S3 Game

 _        _______           _______  _          _______ 
( \      (  ____ \|\     /|(  ____ \( \        (  ____ \
| (      | (    \/| )   ( || (    \/| (        | (    \/
| |      | (__    | |   | || (__    | |        | (____  
| |      |  __)   ( (   ) )|  __)   | |        (_____ \ 
| |      | (       \ \_/ / | (      | |              ) )
| (____/\| (____/\  \   /  | (____/\| (____/\  /\____) )
(_______/(_______/   \_/   (_______/(_______/  \______/

How we can retrieve deleted objects?

Hint 4
You can get a specific version of the object with get-object command. 

Use --version-id parameter.

No hints anymore. :) Get the secret code, and use
https://s3game-level6-<THE CODE>.s3.us-east-2.amazonaws.com/level6.html