| All Country Flags of the World | 0 | - | 5.00 | 3,602,395 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,034 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,390 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,422 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,686 |
| Flags with Crescents | 0 | - | 4.98 | 167,567 |
| Country Flag Trivia | 0 | - | 4.81 | 55,936 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,422 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,459 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,912 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,037 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,368 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,966 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,449 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,358 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,279 |
| World Coats of Arms | 0 | - | 4.99 | 63,867 |
| Flags to Languages | 0 | - | 4.95 | 172,490 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,049 |
| Geography by Picture - R | 0 | - | 4.55 | 40,878 |
| Geography by Picture - T | 0 | - | 4.54 | 57,677 |
| Countries by Road Signs | 0 | - | 4.98 | 53,099 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,445 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,993 |
| Geography by Picture - A | 0 | - | 4.39 | 60,055 |
| Geography by Picture - D | 0 | - | 4.15 | 45,495 |
| Geography by Picture - F | 0 | - | 4.31 | 50,828 |
| Geography by Picture - G | 0 | - | 4.38 | 47,791 |
| Geography by Picture - J | 0 | - | 4.16 | 38,336 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,910 |
| Geography by Picture - L | 0 | - | 4.37 | 58,762 |
| Geography by Picture - M | 0 | - | 4.14 | 40,347 |
| Geography by Picture - P | 0 | - | 4.24 | 42,299 |
| Geography by Picture - S | 0 | - | 4.38 | 46,910 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,376 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,471 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images #1 | 0 | - | 4.46 | 129,009 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,987 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,651 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,649 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,809 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,361 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,299 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,042 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,683 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,826 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,683 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,226 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,377 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,983 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,389 |
| Emoji Flags | 0 | - | 4.35 | 43,815 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,242 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,748 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,107 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,672 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,014 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,817 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,290 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,306 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,844 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,737 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,748 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,215 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,906 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,371 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,205 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,655 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,200 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,628 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,640 |
| Pixelated World Map | 0 | - | 5.00 | 142,438 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,386 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,740 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,806 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,579 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,292 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,822 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,267 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,674 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,760 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,393 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,697 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,753 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,977 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,316 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,039 |
| Former Flags | 0 | - | 4.97 | 106,698 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,623 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,791 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,797 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,624 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,431 |
| Flags of North and South America | 0 | - | 4.99 | 367,281 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,282 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,912 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,583 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,041 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,568 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,152 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,918 |
| Select the World Flags | 0 | - | 4.27 | 37,405 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,468 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,704 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,921,144 |
| Landlocked Countries | 0 | - | 4.99 | 413,640 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,048 |
| Flags of Oceania | 0 | - | 5.00 | 255,224 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,864 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,072 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,413 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,816 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,563 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,535 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,000 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,628 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,990 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,593 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,597 |
| Himalayan Countries | 0 | - | 4.95 | 135,356 |
| Andean Countries | 0 | - | 4.94 | 82,828 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,215 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,217 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,902 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,610 |
| Danube Countries | 0 | - | 4.97 | 71,080 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,768 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,485 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,402 |
| European Landlocked Countries | 0 | - | 4.99 | 145,754 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,215 |
| Countries with the Most Species | 0 | - | 4.99 | 95,241 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,346 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,958 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,823 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,565 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,256 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,422 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,161 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,003 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,580 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,756 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,298 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,059 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,196 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,042 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,453 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,747 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,753 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,063 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,645 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,254 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,773 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,307 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,674 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,602 |
| Largest Countries By Category | 0 | - | 4.97 | 156,758 |
| Countries by Countries | 0 | - | 4.96 | 62,256 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,387 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
| Merged Country Flags | 0 | - | 4.88 | 106,016 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,685 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,100 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,475 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,767 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,961 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,065 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,626 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,713 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,486 |
| Geography by Picture - O | 0 | - | 4.00 | 28,047 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,528 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,559 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,237 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,444 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,416 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,619 |
| Longest International Borders | 0 | - | 4.99 | 263,544 |
| Countries with Three Borders | 0 | - | 4.96 | 36,180 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,600 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,671 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,860 |
| Demonym of Every Country | 0 | - | 4.91 | 58,644 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,188 |
| Islands by Picture | 0 | - | 4.29 | 105,901 |
