01
Temperature
Wind chill, wet penalties, biome modifiers, fire warmth.
IN-WORLD CAPTURE
[ ALPHA · GLOWSTONE ]
Atom
Realistic survival overhaul.
Vanilla survival, rewritten to respect your time and punish carelessness. Thirst. Temperature. Fatigue. Weight. The systems Minecraft never had, layered in without breaking what works.
Core systems
02
Weight
Inventory has a hard weight cap. Pack light or risk everything.
03
Traits
Randomly assigned genetic traits can alter your path through the world.
04
Nutrition
Keeping on top of a balanced diet helps unlock perks like increased health.
Devlog
№01 · 2026-06-17
Rooms made me rewrite temperature
Walls didn't exist to the old temperature system. They do now.
by Adam
read entry →
№02 · 2026-06-08
Atom is back, and it lives here now
Atom, the vanilla survival overhaul is back, rebuilt on Glowstone. First playtests run June 27th–28th.
by Adam
read entry →
About
Atom · AlphaAtom
Minecraft, if it actually tried to kill you.
In vanilla Minecraft, survival ends fairly quickly, before you know it you have full diamond armor and more than enough food to survive.
In Atom, survival is a constant struggle. You knap your first tool out of a rock, you need to think about what food you have, and what you eat. You'll need to keep your body warm, and you'll want to keep your base sealed.
What's different
Knap your tools, don't craft them
Place a stone in a knapping station. Click cell by cell to chip away the shape you want. Get the pattern right and you've made an axe head. Different materials produce different tools from the same pattern.
Fire is a thing you tend
Campfires need you to feed it fuel, or it will die. When tended to, that fire cooks your meat, smelts your metal, and keeps your body out of the cold.
Your body has a temperature
Cold nights, wet clothes, hard labor. They all move the needle. Sit too long in the rain and you'll start losing health. Build a shelter, dry off, dress for the weather. The game knows when you've actually sealed a room, and it treats real shelter like real shelter.
Blocks fall when nothing holds them
Gravity is now a force on all blocks, and you need to take it into consideration when building, otherwise your ceiling may come down on you.
Reinforced bases stay built
Reinforce a wall and keep griefers out. There are multiple levels of reinforcement, each taking longer and longer to break through.
How the first hour looks
- Pick up sticks and stones. Explore your immediate surroundings, find resources you need to survive.
- Sharpen your stones. Knap it on hard rocks into a sharpened flint. It'll break eventually, so make spares.
- Kill something small. Scrape the animal hide on a leather bed. Cook the meat over a fire.
- Wall off a room before nightfall. The game knows when it's sealed. Your body will thank you.
Built for the long haul
Atom is a survival overhaul, not a minigame. The progression rewards players who learn the systems, not players who memorize recipes.