| All Country Flags of the World | 0 | - | 5.00 | 3,664,086 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,222 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,944 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,437 |
| Country Flag Trivia | 0 | - | 4.81 | 57,036 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,777 |
| 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 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,240 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,811 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,816 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,041 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,516 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,334 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,419 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,088 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,230 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,586 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,565 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,501 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,548 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,656 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,432 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,105 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,530 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,724 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,122 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,390 |
| 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 | 65,985 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,084 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,911 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,474 |
| Flags of North and South America | 0 | - | 4.99 | 373,096 |
| Flags to Languages | 0 | - | 4.95 | 173,641 |
| Former Flags | 0 | - | 4.97 | 107,734 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,951 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,538 |
| 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 | 612,429 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,738 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,163 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,558 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,568 |
| 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 | 48,946 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,765 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,503 |
| World Coats of Arms | 0 | - | 4.99 | 64,518 |
| Similar Flags #1 | 0 | - | 4.75 | 130,037 |
| Similar Flags #2 | 0 | - | 4.74 | 137,318 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,580 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,773 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,451 |
| Emoji Flags | 0 | - | 4.35 | 44,096 |
| Countries by Road Signs | 0 | - | 4.98 | 53,824 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,619 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,269 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,916 |
| Select the World Flags | 0 | - | 4.27 | 37,750 |
| 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 | 70,136 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,209 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,933 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,506 |
| Countries by Picture #1 | 0 | - | 4.50 | 114,284 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,533 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,867 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,719 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,158 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,558 |
| Pixelated World Map | 0 | - | 5.00 | 143,391 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,309 |
| 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 | 38,201 |
| Boundary Waters | 0 | - | 4.92 | 88,464 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,162 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,085 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,440 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,460 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,406 |
| 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 | 46,341 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,639 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,268 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,875 |
| 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 | 259,418 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,313 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,021 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,862 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,203 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,761 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,454,555 |
| Flags of WW1 | 0 | - | 4.60 | 38,382 |
| Landlocked Countries | 0 | - | 4.99 | 420,455 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,100 |
| Satellite Images #1 | 0 | - | 4.47 | 129,380 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,315 |
| 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 | 38,990 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,014 |
| 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 | 5,073,427 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,684 |
| Himalayan Countries | 0 | - | 4.95 | 138,068 |
| Andean Countries | 0 | - | 4.95 | 84,254 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,477 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,305 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,111 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,552 |
| Danube Countries | 0 | - | 4.97 | 71,826 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,784 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,229 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,958 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,407 |
| European Landlocked Countries | 0 | - | 4.99 | 146,959 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,370 |
| Countries with the Most Species | 0 | - | 4.99 | 103,086 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,527 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,500 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,657 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,440 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,113 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,499 |
| Countries in the Alps | 0 | - | 4.87 | 117,952 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,313 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,690 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,545 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,446 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,299 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,831 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,463 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,336 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,069 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,699 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,563 |
| 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 | 79,345 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,360 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,519 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,177 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,685 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,817 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,144 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,655 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,104 |
| Largest Countries By Category | 0 | - | 4.97 | 157,918 |
| Countries by Countries | 0 | - | 4.97 | 63,006 |
| 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 | 109,062 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,797 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,663 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,499 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,248 |
| Merged Countries #2 | 0 | - | 4.96 | 99,078 |
| Merged Countries #6 | 0 | - | 4.90 | 73,277 |
| Merged Countries #7 | 0 | - | 4.93 | 82,623 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,557 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,793 |
| Geography by Picture - A | 0 | - | 4.39 | 60,262 |
| Geography by Picture - D | 0 | - | 4.15 | 45,664 |
| 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 | 58,970 |
| 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 | 47,045 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,351 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,441 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,831 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,570 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,181 |
| Longest International Borders | 0 | - | 4.99 | 264,928 |
| Countries with Three Borders | 0 | - | 4.96 | 36,530 |