Ratchet & Clank: Size Matters

You can get access to the High Impact Treehouse in 2 ways.

1. Get all 25 skill points. Open the cheats menu and find the "Climb the Treehouse" option for 25 points.

2. Set your internal clock to 2:41am. Proceed by going to Metalis and take the teleporter next to your ship. If done correctly you'll immediately see the Treehouse teleporter.