Half-Life 2 mod The Temple adds Iron Lung-style submarine plus airship and space shuttle

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PC Gamer reports that The Temple, an upcoming total conversion mod for Half-Life 2, will let players pilot a terror submarine and also includes an airship and a space shuttle. The article says The Temple adapts the quickfire submarine-horror premise associated with Iron Lung and aims to expand those scares within a Half-Life 2 total conversion. PC Gamer notes Iron Lung received rave reviews and spawned a film adaptation by Markiplier, and that few games have followed its particular brand of vehicular terror. The article does not state a release date or distribution details for The Temple.

What changed

  • PC Gamer reports a mod called The Temple is in development as a total conversion for Half-Life 2. According to the article, the mod lets players pilot a terror submarine and also features an airship and a space shuttle.
  • The article presents The Temple as adapting the submarine-horror style associated with David Szymanski's 2022 game Iron Lung and aiming to expand that concept within Half-Life 2's framework.

Before and after

  • Before: PC Gamer says Iron Lung (2022) received rave reviews and spawned a film adaptation by Markiplier; few games have directly followed its specific vehicular-terror approach.
  • After (as reported): The Temple is presented as a new example that applies Iron Lung-like submarine horror inside a Half-Life 2 total conversion, while also adding additional vehicle types.

Limits

  • The PC Gamer article, published by Rick Lane on 27 September 2026, does not list a release date, distribution method, or detailed availability for The Temple. The report does not confirm technical requirements or a release timeline.