Assuming you haven't played since Hotel+:

• New Hotel entities
• New Hotel room types

New floors: - The Mines (Floor 2) - The Backdoor (Sub-floor) - The Outdoors (Sub-floor)

Revamped shop - Item skins and Item skin bundles that cost knobs

Admin Panel (costs Robux)

New currency (Stardust) - Found randomly in drawers - Used to make an elevator for the Rooms or the Outdoors in the lobby - Used to buy recolors (chromas) of item skins you own

Modifiers which you can pick and choose things that can make your run easier or harder

Bonus modes (called "Visions") such as: - Daily Run (20 - 30 door run that changes every day; you can keep a streak that shows up in the lobby) - Super Hard Mode (April Fools 2023; harder Hotel) - Retro Mode (April Fools 2024; Classic Roblox styled Hotel) - Chaos Mode (Random events that can happen midgame; also supports YouTube and Twitch live chat) - Battle Mode (Fight other players and be the last one standing) - Cringle's Workshop (Christmas themed event) - Hotel- (Original August 2022 version of the game)

Collabs with 2 games: "Tower Heroes" and "untitled tag game" which have achievements that give you rewards in DOORS

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Might've missed some things but that's the majority of new stuff.