 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,959 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,176 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,665 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,429 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,539 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,212 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,381 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,676 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,623 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,586 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,631 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,721 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,504 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,160 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,590 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,756 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,161 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,435 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,510 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,847 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,052 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,151 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,993 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,500 |
| Flags of North and South America | 0 | - | 4.99 | 373,501 |
| Flags to Languages | 0 | - | 4.95 | 173,731 |
| Former Flags | 0 | - | 4.97 | 107,818 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,976 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,596 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,525 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,992 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,270 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,794 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,216 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,647 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,658 |
| Flag Maths | 0 | - | 4.64 | 57,769 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,960 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,754 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,992 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,802 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,522 |
| World Coats of Arms | 0 | - | 4.99 | 64,600 |
| Similar Flags #1 | 0 | - | 4.75 | 130,126 |
| Similar Flags #2 | 0 | - | 4.74 | 137,413 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,660 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,871 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,610 |
| Emoji Flags | 0 | - | 4.35 | 44,120 |
| Countries by Road Signs | 0 | - | 4.98 | 53,881 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,661 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,301 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,065 |
| Select the World Flags | 0 | - | 4.27 | 37,781 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,038 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,939 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,483 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,174 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,260 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,955 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,535 |
| Countries by Picture #1 | 0 | - | 4.51 | 116,674 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,741 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,908 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,804 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,437 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,177 |
| Pixelated World Map | 0 | - | 5.00 | 143,476 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,892 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,182 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,596 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,226 |
| Boundary Waters | 0 | - | 4.92 | 88,501 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,193 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,157 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,539 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,505 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,466 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,157 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,086 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,544 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,936 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,441 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,013 |
| Geography by Picture - B | 0 | - | 4.42 | 55,634 |
| Geography by Picture - H | 0 | - | 4.50 | 58,256 |
| Geography by Picture - N | 0 | - | 4.45 | 42,222 |
| Geography by Picture - R | 0 | - | 4.56 | 41,046 |
| Geography by Picture - T | 0 | - | 4.54 | 57,872 |
| Flags of Oceania | 0 | - | 5.00 | 259,725 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,448 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,070 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,919 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,273 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,829 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,500,532 |
| Flags of WW1 | 0 | - | 4.60 | 38,419 |
| Landlocked Countries | 0 | - | 4.99 | 421,004 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 573,818 |
| Satellite Images #1 | 0 | - | 4.47 | 129,413 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,337 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,946 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,959 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,009 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,062 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,831 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,645 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,898 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,244 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,261 |
| World Capitals Quiz | 0 | - | 5.00 | 5,077,181 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,987 |
| Himalayan Countries | 0 | - | 4.95 | 138,293 |
| Andean Countries | 0 | - | 4.95 | 84,366 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,589 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,502 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,215 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,623 |
| Danube Countries | 0 | - | 4.97 | 71,898 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,868 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,289 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,085 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,559 |
| European Landlocked Countries | 0 | - | 4.99 | 147,028 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,457 |
| Countries with the Most Species | 0 | - | 4.99 | 103,147 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,604 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,533 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,674 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,468 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,150 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,554 |
| Countries in the Alps | 0 | - | 4.87 | 118,037 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,287 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,828 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,579 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,504 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,378 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,871 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,537 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,395 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,111 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,742 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,585 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,444 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,115 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,383 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,412 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,659 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,210 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,724 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,882 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,441 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,815 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,141 |
| Largest Countries By Category | 0 | - | 4.97 | 158,012 |
| Countries by Countries | 0 | - | 4.96 | 63,078 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,533 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,237 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,529 |
| Merged Country Flags | 0 | - | 4.88 | 106,839 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,253 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,872 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,722 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,564 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,771,180 |
| Merged Countries #2 | 0 | - | 4.96 | 99,133 |
| Merged Countries #6 | 0 | - | 4.90 | 73,336 |
| Merged Countries #7 | 0 | - | 4.93 | 82,678 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,627 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,820 |
| Geography by Picture - A | 0 | - | 4.39 | 60,288 |
| Geography by Picture - D | 0 | - | 4.15 | 45,678 |
| Geography by Picture - F | 0 | - | 4.31 | 51,032 |
| Geography by Picture - G | 0 | - | 4.38 | 47,971 |
| Geography by Picture - J | 0 | - | 4.16 | 38,487 |
| Geography by Picture - K | 0 | - | 4.29 | 33,151 |
| Geography by Picture - C | 0 | - | 4.31 | 57,101 |
| Geography by Picture - L | 0 | - | 4.37 | 58,997 |
| Geography by Picture - M | 0 | - | 4.14 | 40,484 |
| Geography by Picture - P | 0 | - | 4.24 | 42,452 |
| Geography by Picture - S | 0 | - | 4.38 | 47,061 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,407 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,461 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,876 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,723 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,231 |
| Longest International Borders | 0 | - | 4.99 | 265,011 |
| Countries with Three Borders | 0 | - | 4.96 | 36,558 |
