Patch notes:
- Updated the level design in E1M0 & E1M1
- Added some of the first secrets
- Added an extra life system
- Added more climbable surfaces to E1M1
- New Walker death animation
- New end level screen
- Improved the screen shake system
- Fixed a bug with enemy pathfinding
- Fixed some issues with UI not working as intended
- Removed some pickups from E1M1
- Fixed the issue with the UI at the end of E1M1
- New death screen (Placeholder)