After clear my cash files and offline files, this being show on the console (because a friend told me he was not able to play the sandBOX..)
reating Application Cache with manifest dl.dropbox.com/u/47035927/03%20-%20SandBOX/offline.appcache
Application Cache Checking event
Application Cache Downloading event
Application Cache Progress event (0 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/00player-sheet0.png
Application Cache Progress event (1 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/bloco4.png
Application Cache Progress event (2 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/bloco3.png
Application Cache Progress event (3 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_top-sheet0.png
Application Cache Progress event (4 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/index.html
Application Cache Progress event (5 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/tiledbackground.png
Application Cache Progress event (6 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/boxes3-sheet0.png
Application Cache Progress event (7 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_bottom_right-sheet0.png
Application Cache Progress event (8 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/media/grasshoppers.ogg
Uncaught TypeError: Cannot call method 'vr' of undefined c2runtime.js:368
Application Cache Progress event (9 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/bloco1.png
Application Cache Progress event (10 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/c2runtime.js
Application Cache Progress event (11 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_attacks2-sheet0.png
Application Cache Progress event (12 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_vertical-sheet0.png
Application Cache Progress event (13 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/logo.png
Application Cache Progress event (14 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/01onceiling-sheet0.png
Application Cache Progress event (15 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/01onwall-sheet0.png
Application Cache Progress event (16 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/background1-sheet0.png
Application Cache Progress event (17 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/moon-sheet0.png
Application Cache Progress event (18 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/bloco2.png
Application Cache Progress event (19 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_attacks1-sheet0.png
Application Cache Progress event (20 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_physics-sheet0.png
Application Cache Progress event (21 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/boxes-sheet0.png
Application Cache Progress event (22 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask-sheet0.png
Application Cache Progress event (23 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_attacks2-sheet1.png
Application Cache Progress event (24 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_bottom_left-sheet0.png
Application Cache Progress event (25 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/timbre-sheet0.png
Application Cache Progress event (26 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/background2-sheet0.png
Application Cache Progress event (27 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/jquery-1.7.1.min.js
Application Cache Progress event (28 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/boxes2-sheet0.png
Application Cache Progress event (29 of 30) dl.dropbox.com/u/47035927/03%20-%20SandBOX/images/collision_mask_middle-sheet0.png
Application Cache Progress event (30 of 30)
Application Cache Cached event
Uncaught TypeError: Cannot call method 'vr' of undefined c2runtime.js:368
Uncaught TypeError: Cannot call method 'vr' of undefined c2runtime.js:368
sf c2runtime.js:368
d.tn c2runtime.js:375
d.wc c2runtime.js:378
b.Ir c2runtime.js:62
b.wc c2runtime.js:59
b.setSuspended c2runtime.js:51
window.cr_setSuspended c2runtime.js:77
onVisibilityChanged index.html:107
dl.dropbox.com/u/47035927/03%20-%20SandBOX_bad/index.html
Source file for R97: dl.dropbox.com/u/47035927/temp/SandBox-R023.capx
After exporting without minify, it give you more 2 errors, if you refresh, it run the game. With minify, you can't load the game.
Please, feel free to test and take your own way too. I tested it with 4 different computers already.