Patch 2

Patch 2 19.11.2025

Many smaller improvements and fixes again.

Major changes:

- Saving reworked, not it's a lot safer to make changes thus there's no longer a need to wipe the save data.

Major bugfixes:

- The ugprades tree no longer shows unupgraded nodes accidentally.

Major balance changes:

- Laser cost lowered 2 -> 1. Players can now choose between the laser, pulse, or heal skill as their first early on.