S-Jintoo (I Hate Children But I Dont Want My Browser To Crash)

Input

Encryption (Looks complicated)

length of each XOR key
independent layers, undone at runtime
avoid 0 by default
round-trip check before scramble

Taunt messages (thrown when someone tries to export/save)

Save / Export Blocking (cheap trick)

(saveProjectSb3 etc. Good idea)

Symbol Renaming

quirkiness and uhh randomness of generated names

Junk / Decoy Injection

Output

Settings