- Save Requirements: No completed base-game save file is required; the campaign runs on an entirely independent save state.
- Installation Rule: You must own the base game of The Alters on the same storefront where you purchase the paid expansion.
- Story Continuity: The expansion continues from the narrative branch where Jan Scientist remains on the planet to study the Oasis.
- Base Management: Everything starts fresh, meaning you cannot carry over previous base layouts, resource inventories, or active Alters.
- First Deadline: Your primary objective is constructing the Cryosleep Chamber within a strict 14-day timeframe to survive the hot phase.
The Alters Last Variable DLC Save Requirements Explained
Launching the paid expansion The Alters: Last Variable (released on July 13, 2026) raises questions about how progress carries over from the base game. Unlike traditional expansions that append a new zone to your end-game save, this campaign is a standalone narrative and mechanical experience. Understanding The Alters Last Variable dlc save requirements is essential before planning your return to this hostile sci-fi world.
| Requirement Type | Specification | Details |
|---|---|---|
| Base Game Ownership | Mandatory | Must own The Alters on the same platform/account |
| Save File Import | Not Required | Starts as a separate campaign from the main menu |
| Inventory Carryover | None | Resources, base modules, and old Alters do not carry over |
| Campaign Price | $14.99 | Available on Steam, Epic, GOG, PS5, and Xbox Series X/S |
| Estimated Playtime | ~20 Hours | Fully voiced campaign featuring 4 new specialist Alters |
Because the story assumes Jan Scientist stayed behind to analyze the planet's anomalous Oasis, your previous structures are lore-wise gone or buried. The game establishes a fresh progression loop specifically balanced around the expansion's new underground base mechanics, advanced research trees, and harsh multi-year cryosleep cycles.
You must purchase the expansion on the exact same storefront where you own the base game. For example, buying the base game on GOG and purchasing the DLC on Steam will prevent the game client from recognizing your license, blocking access to the campaign option.
How to Install and Launch the Expansion
Starting the new story requires a few straightforward steps. Because the game handles the expansion as an independent module, you will navigate directly through the updated main menu to begin.
Verify Base Game Installation
Ensure The Alters is fully installed and updated to the latest version on your system. On consoles, check the "Manage Game Content" screen to confirm the expansion file is active.
Purchase the Expansion
Acquire Last Variable via your preferred store. If you purchased the Deluxe Edition or the Deluxe Upgrade, verify that the license is active.
Access the New Game Menu
Launch the game. Select Start New Game from the main menu, and choose Last Variable from the campaign selection screen.
Establish Your Save Slot
The game will prompt you to select a new, dedicated save slot. This slot will operate completely independently of your base-game progression.
While you can technically launch the expansion without finishing the base game, we highly recommend completing the main story first. Last Variable skips basic tutorials and immediately references the ethical choices and relationships established in the original campaign.
Opening Route and Base Survival Strategies
Your first cycle in the underground facility is a race against time. The surface temperature is rising, and you must stabilize your life support, establish automated resource extraction, and secure a safe bunker before the countdown reaches zero.
1. Repair the Core
- Cost: 10 Metals (Repair Kit)
- Priority: High
- Focus on repairing the damaged Research Lab and unlocking the Quantum Computer on Day 1.
2. Secure Metal Outposts
- Cost: Pylons & Outpost modules
- Priority: High
- Establish automated mining south of your base immediately to feed your construction pipeline.
3. Build the Chamber
- Cost: 50 Metals, 65 Rapidium
- Priority: Critical
- Construct the Cryosleep Chamber before the 14-day deadline to prevent a game-over scenario.
The early economy demands strict control over your starting materials. Wasting Metals or Rapidium on optional base upgrades or excessive food production will leave you short of the resources needed to clear the mandatory milestones of the opening cycle.
| Construction Project | Metal Cost | Rapidium Cost | Organics Cost | Time Required |
|---|---|---|---|---|
| Repair Kit | 10 | 0 | 0 | Instant |
| Cryosleep Chamber | 50 | 65 | 0 | 4 Hours |
| Sample Analysis Module | 60 | 50 | 60 | 3 Hours |
| Drill Cartridges | 20 | 0 | 0 | Instant |
Never rely solely on manually harvesting loose rocks on the surface. Set up your first automated Metals Outpost by Day 2 to guarantee a steady, passive flow of building materials while you explore.
Specialist Crew Creation and Assignments
To survive, Jan must clone himself into specialized Alters. In the expansion, you have access to four distinct scientific specialists. Choosing the correct creation order drastically reduces resource bottlenecks and accelerates your research speed.
| Specialist Alter | Creation Priority | Work Efficiency | Best Base Assignment | Field Lab Suitability |
|---|---|---|---|---|
| Jan Geologist | ★★★★★ | +50% Metal mining speed | Resource extraction & drilling | Mid to Late Game |
| Jan Physicist | ★★★★☆ | +50% Maintenance & crafting | Workshop & base repairs | Mid Game |
| Jan Chemist | ★★★★☆ | +50% Refining speed | Resource processing & cooking | Early Game (First Lab) |
| Jan Biologist | ★★★☆☆ | +100% Greenhouse speed | Greenhouse & Infirmary healing | Late Game |
Each specialist has a distinct personality and personal questline. When you deploy an Alter to an external Field Laboratory, they stop contributing to your daily base tasks but continue generating passive scientific data. Plan your assignments carefully so your main base does not end up short-staffed.
Keep an eye on active conversation icons. Resolving personal issues and matching Alters to their preferred jobs prevents crew tension and avoids the dreaded Alter Revolt mechanic.
Pre-Cryosleep Checklist and Completion Goals
Before you trigger the cryosleep sequence at the end of a cycle, you must prepare both your crew and your base to survive the years-long hot phase. Leaving loose ends or unshielded structures will result in massive penalties when you wake up.
End-of-Cycle Checklist:
- Secure 50 Organics for each crew member entering cryosleep inside the base.
- Dismantle temporary surface structures to refund their building materials to your storage.
- Heal all injuries in the Infirmary and clear radiation exposure using filters.
- Assign your chosen specialist to the active Field Laboratory to continue passive research.
- Perform a final sweep of the current arena for unique samples and tech debris.
By completing these steps, you ensure that your base remains fully functional and your crew is healthy when the planet cools down, giving you a massive head start on the next exploration phase.
Frequently Asked Questions
Q: Do I need a completed base-game save file to play the DLC?
No. The Alters Last Variable dlc save requirements dictate that the campaign runs on its own independent save state. You select and start the expansion directly from the main menu.
Q: Can I carry over my resources, base layout, or cloned Alters?
No. Because the story begins with Jan Scientist alone in a ruined, buried facility, you start with a fresh base, zero resources, and must clone your specialist Alters from scratch.
Q: What happens if I fail to build the Cryosleep Chamber in 14 days?
Failing to build the chamber within the Cycle 1 deadline results in a game over, as the crew cannot survive the extreme heat of the planet's hot phase. Prioritize Metals and Rapidium to complete it early.
Q: How do I unlock both endings of the expansion?
The game creates an autosave right before the final decision with JanBot. You can complete the campaign, view one ending, and reload that autosave to experience the alternate conclusion without replaying the entire DLC.