**Aeternum Seasons brings a cozy, Stardew-Valley-style year cycle to vanilla Minecraft – without killing your TPS.**
Watch your world slowly change through Spring, Summer, Autumn and Winter:
biome colors shift smoothly, snow covers the ground in winter, autumn forests turn golden, and the sky and weather follow the season – all fully optimized and spread over time to avoid lag spikes.
On top of the seasonal overworld, you can unlock two new adventure dimensions:
_Frost Realm – accessed through a Glowstone portal. Blizzards, low visibility, frozen terrain and icy variants of vanilla mobs that slow and freeze you._
- Heat / Infernal Realm – accessed through a Nether Wart Block portal. Scorching heat, dangerous terrain, and fiery mob variants that burn and hit harder.
- Each realm has its own risks, atmosphere and progression, turning your survival world into a small adventure RPG while still feeling vanilla-friendly.
# ✨ Features
- Dynamic, vanilla-style seasons: weather, sky and biome tints react to the current season.
- Autumn forests: taiga and birch leaves turn into warm acacia-like colors only in autumn, then return to normal afterwards.
- Highly optimized: biome and foliage changes are spread across the last days before each season, reducing heavy work on day 1 and keeping TPS stable.
- Two optional season dimensions (Frost & Heat) with themed terrain and mob variants (frozen / blazing).
- Fully configurable: enable/disable features, worlds, dimensions, migration, weather rules, etc.
- **Plug & Play for Paper / Spigot 1.21.x.**
### English & Spanish out of the box.
**Optional integration with PlaceholderAPI for HUDs, scoreboards, menus and more.
Aeternum Seasons is made to feel like something that could be in vanilla: simple to drop into a survival world, but deep enough to make every year in your world feel unique.**

Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }