Changelog:
- ADDED: difficulty settings
- ADDED: game version in the main menu
- ADDED: heat command
- ADDED: overheat command
- CHANGED: tutorial text in level 2 to say LMB instead of RMB
- CHANGED: checkpoints now save player location in their center instead of where he landed
- CHANGED: postprocessing
- CHANGED: footstep sound play length
- FIXED: footstep sounds when using noclip
- FIXED: Input and Audio initializing twice (thanks Unity)