When They Arrived

Open-world survival with crafting and combat during an alien invasion

Second Reality · Released Jan 7, 2019

Reviews: Mostly Negative; 29% of 95
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 7 years ago; Aug 3, 2019
Minimum PC: 9800GT; 4 GB RAM · 5 GB disk; Full requirements

What is When They Arrived?

This single-player survival game begins when an alien invasion interrupts a hunting trip at your grandfather's country house. You explore an open world, hunt wildlife for food, mine ore, craft items, and build structures and traps while trying to stop the invaders. An old ATV provides transportation.

For you if...

+you enjoy exploring freely and upgrading your character's skills

Not for you if...

−you want cooperative survival instead of playing alone

What players say

29% of 95 reviews are positive

Some players like the premise, but repeated complaints focus on bugs that block progress. Recent reviewers report getting stuck while sleeping or harvesting deer; other complaints include crashes, disappearing items, and poor performance.

Screenshots and trailer

When They Arrived system requirements

Minimum: 9800GT, 4 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run When They Arrived?

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Minimum

OS: WindowsXP (Service Pack 3)
Processor: Quad Core Processor
Graphics: NVIDIA GeForce 9800GT
Memory: 4 GB RAM
Storage: 5120 MB available space
DirectX: Version 9.0

Does When They Arrived have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does When They Arrived run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: English, Russian. Text only: Spanish - Spain, Portuguese - Brazil.

Does When They Arrived use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam