Radial menu system using TweenService and player input. Supports mouse or keyboard direction. 

Server-side validated purchase system. Prevents double claiming, secures RemoteEvents, and uses one-time inventory check. 

Multi-level keycard door access using modular handler and proximity checks. Keycard level is checked on the server. 

Tweened dialogue system with typewriter text and anti-spam logic. Triggered via proximity, supports multiple dialogue steps, good for tutorial or basic quest NPCs. 

Character customization; hair, faces, accessories, skin color, clothes. Can be made alongside main menu or separately.

UI works, DataStore (saving/loading), exploit proof. 

Grabbing, placement, upgrading, developer products and other.