---
key: mechanic/game-mechanics--gm-terrain-deformation
type: mechanic
id: game-mechanics--gm-terrain-deformation
lang: en
title: Terrain deformation
summary: >-
  Actions reshape the terrain, creating pits, passages and footholds. The
  altered surface affects what the player can do next.
updatedAt: '2026-10-21'
status: active
url: >-
  https://gamemechanics.pro/en/knowledge/mechanic/game-mechanics--gm-terrain-deformation/
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/game-mechanics--gm-terrain-deformation.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/game-mechanics--gm-terrain-deformation.md
aliases: []
tags:
  - Game design techniques
  - World interactions
sourceIds:
  - source-407bd652108bee27
  - source-d33bd92599f51d0e
  - source-d0e84aec2e7ab9d6
  - source-da7d94407a9a620a
  - source-a80bc317834fee79
  - source-fc74289282acaca1
  - source-5441304ec5c4d11c
  - source-ca6b0895463b9f0e
  - source-1404171b36eceff2
  - source-0a031a39aeeef0d8
sources:
  - id: source-407bd652108bee27
    title: 'Game Mechanics: Terrain deformation'
    url: 'https://gamemechanics.org/patterns/terrain-deformation'
    verifiedAt: null
  - id: source-d33bd92599f51d0e
    title: Call of Duty (2003)
    url: 'https://gamemechanics.org/patterns/terrain-deformation/game/call-of-duty'
    verifiedAt: null
  - id: source-d0e84aec2e7ab9d6
    title: Far Cry (2004)
    url: 'https://gamemechanics.org/patterns/terrain-deformation/game/far-cry'
    verifiedAt: null
  - id: source-da7d94407a9a620a
    title: 'Mercenaries 2: World in Flames (2008)'
    url: >-
      https://gamemechanics.org/patterns/terrain-deformation/game/mercenaries-2-world-in-flames
    verifiedAt: null
  - id: source-a80bc317834fee79
    title: MX vs. ATV Reflex (2009)
    url: >-
      https://gamemechanics.org/patterns/terrain-deformation/game/mx-vs-atv-reflex
    verifiedAt: null
  - id: source-fc74289282acaca1
    title: 'Battlefield: Bad Company 2 (2010)'
    url: >-
      https://gamemechanics.org/patterns/terrain-deformation/game/battlefield-bad-company-2
    verifiedAt: null
  - id: source-5441304ec5c4d11c
    title: Off-Road Drive (2011)
    url: 'https://gamemechanics.org/patterns/terrain-deformation/game/off-road-drive'
    verifiedAt: null
  - id: source-ca6b0895463b9f0e
    title: SnowRunner (2021)
    url: 'https://gamemechanics.org/patterns/terrain-deformation/game/snowrunner'
    verifiedAt: null
  - id: source-1404171b36eceff2
    title: Enlisted (2024)
    url: 'https://gamemechanics.org/patterns/terrain-deformation/game/enlisted'
    verifiedAt: null
  - id: source-0a031a39aeeef0d8
    title: Deep Rock Galactic
    url: 'https://store.steampowered.com/app/548430/'
    verifiedAt: null
relations: []
placements:
  - catalogId: game-mechanics
    id: gm-terrain-deformation
    title: Game design techniques
    url: >-
      https://gamemechanics.pro/en/mechanics/game-mechanics/#gm-terrain-deformation
    categoryIds:
      - gm-category-world-interactions
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-21'
    title: Terrain deformation
    description: >-
      Actions reshape the terrain, creating pits, passages and footholds. The
      altered surface affects what the player can do next.
    image:
      src: images/mechanics/drg-mining.webp
      width: 1440
      height: 810
      game: Deep Rock Galactic
      sourceUrl: 'https://store.steampowered.com/app/548430/'
      originalUrl: >-
        https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/548430/ss_82bae16c1411fad6a4a09c8c9f62cdf86bd6e8c9.1920x1080.jpg?t=1792497307
      credit: Ghost Ship Games / Coffee Stain Publishing
      rights: © Ghost Ship Games / Coffee Stain Publishing. All rights reserved.
      caption: Pickaxes reshape the rock
      alt: >-
        Deep Rock Galactic: two players strike the rock with pickaxes, sending
        golden chunks away from the wall.
      markers:
        - x: 49
          'y': 54
          label: Rock being broken with pickaxes
        - x: 68
          'y': 34
          label: The player’s tool
    tips:
      - Update collisions together with the visible geometry.
      - Check that players can escape pits they create.
    examples:
      - title: Deep Rock Galactic
        url: 'https://store.steampowered.com/app/548430/'
endsAt: null
provenance: >-
  Editorial reference index based on the 199 public Game Mechanics pattern pages
  checked on 2026-10-20. Original concise RU/EN definitions by
  gamemechanics.pro; pattern names, category associations and game-reference
  URLs retained from gamemechanics.org. The source gallery includes a film
  analogy. Linked materials retain their original rights; references are
  upstream attributions, not independent verification.
license: CC-BY-4.0
codeLicense: MIT
attribution: gamemechanics.pro contributors
catalogKey: catalog/game-mechanics
---
# Terrain deformation

