First Update

This is the first update for the game. it's not too major but adds a few more possibilities.

Changelog

• Locking objects - You can lock objects in place by pressing C.
• Sprinting - You can go quicker with ctrl.
• Tutorial - Shows controls.
• Removed steel box.
• Added bomb.
• Added main menu.
• Confirm world reset.

Bug fixes

• Fixed bug where if you look straight down or straight up, you can;t move forwards or backwards.