Frostrail Beginner Guide: Your First Run, Step by Step

Quick answer: In your first Frostrail session, do three things before you explore: get the Eden Engine lit and hot, keep your carried weight under 40, and craft the makeshift wrench plus a zip gun as soon as the tutorial unlocks them. Heat keeps you alive, weight keeps you mobile, and the gun keeps Revenants off your train. Everything else in the demo is a variation on those three problems.

The demo in one paragraph

You are a Penitent Gardener, a servant of an empire that signed a contract with something called the Void. Your job is to keep a steam train moving through a frozen world, feed an Eden Engine, scavenge dead towns and bunkers, and survive Revenants that follow the tracks. The demo teaches this through a tutorial chain at a station, then opens into a short stretch of rail with a village and a bunker to loot. There is no save system exposed in the demo (more on that below), so plan one sitting of roughly 60-90 minutes.

First-hour priority order

The tutorial gives you objectives one at a time. Following them in order is the fastest route, but the reason behind each step matters more than the checkbox.

Heat is the real health bar

Your HUD tracks Warmth separately from Health. Step away from a heated space and warmth falls; at zero cold resistance you start losing health in the open. Two levers control this:

• The Eden Engine's heat valve. Hold the interact key on the valve and move the mouse to raise or lower output. Higher heat keeps more of the train warm and drives the locomotive, but it burns fuel faster.
• Sealed volume. Walls and doors do not just block sightlines, they keep heat in. A small room with a heater and a closed door stays warm long after the engine has cooled.

Practical rule from our run: never leave the train without a lit engine and a closed door behind you. The one time we wandered out with the hatch open, we came back to a cold cab, a stalled train and a health bar in the red. Read the full breakdown in heat, food and warmth survival and the machinery side in Eden Engine upkeep.

The 40 weight cap is not a suggestion

The inventory screen shows your carried weight against a hard cap of 40. At 40.4 the character sheet flags "Overcumbered" with the line "It's about time you let it go", movement speed drops to 50%, sprint stops working, and stamina regeneration reads 0.0/s.

That changes the whole loop: you cannot hoard. Loot with intent:

1. Metal scraps first. They gate the wrench, zip gun, heater, ammunition and most repairs.
2. Branches and wood scraps second. Fuel, torches, mallet, club, wall repairs.
3. Textile scraps third. Bandages and insulation.
4. Food you can eat now, not later. A can of beans in your bag at 39.8 weight is worse than a full stomach.
5. Sell nothing, drop everything else. The sorting table turns junk into scraps, but only if you can carry it home.

Combat: fight Revenants like a train, not a hero

Revenants are fast, noisy and they charge when shot. In the demo they appear in small groups — the tutorial fight is three of them — and they go down to a few hits from a zip gun or repeated club swings.

• Fight with a wall at your back. Revenants close distance quickly; a doorway funnels them.
• Reload behind cover. The zip gun's reload is slow enough that standing in the open during it is a death sentence.
• Search the bodies. They drop cloth and metal scraps you need for the next craft.
• Do not chase. If a Revenant runs off into the snow, let it. Leaving the heated zone to finish a kill is how runs end.

More on the roster and behavior in Frostrail enemies, and on your options in weapons.

Exploration loop that actually pays

The demo map is linear, but each stop rewards a specific pattern:

1. Park with the brake on and the engine hot.
2. Sweep the nearest buildings first — cupboards, shelves and crates hold food, bandages and clothes you can recycle.
3. Recycle at the sorting table before you leave; every processed item costs 2% of the table's condition, and a wrench repairs it.
4. Only then push to the marked objective (village, then bunker).
5. Return with weight under 40 so you can sprint home if the weather turns.

The demo's side content is thin by design. The bunker shrine is the one optional-feeling discovery that pays off with lore and loot; see bunkers and shrines.

Seven mistakes that end runs

1. Leaving the engine unlit. The pressure gauge sits at zero, the train will not move, and the cab gets cold fast.
2. Riding the throttle at maximum. Higher throttle produces more power but drains fuel much faster. Use it to clear a slope, then back off.
3. Ignoring the brake. The train rolls on inclines. Set the brake every time you dismount.
4. Carrying 40 kg of junk into a fight. Overcumbered means no sprint and no stamina regen.
5. Opening the bunker without a torch. The interior is dark enough that you will walk past loot.
6. Skipping the exterior wall. Without a sealed room, heaters are just fuel bonfires.
7. Treating the demo like a full game. There is no confirmed save system or map screen in this build. Finish the objective chain in one session.

What the demo does not tell you

A few things players ask about are simply not in the build: train upgrade tiers beyond fitting workstations and storage into carriages, a world map, fast travel, traders, crossplay, and any save/continue flow. We list only what we could verify in the build; the rest is in the FAQ. When Early Access lands in Q4 2026, expect the progression systems the developers described — persistent progression between stops, relics that buff the train, and dedicated repair stations — to expand this loop considerably.

Where to go next

• Follow the exact objective order in the demo walkthrough.
• Learn the keybinds and panels in controls.
• Build your first proper crafting chain with the crafting and recipes guide.
• Fit out the locomotive with train upgrades and carriage builds.

FAQ

How long does the Frostrail demo take? The Next Fest demo is a vertical slice, not the full campaign. A first-time player who follows the tutorial and clears the first bunker should expect roughly one to two hours; rushing the objectives is faster, but you will arrive at the bunker without bandages or ammunition. The demo was playable until October 26, 2026.

What should I craft first in Frostrail? Craft the primitive club the tutorial asks for, then a wooden mallet and a toolmaker's workbench. The workbench unlocks the makeshift wrench, which repairs damaged walls, doors and stations on the train. Only after that should you spend metal scraps on a zip gun.

Do I need to know Barotrauma to enjoy Frostrail? No. Frostrail is a first-person survival game and shares only its studio and its co-op philosophy with Barotrauma. Nothing in the demo assumes you have played it, and the tutorial explains the train systems from scratch.

Sources

Official reference: Frostrail on Steam for the store page, system requirements and supported languages, and the Frostrail Demo page for the build tested here.

• Frostrail Demo Out Now! - official Steam announcement
• Play Frostrail Demo Until October 26th - official Steam announcement
• FakeFish - developer website