Keep a mobile base alive on a hostile planet by gathering resources and creating alternative versions of Jan, each with skills and personal needs.
Checked on Steam October 31, 2026Check on Steam
The Alters suits players who like base management tied to character stories and enjoy decisions that carry consequences for the crew. The trade-off is constant time pressure, since the base must keep moving ahead of the sun, and each new companion adds friction you have to manage. Skip it if you want a relaxed builder without a ticking clock or any multiplayer.
The Alters is a single-player science-fiction survival game about keeping a mobile base moving across a lethal, radiation-soaked planet. Jan needs resources to power the base, support life systems and manufacture what the crew requires. His helpers are alternative versions of himself, created from different life choices; each Alter brings useful expertise along with a distinct personality, memories and regrets. Recruiting one is therefore not only a production decision. It can change the crew’s relationships and create conflicts that need attention. Expeditions, research, base layout and the approaching sun all pull on the same limited time and resources.
This is a strong fit if you like management systems tied to character stories and difficult trade-offs. The constant pressure to move and the work of keeping the Alters together can be tiring if you want a relaxed base builder or action without much dialogue. Before expanding every room, stabilize the life-support and production chain that keeps the base alive. When a new Alter becomes possible, weigh the skill you need against the person and relationship you are adding to the crew. An expedition can solve one shortage while consuming time the base needs to stay ahead of the sun. Watching those choices compound is the game’s distinctive appeal; treating each person as a simple worker misses much of its point.
Wait if you dislike buying into a game that is still being patched heavily. The Unreal Engine 5.5 transition led to several July 2026 hotfixes focused on performance, and Patch 2.2.0 resolved the most common causes of crashes, so the experience changed quickly. One hotfix also fixed a Frame Generation problem, so players who use that feature should read the patch notes first. Hotfix 2.2.1 also fixed sunrise failing to trigger a proper game over, and an invalid save made after a sunrise now ends the run instantly, so keep that in mind when you manage saves.
The Alters runs only on Windows, so Mac and Linux players have no option. Steam Deck is listed as verified and full controller support is shown, which makes a handheld or couch setup practical. It is single-player only, with no co-op or PvP. The minimum asks for Windows 10 64-bit, 16 GB RAM, a GPU with 6 GB of video memory such as a GTX 1060 or RX 570, DirectX 12 and 50 GB of storage, with an SSD recommended. Steam Cloud is on, so saves can follow you between machines, and Korean and Japanese interface and subtitles are supported. Two DLC exist, and the Last Variable expansion focuses on Jan Scientist.
RimWorld is the closest comparison, a colony-building game where the story grows out of the colony itself. The Alters centres on one builder who must move his base ahead of the sun, and each Alter's history and conflicts become part of the base routine. Pick RimWorld if you want the story to emerge from the colony, and pick The Alters when the sunrise clock and each companion's history should decide every choice.
Stabilize life support and essential production before expanding every part of the base.
The moving deadline and crew conflicts add pressure to planning.
Project Zomboid is a survival sandbox in a decaying world, where the pressure comes from zombies, personal needs and weather rather than a mobile base racing a sunrise. Pick it if you want a sprawling survival sandbox with zombies and personal needs.
Factorio turns mining and crafting into a factory of connected production lines, where the central pleasure is spotting a bottleneck and redesigning a system to run more smoothly. Pick it if the satisfaction you want is designing systems rather than managing people.
Yes. Steam rates The Alters Steam Deck Verified, so it should run and control well with the default settings.
Yes. Steam lists full controller support for The Alters.
No. Steam lists The Alters as single-player only.
It is a story expansion released on July 13, 2026. It picks up after the original mission and centres on Jan Scientist and a mysterious Oasis where nothing should survive.
Yes. Each playthrough caps the number of Alters you can create, and Rapidium is required to make them, so plan which Alters matter most.
Managing resources and a group of distinct colonists
RimWorld is a colony simulation in which survival plans collide with characters' needs and unexpected events. Building a settlement creates the conditions for stories rather than following a fixed plot.
You enjoy planning routes and making your own long-term survival goals
Scavenge, build a shelter and manage daily needs in an open-ended zombie-survival sandbox. Sound, visibility and fatigue can turn an ordinary supply run into a serious risk.
Working out how machines and transport lines fit together
Factorio turns mining and crafting into a factory of connected production lines. The central pleasure is noticing a bottleneck and redesigning a system so it runs more smoothly.
