| Former Countries by Territory Map | 0 | - | 4.96 | 103,793 |
| Empires by Maps | 0 | - | 4.98 | 121,940 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,306 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,504 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,285 |
| Play-Doh People from History | 0 | - | 4.99 | 95,491 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,568 |
| Where Are These Doors? | 0 | - | 4.45 | 30,202 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,963 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,027 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,066 |
| All Country Flags of the World | 0 | - | 5.00 | 3,709,592 |
| Years in History by Picture | 0 | - | 4.45 | 35,772 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,394 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,545,250 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,838 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,197 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,201 |
| Name that Object #1 | 0 | - | 3.57 | 96,617 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,913 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,026 |
| Flags with Crescents | 0 | - | 4.98 | 171,221 |
| Country Flag Trivia | 0 | - | 4.81 | 57,939 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,819 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,366 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,512 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,888 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,924 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,961 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,431 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,650 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,791 |
| National Football Team Logos | 0 | - | 4.85 | 181,738 |
| Old Movies by Picture | 0 | - | 4.51 | 25,254 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,291 |
| Random Logos Quiz | 0 | - | 4.33 | 209,513 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,632 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,262 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,246 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,795 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,996 |
| Fruits by Picture | 0 | - | 4.19 | 809,065 |
| Geography by Picture - B | 0 | - | 4.42 | 55,768 |
| Geography by Picture - H | 0 | - | 4.50 | 58,367 |
| Geography by Picture - N | 0 | - | 4.45 | 42,332 |
| Geography by Picture - R | 0 | - | 4.56 | 41,137 |
| Geography by Picture - T | 0 | - | 4.54 | 57,992 |
| Flags to Languages | 0 | - | 4.95 | 174,442 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,307 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,990 |
| Name that Object #2 | 0 | - | 3.63 | 15,520 |
| Name that Object #3 | 0 | - | 3.93 | 14,458 |
| Pokémon by Picture | 0 | - | 4.38 | 75,074 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,838 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,411 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,411 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,746 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,648 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,375 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,756 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,256 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,592 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,444 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,916 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,289 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,563 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,648 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,200 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,924 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,848 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,700 |
| Name that Bug | 0 | - | 4.12 | 45,627 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,500 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,251 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,963 |
| Elements by Picture | 0 | - | 4.27 | 70,296 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,505 |
| Islands by Picture | 0 | - | 4.28 | 107,719 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,444 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,523 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,020 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,995 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,468 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,404 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,193 |
| International Footballers by Picture | 0 | - | 4.51 | 56,358 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,008 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,566 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,198 |
| Geography by Picture - A | 0 | - | 4.39 | 60,419 |
| Geography by Picture - D | 0 | - | 4.15 | 45,773 |
| Geography by Picture - F | 0 | - | 4.31 | 51,162 |
| Geography by Picture - G | 0 | - | 4.39 | 48,069 |
| Geography by Picture - J | 0 | - | 4.16 | 38,585 |
| Geography by Picture - K | 0 | - | 4.29 | 33,238 |
| Geography by Picture - C | 0 | - | 4.31 | 57,220 |
| Geography by Picture - L | 0 | - | 4.37 | 59,125 |
| Geography by Picture - M | 0 | - | 4.14 | 40,569 |
| Geography by Picture - P | 0 | - | 4.24 | 42,555 |
| Geography by Picture - S | 0 | - | 4.38 | 47,174 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,952 |
| Flag Maths | 0 | - | 4.61 | 57,827 |
| Satellite Images #1 | 0 | - | 4.47 | 129,940 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,630 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,187 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,199 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,182 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,527 |
| Soccer Team Logos | 0 | - | 4.26 | 377,407 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,752 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,973 |
| Movie Logos | 0 | - | 4.33 | 240,260 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,117 |
| History by Picture - A | 0 | - | 4.26 | 46,116 |
| History by Picture - B | 0 | - | 4.40 | 49,317 |
| History by Picture - C | 0 | - | 4.33 | 54,846 |
| History by Picture - F | 0 | - | 4.35 | 38,164 |
| History by Picture - G | 0 | - | 4.40 | 42,403 |
| History by Picture - D | 0 | - | 4.29 | 44,625 |
| History by Picture - E | 0 | - | 4.25 | 44,205 |
| History by Picture - H | 0 | - | 4.37 | 37,054 |
| History by Picture - K | 0 | - | 4.35 | 33,585 |
| History by Picture - M | 0 | - | 4.17 | 36,369 |
| History by Picture - N | 0 | - | 4.40 | 41,504 |
| History by Picture - O | 0 | - | 4.39 | 36,532 |
| History by Picture - T | 0 | - | 4.20 | 33,520 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,637 |
| Oscar Best Animated Films by Picture | 0 | - | 4.70 | 112,777 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,620 |
| Simpsons Characters by Picture | 0 | - | 4.42 | 22,099 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,359 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,437,190 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,780 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,833 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,726 |
| Foods by Picture | 0 | - | 3.81 | 226,531 |
| Flowers by Picture | 0 | - | 4.46 | 105,845 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,662 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,942 |
| Christmas by Picture | 0 | - | 4.26 | 28,227 |
| Hats by Picture | 0 | - | 4.21 | 18,017 |
| Weapons by Picture | 0 | - | 4.13 | 21,177 |
| Cars by Picture | 0 | - | 3.89 | 41,802 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,377 |
| Authors by Picture | 0 | - | 4.48 | 25,627 |
| Plants by Picture | 0 | - | 4.24 | 14,521 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,861 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,196 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,147 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,335 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,460 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,276 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,042 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,842 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,484 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,332 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,027 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,552 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,760 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,738 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,652 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,356 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,090 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,743 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,804 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,056 |
| Women in History by Picture | 0 | - | 4.25 | 26,020 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,341 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,848 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,663 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,076 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,048 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,948 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,325 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,544 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,504 |
| Geography by Picture - E | 0 | - | 3.55 | 47,480 |
| Landforms by Picture | 0 | - | 4.31 | 20,742 |
| Geography by Picture - I | 0 | - | 4.00 | 39,524 |
| Geography by Picture - O | 0 | - | 4.01 | 28,233 |
| Emoji Flags | 0 | - | 4.35 | 44,268 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,206 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,611 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,618 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,936 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,232 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,922 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,595 |
| Airline Logos | 0 | - | 4.45 | 141,386 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,395 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,856 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,475 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,244 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,606 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,150 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,862 |
| Brand Logos That Start With C | 0 | - | 4.20 | 50,091 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,655 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,397 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,835 |
