Rat Dungeon is a Source mod created with the objective of changing the fundamental movement mechanics and properties of weapons of Half-Life 2: Deathmatch. You can jump much higher, you move much faster, and the pistol, shotgun, and RPG have received some major changes. Surfing and airstrafing fit right in with the game's movement, so use everything you have to come out on top.

This mod comes with one map, 'rk_bloodtower.' This map is best suited to 2v2 or 4v4 team gameplay, so invite your friends into a game! More maps will be added as time goes on, so be on the lookout for upcoming content updates!

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Rat Dungeon is Here!


Rat Dungeon is finally up for download! Below I'll list its core features.

  • Jump higher than ever before: jumping has been drastically increased from Half-Life 2: Deathmatch's jump height.
  • Zoom around the map: default movement speeds have been tweaked and massively improved.
  • Master airstrafing and surfing for optimal movement: Combining these two techniques will allow you to master movement in the air and gain the upper hand in combat.
  • Modified pistol, shotgun, and RPG: These weapons have been changed to better suit the new fast-paced style of gameplay

Gather up some friends and engage in some deathmatch fun! Rat Dungeon is available now!

Rat Dungeon Release

Rat Dungeon Release


Rat Dungeon release version 1.2 is available for download on April 20, 2020!

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Rat Dungeon - Release (version 1.2)

Rat Dungeon - Release (version 1.2)

Full Version

The official release build of Rat Dungeon! Install instructions packaged with the game and on this page.

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