It looks like you're referencing a specific title, likely a fan-made game, a mod, or a walkthrough document titled "School Game Codes" for version 0.954.
A recurring question on forums: "Is 'v0.954' itself a code?" School Game Codes - v0.954
Enlarged Wardrobe: Available in the online store for 10,000 currency, this item provides the same 10kg storage boost as the Economical perk. It looks like you're referencing a specific title,
Before you start a new game on patch v0.954, do this: Developed by Kaito, this version focuses on inventory
The School Game Codes - v0.954 update introduces significant quality-of-life improvements and content additions to the popular indie School Game / Sandbox, Simulator, RPG. Developed by Kaito, this version focuses on inventory management, character progression, and refined NPC interactions. New Features in Version 0.954
BYPASS_HUD: Removes the version watermark from the top-right corner of the screen.
Latency Reduction: Reduced input lag for high-intensity titles (Platformers/FPS) by 15% through localized cache handling.