id: game-mechanics--gm-terrain-deformation
type: mechanic
key: mechanic/game-mechanics--gm-terrain-deformation
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/game-mechanics--gm-terrain-deformation/

Actions reshape the terrain, creating pits, passages and footholds. The altered surface affects what the player can do next.

## At a glance

![Deep Rock Galactic: two players strike the rock with pickaxes, sending golden chunks away from the wall.](https://gamemechanics.pro/images/mechanics/drg-mining.webp)

[Deep Rock Galactic](https://store.steampowered.com/app/548430/) · © Ghost Ship Games / Coffee Stain Publishing. All rights reserved.

1. Rock being broken with pickaxes
2. The player’s tool

- Update collisions together with the visible geometry.
- Check that players can escape pits they create.

- [Deep Rock Galactic](https://store.steampowered.com/app/548430/)

## How it works

Interactions alter the ground's shape during play.

## Variants

### How the technique works

<a id="gm-terrain-deformation-rule"></a>

- Interactions alter the ground's shape during play. <a id="gm-terrain-deformation-definition"></a>

## Context and limits

All 199 Game Mechanics entries at the check date: player actions, systems, presentation techniques and contested patterns. Entries are grouped by their first source-card category; all categories appear in their descriptions. Definitions use original wording. References link to game-specific galleries; images and videos remain at the source.

## Connected materials


## Sources and provenance

Editorial reference index based on the 199 public Game Mechanics pattern pages checked on 2026-10-20. Original concise RU/EN definitions by gamemechanics.pro; pattern names, category associations and game-reference URLs retained from gamemechanics.org. The source gallery includes a film analogy. Linked materials retain their original rights; references are upstream attributions, not independent verification.

- [Game Mechanics: Terrain deformation](https://gamemechanics.org/patterns/terrain-deformation) (id: source-407bd652108bee27)
- [Call of Duty (2003)](https://gamemechanics.org/patterns/terrain-deformation/game/call-of-duty) (id: source-d33bd92599f51d0e)
- [Far Cry (2004)](https://gamemechanics.org/patterns/terrain-deformation/game/far-cry) (id: source-d0e84aec2e7ab9d6)
- [Mercenaries 2: World in Flames (2008)](https://gamemechanics.org/patterns/terrain-deformation/game/mercenaries-2-world-in-flames) (id: source-da7d94407a9a620a)
- [MX vs. ATV Reflex (2009)](https://gamemechanics.org/patterns/terrain-deformation/game/mx-vs-atv-reflex) (id: source-a80bc317834fee79)
- [Battlefield: Bad Company 2 (2010)](https://gamemechanics.org/patterns/terrain-deformation/game/battlefield-bad-company-2) (id: source-fc74289282acaca1)
- [Off-Road Drive (2011)](https://gamemechanics.org/patterns/terrain-deformation/game/off-road-drive) (id: source-5441304ec5c4d11c)
- [SnowRunner (2021)](https://gamemechanics.org/patterns/terrain-deformation/game/snowrunner) (id: source-ca6b0895463b9f0e)
- [Enlisted (2024)](https://gamemechanics.org/patterns/terrain-deformation/game/enlisted) (id: source-1404171b36eceff2)
- [Deep Rock Galactic](https://store.steampowered.com/app/548430/) (id: source-0a031a39aeeef0d8)

CC-BY-4.0 · gamemechanics.pro contributors
