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Steam digital code card for Subway Invasion PC game

Indie.io

Indie.io Subway Invasion PC Steam Downloadable Game

SKU CH-6PZ4-9C5T0

A wave-based adventure shooter where you defend a subway train against alien invaders with limited ammo and upgradeable weapons

  • Product nameSubway Invasion
  • Published byIndie. io
  • Developed byQH Studios
  • Supported platformPC
  • Game genreAdventure
  • Packaging typeDownload
  • Survive alien waves in NYC subway tunnels
  • Limited ammo forces tactical upgrade choices
  • Unlock sub-weapons and fortify defences dynamically
  • Steam DRM enables instant PC activation
  • Adventure genre delivers intense survival action

Game Overview

Subway Invasion is a PC adventure game published by Indie.io and developed by QH Studios. It releases on Steam on April 03, 2026 and requires a Steam account for activation. The title delivers a wave-based survival experience set inside the New York City subway system. English subtitles and menus are supported.

Gameplay Loop

You play as a lone security guard defending a train full of passengers against relentless alien invaders. Combat revolves around limited ammunition, forcing careful shot placement and scavenging for supplies between waves. Upgrades include weapon attachments such as scopes, flashlights and thermal sights alongside sub-weapons like grenades and the ability to lock doors. Enemies grow faster, stronger and begin using weapons as the invasion intensifies.

Activation Details

The product is a digital Steam code with no physical packaging. A third-party Steam account is mandatory to redeem and play the game. Buyers without an existing Steam account or those preferring a DRM-free installer cannot use this version. The code is delivered online and tied to the Steam platform exclusively.

How it compares

Measured against everything we stock in Game Downloads & DLC, at today’s prices. Recalculated every night.

Price $3.99
Cheaper than about 88% of the 5,961 comparable items (median $14.99).

Specifications

Product
Product nameSubway Invasion
ReleasedApril 03, 2026
Size & build
Shipping weight0.45 kg
Package size25 × 25 × 25 mm
Software
Published byIndie. io
Developed byQH Studios
Supported platformPC
Game genreAdventure
Activation platformSteam

Questions about this item

How do I install Subway Invasion on PC using the Steam code?

Redeem the code in the Steam client under "Activate a Product on Steam" to add the game to your library, then download and install it. The step people miss is ensuring they are logged into the correct Steam account before redeeming, as the licence binds to that account.

Will Subway Invasion require future patches or DLC purchases to maintain playability?

As a downloadable Steam title, the game will receive automatic updates through the Steam client when the developer releases patches. No mandatory DLC purchases are required to continue playing the core adventure experience.

What is the first limitation I will hit during a long survival session in Subway Invasion?

The primary constraint is limited ammunition. You must scavenge tunnels for supplies between waves, and every bullet counts. Running out of ammo before the next supply drop forces tactical retreats or failed defences.

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