The v0.5.x era (often referred to as part of the "Uncharted Waters" or "Tides of Fate" updates) was a transformative period for the game. If you are looking at this specific version, here is what to expect:
The "Void" (dungeons) became much more atmospheric. Version 0.5.20 includes multiple distinct dungeon types rather than just one repetitive cave system.
A "Diablo-lite" dungeon crawler filled with procedural paths, challenging bosses, and resources needed for high-tier upgrades. Review of Version 0.5.20 Highlights
This version refined the game's signature "vibrant-yet-dark" aesthetic. The lighting engine is a standout, especially during the day-night transitions. Important Technical Note