I posted this on the steam forum, and thought I'd post it here, too.
To activate a cheat, type "/cheat *unlockall - unlocks all crafting blueprints.
*spawn - Press "P" to spawn a leech, and "L" to spawn a crate when it's enabled.
*notuts - disables tutorials
*playasguest - no idea
*noon - keeps time at noon
*fastday - makes day night cycle go very fast.
*night - keeps time at midnight
*infres - infinite resources, blocks, and other items
*sh*tloads - In the past you could use this to spawn tons of resource pallets.
*godmode - You do not take damage.
*level100 - gives you 100 skill points
*videomode - unknown
*unlockall - unlocks all crafting blueprints.
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem
• Unlimited Quickbar Items