| All Country Flags of the World | 0 | - | 5.00 | 3,611,859 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,054 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,227 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,246 |
| Flags with Crescents | 0 | - | 4.98 | 167,850 |
| Country Flag Trivia | 0 | - | 4.81 | 56,080 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,597 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,591 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,107 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,160 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,321 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,731 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,240 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,554 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,758 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,928 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,706 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,822 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,829 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,555 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,864 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,959 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,719 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,435 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,933 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,350 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,758 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,865 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,770 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,045 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,221 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,373 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,117 |
| Flags of North and South America | 0 | - | 4.99 | 368,363 |
| Flags to Languages | 0 | - | 4.95 | 172,674 |
| Former Flags | 0 | - | 4.97 | 106,867 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,684 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,169 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,897 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,096 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,748 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,798 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,171 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,723 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,669 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,642 |
| Flag Maths | 0 | - | 4.78 | 57,691 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,569 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,039 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,498 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,426 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,306 |
| World Coats of Arms | 0 | - | 4.99 | 63,963 |
| Similar Flags #1 | 0 | - | 4.74 | 129,254 |
| Similar Flags #2 | 0 | - | 4.74 | 136,513 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,547 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,960 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,118 |
| Emoji Flags | 0 | - | 4.35 | 43,851 |
| Countries by Road Signs | 0 | - | 4.98 | 53,213 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,116 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,037 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 20,976 |
| Select the World Flags | 0 | - | 4.27 | 37,442 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,382 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,633 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,098 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,736 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,886 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,725 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,261 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,460 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,030 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,444 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,947 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,383 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,754 |
| Pixelated World Map | 0 | - | 5.00 | 142,581 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,483 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,504 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,817 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,982 |
| Boundary Waters | 0 | - | 4.92 | 88,099 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,866 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,421 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,491 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,938 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,847 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,383 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,935 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,072 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,613 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,186 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,941 |
| Geography by Picture - B | 0 | - | 4.42 | 55,447 |
| Geography by Picture - H | 0 | - | 4.50 | 58,073 |
| Geography by Picture - N | 0 | - | 4.45 | 42,069 |
| Geography by Picture - R | 0 | - | 4.55 | 40,898 |
| Geography by Picture - T | 0 | - | 4.54 | 57,707 |
| Flags of Oceania | 0 | - | 5.00 | 255,868 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,078 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,537 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,196 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,544 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,939 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,003,074 |
| Flags of WW1 | 0 | - | 4.60 | 38,014 |
| Landlocked Countries | 0 | - | 4.99 | 414,627 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,888 |
| Satellite Images #1 | 0 | - | 4.46 | 129,068 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,035 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,689 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,689 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,839 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,456 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,750 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,236 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,113 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,992 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,217 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,653 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,010 |
| Himalayan Countries | 0 | - | 4.95 | 135,715 |
| Andean Countries | 0 | - | 4.94 | 83,032 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,380 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,451 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,742 |
| Danube Countries | 0 | - | 4.97 | 71,186 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,907 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,716 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,617 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,369 |
| Countries with the Most Species | 0 | - | 4.99 | 95,301 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,540 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,239 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,406 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,658 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,026 |
| Countries in the Alps | 0 | - | 4.86 | 116,988 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,685 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,462 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,111 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,300 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,703 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,605 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,155 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,235 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,103 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,542 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,304 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,741 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,950 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,880 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,007 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,912 |
| Countries by Countries | 0 | - | 4.96 | 62,370 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,554 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,359 |
| Merged Country Flags | 0 | - | 4.88 | 106,112 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,064 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,216 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,141 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,864 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,132 |
| Merged Countries #2 | 0 | - | 4.96 | 98,545 |
| Merged Countries #6 | 0 | - | 4.90 | 72,795 |
| Merged Countries #7 | 0 | - | 4.92 | 82,043 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,816 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,523 |
| Geography by Picture - A | 0 | - | 4.39 | 60,075 |
| Geography by Picture - D | 0 | - | 4.15 | 45,524 |
| Geography by Picture - F | 0 | - | 4.31 | 50,852 |
| Geography by Picture - G | 0 | - | 4.38 | 47,822 |
| Geography by Picture - J | 0 | - | 4.16 | 38,352 |
| Geography by Picture - K | 0 | - | 4.29 | 33,035 |
| Geography by Picture - C | 0 | - | 4.31 | 56,938 |
| Geography by Picture - L | 0 | - | 4.37 | 58,792 |
| Geography by Picture - M | 0 | - | 4.14 | 40,361 |
| Geography by Picture - P | 0 | - | 4.24 | 42,319 |
| Geography by Picture - S | 0 | - | 4.38 | 46,933 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,630 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,270 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,506 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,705 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,701 |
| Longest International Borders | 0 | - | 4.99 | 263,983 |
| Countries with Three Borders | 0 | - | 4.96 | 36,254 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,653 |
