| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,871 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,001 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,734 |
| Empires by Maps | 0 | - | 4.98 | 120,316 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,433 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,931 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,832 |
| Rappers by Picture | 0 | - | 4.22 | 134,293 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,311 |
| Cities with the Most Opera Performances | 0 | - | 4.63 | 41,408 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,668 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,345 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,847 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,948 |
| All Country Flags of the World | 0 | - | 5.00 | 3,658,897 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,244 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,206 |
| Play-Doh People from History | 0 | - | 4.99 | 94,730 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,992 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,333 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,494 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,546 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,316 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,457 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,155 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,453 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,472 |
| Musicians by Picture #5 | 0 | - | 3.93 | 54,225 |
| Flags with Crescents | 0 | - | 4.98 | 169,397 |
| Country Flag Trivia | 0 | - | 4.81 | 56,958 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,660 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,431 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,286 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,228 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,179 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,463 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,747 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,111 |
| National Football Team Logos | 0 | - | 4.85 | 180,256 |
| Countries by National Anthem | 0 | - | 4.92 | 71,216 |
| Years in History by Picture | 0 | - | 4.44 | 35,485 |
| Where Are These Doors? | 0 | - | 4.45 | 29,982 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,860 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,515 |
| Flags to Languages | 0 | - | 4.95 | 173,570 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,498 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,035 |
| Fruits by Picture | 0 | - | 4.19 | 807,104 |
| Old Movies by Picture | 0 | - | 4.51 | 25,085 |
| Name that Object #1 | 0 | - | 3.57 | 96,493 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 49,202 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,377 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,407 |
| Geography by Picture - B | 0 | - | 4.42 | 55,591 |
| Geography by Picture - H | 0 | - | 4.50 | 58,215 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,017 |
| Geography by Picture - T | 0 | - | 4.54 | 57,831 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,975 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,620 |
| Random Logos Quiz | 0 | - | 4.31 | 208,338 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,975 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,409 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,024 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,957 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,579 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,795 |
| Who Did That Country Song? | 0 | - | 3.93 | 22,281 |
| Name that Bug | 0 | - | 4.12 | 45,556 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,347 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,941 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,676 |
| Elements by Picture | 0 | - | 4.27 | 69,912 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,309 |
| Islands by Picture | 0 | - | 4.29 | 106,891 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,256 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,742 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,182 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,796 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,619 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,216 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,770 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,005 |
| International Footballers by Picture | 0 | - | 4.50 | 55,569 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,445 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,597 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,782 |
| Geography by Picture - A | 0 | - | 4.39 | 60,240 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,989 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,062 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,291 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,472 |
| Flag Maths | 0 | - | 4.64 | 57,758 |
| Satellite Images #1 | 0 | - | 4.47 | 129,347 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,283 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,897 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,903 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,970 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,951 |
| Soccer Team Logos | 0 | - | 4.26 | 374,271 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,421,458 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 180,256 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,773 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,908 |
| Movie Logos | 0 | - | 4.33 | 238,317 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,765 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,254 |
| History by Picture - A | 0 | - | 4.26 | 45,803 |
| History by Picture - B | 0 | - | 4.40 | 48,956 |
| History by Picture - C | 0 | - | 4.36 | 54,486 |
| History by Picture - F | 0 | - | 4.35 | 37,891 |
| History by Picture - G | 0 | - | 4.40 | 42,152 |
| History by Picture - D | 0 | - | 4.29 | 44,321 |
| History by Picture - E | 0 | - | 4.25 | 43,941 |
| History by Picture - H | 0 | - | 4.37 | 36,805 |
| History by Picture - K | 0 | - | 4.35 | 33,363 |
| History by Picture - M | 0 | - | 4.17 | 36,150 |
| History by Picture - N | 0 | - | 4.40 | 41,267 |
| History by Picture - O | 0 | - | 4.39 | 36,321 |
| History by Picture - T | 0 | - | 4.20 | 33,319 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,265 |
| Musicians Who Died Young | 0 | - | 4.39 | 108,235 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,016 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 52,867 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 50,793 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,676 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,981 |
| Piano Man Lyrics Quiz | 0 | - | 4.91 | 82,726 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,239 |
| We Didn't Start the Fire Lyrics | 0 | - | 4.92 | 48,856 |
| Songs From Movies | 0 | - | 4.36 | 65,956 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,650 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,075 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,269 |
| Flowers by Picture | 0 | - | 4.46 | 105,625 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,731 |
| Name that Object #2 | 0 | - | 3.64 | 15,442 |
| Authors by Picture | 0 | - | 4.48 | 25,530 |
| Name that Object #3 | 0 | - | 3.93 | 14,396 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 88,970 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,384 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,741 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,794 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,515 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,417 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,099 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,114 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,606 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,219 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,153 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,402 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,412 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,176 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,701 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,411 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,412 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,541 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,152 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,263 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,077 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,260 |
| Emoji Flags | 0 | - | 4.35 | 44,072 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,301 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,841 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,953 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,383 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,359 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,678 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,806 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,409 |
| Airline Logos | 0 | - | 4.45 | 140,665 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,291 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,980 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,560 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,954 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,496 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,105 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,632 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,489 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,161 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,562 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,044 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,458 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,301 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,767 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,123 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,385 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,496 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,054 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,784 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,680 |
| Vegetables by Picture | 0 | - | 4.36 | 63,343 |
