Subnautica: Below Zero
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Oli Ollerenshaw

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About this mod

Allows you to configure a speed modifier to increase the top speed of the Seatruck.

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IMPORTANT: The latest version of this mod has been rewritten to remove the need for QModManager or SML Helper. The mod does require "BepInEx", which can be installed for both Subnautica and Below Zero from the following source: BepInEx Subnautica Pack. This mod should be installed in the BepInEx\plugins folder.

Installing the BepInEx configuration manager plugin will allow you to configure this mod. Please see here for details: BepInEx Configuration Manager Plugin. With this installed, press F1 to open the settings. Alternatively, tweak the config file in BepInEx/config. Hope you enjoy it!!!

SeaTruck Speed Mod

Finding it hard to escape from those pesky Leviathans? Got an urgent delivery to make to Delta Base? Do you want to leap like a majestic flying fish from the waters in your Seatruck? Well, now you can achieve all this and more with Seatruck Speed Modifier for Subnautica: Below Zero!


  • Configurable speed modifier.
  • Changes can be made "on the fly" to give you that extra boost when you need it.
  • Works with the latest version of the game, with no dependency on QMM or SML Helper.
  • Supports BepInEx Configuration Manager for setting and modifying mod options.


  • Excessive speed can result in the grounding of your Seatruck!

No Arctic Peepers, Boomerang Fish or Hoopfish were crushed, embedded in windshields, battered senseless or otherwise harmed in the making of this mod. The author takes no responsibility whatsoever for criminal prosecution resulting from the use of this mod.

Installation and Usage