Dont want to Damage your original copy and keep it in mint condition. This is your alternative..
This is one of the more expensive games for the Sega CD.
 
Robo Aleste (Sega CD) Details
 
For almost a century now, the bloodthirsty Chugoku Warloads of the west have ruled and ravaged your once-supreme Oda Clan. No more! As the most decorated officer in the White Fang Ninja Force, it's up to you to command the infamous Robo Aleste War Machine and avenge the barbarous wrath of the anti-Oda alliance! Come home a hero...or don't come home at all!
 
Full Price Guide: Robo Aleste (Sega CD)
Loose
$60.31
Item & Box
$132.81
Item & Manual
$110.00
Complete
$141.78
New
$245.49
Graded CIB
-
Graded New
$562.50
Box Only
$72.50
Manual Only
$50.00
 
 
Ebay link.
 
https://www.ebay.com/itm/205628724711?_skw=robo+aleste+sega+cd&epid=6911&itmmeta=01K84FWACVXM4XBZ91CCNAX5XT&hash=item2fe06d55e7:g:lysAAeSwq5doftZN&itmprp=enc%3AAQAKAAAA8FkggFvd1GGDu0w3yXCmi1dCS3lCFRe3s2FGDz1LTS6%2BvlPjhfUg1ZD7T3fmCaKW%2F0RC7xdHD9G5rEo33Q%2BvRWymzVZItHVm482Ca3eQWJ55fhjyFAqSq9iBfpixCjztAqxiMVyUZfHUYfv2M9NZATjZXnd7vTBehbyXXppU%2FWrsUN4bJkId226O%2Frcyjq%2Bmh5optrlDIpSLbR3VNh5ssahCxVVJapvMHEnZAaiN2j4BQoWYQ2V9krM4U%2FEEl%2FmWc9m6XFv8o3SwBN2sBJH%2BHmVz7TVhSG0Ew9aPKs2uxmxau8AiZDEY0qJKGGyeETNhIw%3D%3D%7Ctkp%3ABk9SR8Cm8Y_BZg