From the author's README on Thunderstore

SSX 3 Launch Time (CBA2) - Skate Port

Welcome to the Skate port of SSX 3's Launch Time (CBA2)! This mod brings the classic snowboarding vibe and terrain dynamics of SSX 3 directly into Skate.

📌 Features

Classic Track Layout: Ported directly from SSX 3's Launch Time (cba2).
Skate-Adapted Physics & Collisions: Optimized for skateboarding mechanics, grinds, and tricks.
Custom Textures & Lighting: Enhanced visual integration for the Skate engine environment.

📥 Installation

Download the latest release from the repository/releases page.
Extract the contents of the zip file into your Skate mods directory:
- Path: [Your RESkate Directory]/Mods/
Ensure the manifest.json file is located within the map's dedicated subfolder inside Mods.
Launch the game and load the map via your mod manager or custom park selector.

🎮 Recommended Settings

Physics: High/Standard Skate Physics
Camera: Low / Action Camera for an immersive arcade feel

🛠️ Credits & Acknowledgments

Original Assets & Map Design: EA Canada (SSX 3)
Skate Porting & Conversion: [Your Name / Handle]

📄 License & Usage

This is a non-commercial fan-made mod. All original assets belong to Electronic Arts Inc. Distributed for free fan enjoyment.

Install SSX3LaunchTime

You need ReSkate and your own copy of skate. on Steam.

Open ReSkateLauncher.exe and go to MODS.
Search for SSX3LaunchTime and click install. The launcher also installs anything it depends on.
Press PLAY. In game, the MODS tab of the ReSkate menu (Insert) turns it on and off.

Or install it by hand: download the .zip and drop it on the launcher window, or unzip it into its own folder in Mods\ beside Skate.exe.

Maps show up in the ReSkate menu's level list. To join a server running a custom map, you need the same map installed. If the game won't load after installing, see known issues.

skatemods doesn't host or review this mod. The download comes straight from Thunderstore. Only install mods you trust, because scripts can run code.