These are several official design documents shared with the community. They span across over a year (1997-1998) and give an interest insight into the game.

• ANNE SELECTIONS: This contain the script for the character Anne. It follows the game path and do not contain unrecorded lines (Sadly we do not have a copy of the original script).
• Area Creation How-To: Guidelines and suggestion on how to create areas in the game.
• Asset Creation Guidelines: Guidelines on how to create assets for Trespasser.
• GUIApp Functionality Checklist: "Appears to be more sort of "how to be sure your level is working OK using GUIapp". So, it may be useful in level development, too." - machf
• GUIApp Knowledge Base: Help that explains the various GUIApp functions.
• Hammond Numbers (2): The first script of Hammond's voiceovers we got. Does not include unrecorded lines unlike the original one over at http://jurassictime.trescom.org/
• Scene building checklist: Checklist of things to check before submitting a level.
• TRIGGERS - Temp 0705: An early version of the various triggers used in the game. Earlier version than the one found in the source.
• Walkthrough 8-1-97: A really early version of the type of idea the devs had for the levels. Includes ideas for the lost Plains level, as well as a completely different layout of the Town level (that was never started).

Heightmaps extracted from the Trespasser levels and pasted as layers on a PSD (PhotoShop) image, on top of Zandor's map.

Heightmaps extracted from the Trespasser levels and pasted as layers on an XCF (Gimp) image, on top of Zandor's map.

An Excel listing containing the various identified sounds present in the Beta 103 version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

Here's the basic Synopsis Drac had planned for the Escape from Jurassic Park mod, plus some other notes.

An Excel listing containing the various identified sounds present in the Demo version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

An Excel listing containing the various identified sounds present in the Beta 99 version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

An Excel listing containing the various identified sounds present in the Beta 96 version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Basically identical to Beta 96's, but included for completeness' sake.

Updated on December 25, 2020.

An Excel listing containing the various identified sounds present in the Build 55 version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

An Excel listing containing the various identified sounds present in the PC Gamer pre-release version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

An Excel listing containing the various identified sounds present in the Beta 96 version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

An Excel listing containing the various identified sounds present in the Retail version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.

Documentation for the various file formats used by Trespasser. Mostly useful for developers who want to make new tools for modding the game. WIP.

Document created by Andres, based on original document created by PenguiN42, TSOrd, and Andres, currently updated and maintained by machf.

Documents how the different script keywords are used when making a level. WIP.

Document researched and created by Andres, with additional research by Rebel, BigRed, Draconisaurus, chronzerg and machf.

An Excel listing containing the various identified sounds present in the PC Gamer pre-release version's Menu.TPA, Effects.TPA, Stream.TPA and Ambient.TPA files, so that they can be addressed in new levels.

Updated on December 25, 2020.