| All Country Flags of the World | 0 | - | 5.00 | 3,603,250 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,541 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,493 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,738 |
| Flags with Crescents | 0 | - | 4.98 | 167,592 |
| Country Flag Trivia | 0 | - | 4.81 | 55,949 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,440 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,473 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,934 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,053 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,779 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,241 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,933 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,388 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,417 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,674 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,250 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,638 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,657 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,400 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,750 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,825 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,591 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,312 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,831 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,280 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,678 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,770 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,403 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,706 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,768 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,986 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,047 |
| Flags of North and South America | 0 | - | 4.99 | 367,397 |
| Flags to Languages | 0 | - | 4.95 | 172,510 |
| Former Flags | 0 | - | 4.97 | 106,721 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,627 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,802 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,601 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,709 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,546 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,079 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,639 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,539 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,487 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,385 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,971 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,452 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,372 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,281 |
| World Coats of Arms | 0 | - | 4.99 | 63,872 |
| Similar Flags #1 | 0 | - | 4.74 | 129,119 |
| Similar Flags #2 | 0 | - | 4.74 | 136,384 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,412 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,815 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,933 |
| Emoji Flags | 0 | - | 4.35 | 43,818 |
| Countries by Road Signs | 0 | - | 4.98 | 53,107 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,042 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,997 |
| Select the World Flags | 0 | - | 4.27 | 37,408 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,306 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,571 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,053 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,687 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,832 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,685 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,228 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,384 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,988 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,401 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,827 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,079 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,716 |
| Pixelated World Map | 0 | - | 5.00 | 142,457 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,539 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,406 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,707 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,936 |
| Boundary Waters | 0 | - | 4.92 | 88,051 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,822 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,299 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,317 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,852 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,746 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,290 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,914 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,045 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,574 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,157 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,921 |
| Geography by Picture - B | 0 | - | 4.42 | 55,420 |
| Geography by Picture - H | 0 | - | 4.49 | 58,052 |
| Geography by Picture - N | 0 | - | 4.45 | 42,051 |
| Geography by Picture - R | 0 | - | 4.55 | 40,881 |
| Geography by Picture - T | 0 | - | 4.54 | 57,680 |
| Flags of Oceania | 0 | - | 5.00 | 255,278 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,894 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,463 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,083 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,428 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,839 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,927,764 |
| Flags of WW1 | 0 | - | 4.60 | 37,952 |
| Landlocked Countries | 0 | - | 4.99 | 413,712 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,229 |
| Satellite Images #1 | 0 | - | 4.46 | 129,018 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,991 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,656 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,654 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,812 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,374 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,165 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,015 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,645 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,027 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,256 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,633 |
| Himalayan Countries | 0 | - | 4.95 | 135,399 |
| Andean Countries | 0 | - | 4.94 | 82,838 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,232 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,230 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,918 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,621 |
| Danube Countries | 0 | - | 4.97 | 71,091 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,774 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,546 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,503 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,417 |
| European Landlocked Countries | 0 | - | 4.99 | 145,763 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,225 |
| Countries with the Most Species | 0 | - | 4.99 | 95,246 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,363 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,201 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,961 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,581 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,954 |
| Countries in the Alps | 0 | - | 4.86 | 116,837 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,580 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,273 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,017 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,429 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,182 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,010 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,588 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,764 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,330 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,070 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,047 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,458 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,754 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,760 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,089 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,653 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,256 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,777 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,345 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,699 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,608 |
| Largest Countries By Category | 0 | - | 4.97 | 156,774 |
| Countries by Countries | 0 | - | 4.96 | 62,266 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,399 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,334 |
| Merged Country Flags | 0 | - | 4.88 | 106,025 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,703 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,113 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,063 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,776 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,722 |
| Merged Countries #2 | 0 | - | 4.96 | 98,491 |
| Merged Countries #6 | 0 | - | 4.91 | 72,722 |
| Merged Countries #7 | 0 | - | 4.92 | 81,971 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,720 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,489 |
| Geography by Picture - A | 0 | - | 4.39 | 60,056 |
| Geography by Picture - D | 0 | - | 4.15 | 45,497 |
| Geography by Picture - F | 0 | - | 4.31 | 50,831 |
| Geography by Picture - G | 0 | - | 4.38 | 47,793 |
| Geography by Picture - J | 0 | - | 4.16 | 38,337 |
| Geography by Picture - K | 0 | - | 4.28 | 33,017 |
| Geography by Picture - C | 0 | - | 4.31 | 56,912 |
| Geography by Picture - L | 0 | - | 4.37 | 58,765 |
| Geography by Picture - M | 0 | - | 4.14 | 40,348 |
| Geography by Picture - P | 0 | - | 4.24 | 42,302 |
| Geography by Picture - S | 0 | - | 4.38 | 46,912 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,567 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,240 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,452 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,440 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,627 |
| Longest International Borders | 0 | - | 4.99 | 263,549 |
| Countries with Three Borders | 0 | - | 4.96 | 36,184 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,605 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,680 |
