Cal's Advancements
Advancements datapack for Calcrew
About this Mod
Cal's Advancements is a datapack that keeps adding custom achievements created by and for the Calcrew, but if you want to play it without being part of the community you are totally welcome too.
It includes references to other video games, memes, and internet culture. All achievements have been directly requested by the community on streams, Discord, YouTube, TikTok, and Instagram — from absurd memes to truly difficult challenges.
It is constantly updated with new suggestions and works on Minecraft 1.21.9 and newer.
Descripción en Español:
Cal's Advancements es un datapack que va añadiendo logros personalizados creados por y para la Calcrew, pero si quieres jugarlo sin ser de la comunidad también eres totalmente bienvenido.
Trae referencias a otros videojuegos, memes e internet. Todos los logros han sido pedidos directamente por la comunidad en los streams, Discord, YouTube, TikTok e Instagram. Desde memes absurdos hasta desafíos realmente difíciles.
Se actualiza constantemente con nuevas sugerencias y funciona en Minecraft 1.21.9 en adelante.
Available Versions
How to Install Cal's Advancements on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Cal's Advancements". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Cal's Advancements server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Cal's Advancements compatible with datapack and fabric and forge?
Cal's Advancements officially supports datapack, fabric, forge for Minecraft 1.21.11, 1.21.10, 1.21.9. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Cal's Advancements – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Cal's Advancements consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Rent Modded Server
Install Cal's Advancements with just one click on your server.