One Heart One Slot
A Minecraft challenge with only one heart and one slot
Screenshots
About this Modpack
You need to survive with one half Heart and one Slot in Hardcore
🧱 What's Included?
🩸 Half-Heart Hardcore:
Your max health is half a heart. No mistakes allowed.
🎒 Realistic Inventory:
You only get one inventory slot. Choose wisely.
🌳 Tree Harvester:
Cut down entire trees with one swing — survival needs efficiency.
🛠 Simple Menu & Custom Splash Screen:
Clean and fast UI experience from the start.
🌟 Iris Shaders + Sodium + Starlight:
Beautiful visuals and optimized lighting with top-tier performance.
⚙️ FerriteCore, Lithium, Entity Culling, LazyDFU & more:
Deep performance tuning under the hood.
💤 Dynamic FPS & FastQuit:
Save system resources and speed up quitting.
🧠 Memory Leak Fix & ImmediatelyFast:
Keep your game smooth and stable.
🎯 Who is this for?
This modpack is perfect for players who:
Want a unique survival challenge,
Love minimalist, high-stakes gameplay,
Still care about performance, polish, and visual quality.
💡 Note
Built for Minecraft 1.20.1 (Fabric). All mods are preconfigured — just install and start suffering 😄.
My other Modpacks
Available Versions
How to Set Up a One Heart One Slot Server
Order Server
Choose at least 4 GB RAM (6 GB recommended for One Heart One Slot). Based on player count: per 8 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "One Heart One Slot" and click "Install". The fabric loader and Minecraft 1.20.1 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
One Heart One Slot server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.
How much RAM does a One Heart One Slot server really need?
Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).
Can I add custom mods to One Heart One Slot without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.20.1). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.
One Heart One Slot server lagging – performance tips
1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.
Rent One Heart One Slot Server
Start your own server with automatic modpack installation.
Supported Versions
Start your One Heart One Slot Server now
From €8.00/month with 6 GB RAM for the best performance.
Configure Server →