| All Country Flags of the World | 0 | - | 5.00 | 3,664,230 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,242 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,955 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,446 |
| Flags with Crescents | 0 | - | 4.98 | 169,595 |
| Country Flag Trivia | 0 | - | 4.81 | 57,037 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,778 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,522 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,441 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,279 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,812 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,820 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,045 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,523 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,340 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,421 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,095 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,239 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,593 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,569 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,502 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,552 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,658 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,433 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,106 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,530 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,725 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,122 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,391 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,451 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,781 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,987 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,085 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,912 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,474 |
| Flags of North and South America | 0 | - | 4.99 | 373,101 |
| Flags to Languages | 0 | - | 4.95 | 173,646 |
| Former Flags | 0 | - | 4.97 | 107,735 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,953 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,540 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,465 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,963 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,462 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,739 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,165 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,558 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,570 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,812 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,680 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,947 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,766 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,504 |
| World Coats of Arms | 0 | - | 4.99 | 64,521 |
| Similar Flags #1 | 0 | - | 4.75 | 130,039 |
| Similar Flags #2 | 0 | - | 4.74 | 137,319 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,584 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,775 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,455 |
| Emoji Flags | 0 | - | 4.35 | 44,097 |
| Countries by Road Signs | 0 | - | 4.98 | 53,827 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,620 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,270 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,919 |
| Select the World Flags | 0 | - | 4.27 | 37,751 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,973 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,914 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,443 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,137 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,211 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,934 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,508 |
| Countries by Picture #1 | 0 | - | 4.50 | 114,385 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,542 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,868 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,721 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,180 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,569 |
| Pixelated World Map | 0 | - | 5.00 | 143,395 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,322 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,112 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,529 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,202 |
| Boundary Waters | 0 | - | 4.92 | 88,466 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,162 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,088 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,442 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,460 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,409 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,085 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,076 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,350 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,653 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,276 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,880 |
| Geography by Picture - B | 0 | - | 4.42 | 55,612 |
| Geography by Picture - H | 0 | - | 4.50 | 58,232 |
| Geography by Picture - N | 0 | - | 4.45 | 42,207 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,848 |
| Flags of Oceania | 0 | - | 5.00 | 259,435 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,315 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,021 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,862 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,204 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,763 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,455,625 |
| Flags of WW1 | 0 | - | 4.60 | 38,382 |
| Landlocked Countries | 0 | - | 4.99 | 420,475 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,139 |
| Satellite Images #1 | 0 | - | 4.47 | 129,382 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,317 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,920 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,934 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,991 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,017 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,602 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,831 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,948 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,174 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,513 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,690 |
| Himalayan Countries | 0 | - | 4.95 | 138,074 |
| Andean Countries | 0 | - | 4.95 | 84,256 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,480 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,311 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,111 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,556 |
| Danube Countries | 0 | - | 4.97 | 71,827 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,785 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,229 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,960 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,409 |
| European Landlocked Countries | 0 | - | 4.99 | 146,961 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,370 |
| Countries with the Most Species | 0 | - | 4.99 | 103,087 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,528 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,502 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,658 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,442 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,113 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,502 |
| Countries in the Alps | 0 | - | 4.87 | 117,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,345 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,694 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,448 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,301 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,831 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,465 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,336 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,072 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,700 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,564 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,418 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,066 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,346 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,361 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,527 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,177 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,687 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,822 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,147 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,656 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,104 |
| Largest Countries By Category | 0 | - | 4.97 | 157,921 |
| Countries by Countries | 0 | - | 4.97 | 63,007 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,459 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,507 |
| Merged Country Flags | 0 | - | 4.88 | 106,773 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,069 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,801 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,664 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,501 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,318 |
| Merged Countries #2 | 0 | - | 4.96 | 99,080 |
| Merged Countries #6 | 0 | - | 4.90 | 73,280 |
| Merged Countries #7 | 0 | - | 4.93 | 82,624 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,557 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,795 |
| Geography by Picture - A | 0 | - | 4.39 | 60,262 |
| Geography by Picture - D | 0 | - | 4.15 | 45,665 |
| Geography by Picture - F | 0 | - | 4.31 | 51,011 |
| Geography by Picture - G | 0 | - | 4.38 | 47,952 |
| Geography by Picture - J | 0 | - | 4.16 | 38,470 |
| Geography by Picture - K | 0 | - | 4.29 | 33,133 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,972 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,441 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,354 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,441 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,832 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,575 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,184 |
| Longest International Borders | 0 | - | 4.99 | 264,930 |
| Countries with Three Borders | 0 | - | 4.96 | 36,531 |
