Sandpit is a sandbox mod for Half-Life.

Features include:

  • Spawn menus for monsters and models
  • Pose menu for moving, changing skins and mouth-posing monster and models
  • Automatic mounting of Opposing Force, Counter-Strike and Day of Defeat content


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10 years ago the first version of Sandpit was released - it wasn't much - just the spawn menu and a few monsters from Half-Life, all based off some VGUI tutorials by Richard Zad at The Wavelength. For the next few years Sandpit got lots of updates with lots of features but by 2010 other projects (like Sandbot) had started to take up more time.

Sandpit's improved posing capabilities

In 2013 full-time work rolled around and not a lot of programming got done for fun anymore, but the updates to Half-Life and the release of the updated SDK re-ignited some interest and Sandpit started getting some more attention again. In the background, work on Basis got moved to new Half-Life SDK.

Sandpit's spawn menu

In 2015 a new job meant more desire to finally get Sandpit v4 to happen. Until then nothing had really been done beyond patching a code-base that was very obviously messy and in need of some love. Basis was tidied up and released publicly in 2015 and in 2016 and a new Sandpit was forked off Basis to take advantage of the fixes and structure that it brought. Work continued slowly for the next little while, but by the second half of 2018 it was still far from completion. The looming 10 year anniversary of Sandpit meant a lot of work got done in September, October and November of 2018 to get the most important features done in time.

Sandpit's spawn menu

In spite of best efforts, there was still an annoying bug in v4.0 that couldn't be reliably reproduced during testing and so a day later v4.0.1 was released to fix it.

There's still lots more planned for Sandpit (follow Sandpit to stay informed) - here's to another 10 years!

P.S. there are still two days left to vote for Mod DB's Mod of the Year - vote for Sandpit at Moddb.com

Transmission 15929

Transmission 15929

Feature 7 comments

A new episode of Podcast 17 featuring Stargate: Legacy, Half-Life 2: Dawn, Valve's recent interview on GTTV, brief discussions about SHIFT and Perfect...

RSS Files
SandPit 4.0.1 (EXE)

SandPit 4.0.1 (EXE)

Full Version 2 comments

SandPit 4.0.1 installer version. Automatically detecting Steam HL1's path.

Sandpit v4.0.1 (ZIP)

Sandpit v4.0.1 (ZIP)

Full Version 8 comments

Sandpit v4.0.1 fixes stability issue in the previous release.

Sandpit v4.0 (ZIP)

Sandpit v4.0 (ZIP)

Full Version 9 comments

Sandpit v4.0 is a complete re-write of Sandpit on the latest version on the Half-Life SDK.

SandPit 3.7.1 (EXE)

SandPit 3.7.1 (EXE)

Full Version 38 comments

SandPit 3.7.1 installer version. Automatically detecting Steam HL1's path.

Sandpit v3.7.1 (ZIP)

Sandpit v3.7.1 (ZIP)

Full Version 29 comments

Fixed crash on map change (thanks SylvesterBarry@ModDB). Extract the .zip to steamapps\common\Half-Life\ and restart Steam to play.

Sandpit v3.7 (ZIP)

Sandpit v3.7 (ZIP)

Full Version 25 comments

Extract the .zip to steamapps\common\Half-Life\ and restart Steam to play.

Comments  (0 - 10 of 1,005)
DragonXid
DragonXid

is it possible to just get some stuff from the source of go-mod
and put it to sandpit?

Reply Good karma Bad karma+1 vote
tschumann Creator
tschumann

DragonXid I can but I won't as Go-Mod's license requires me to redistribute changes I make (which I won't do - I open source a lot of what I do through Github.com instead).

Reply Good karma+1 vote
DragonXid
DragonXid

thanks, sorry for disturbing you

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tschumann Creator
tschumann

DragonXid no worries - ask away.

Reply Good karma+1 vote
Guest
Guest

Could you fix the Houndeyes? They seem to kill themselves when attacking.

Reply Good karma Bad karma0 votes
tschumann Creator
tschumann

I haven't changed the houndeye AI and looking at it I can see that the sonic attack shouldn't hurt other houndeyes.
Is it the sonic attack that is the problem?

Reply Good karma+1 vote
DragonXid
DragonXid

and can you add the option to spawn ally zombie or grunt etc

like in go-mod you can spawn friendly zombies etc

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tschumann Creator
tschumann

DragonXid yeah I'll look into this - currently the code isn't set up to handle it very well but I'll see what's possible.

Reply Good karma+2 votes
DragonXid
DragonXid

is it possible to just get some stuff from the source of go-mod
and put it to sandpit?

Reply Good karma Bad karma+1 vote
DragonXid
DragonXid

add counter strike weapons?

Reply Good karma Bad karma+1 vote
tschumann Creator
tschumann

DragonXid I'll probably add some eventually yeah - I won't be able to add all of them because there's a cap on the number of weapons a mod/game can have.

Reply Good karma+2 votes
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Highest Rated (7 agree) 10/10

This game was QUITE a fun game, I love it, what else is there to say?

Dec 26 2010 by LandyRS

Twitter

Latest tweets from @teamsandpit

Expanding pose menu for next version of Sandpit #halflife #goldsource #modding T.co

Jan 9 2019

Sandpit v4.0.1 has been released: Moddb.com #halflife #goldsource #modding #hotfix T.co

Dec 8 2018

Sandpit v4.0 has been released: Moddb.com #halflife #goldsource #modding T.co

Dec 8 2018

Next version of Sandpit is nearly ready #halflife #goldsource #modding T.co

Nov 24 2018

Progress continues on Sandpit's new pose menu #halflife #goldsource #modding T.co

May 6 2018

Sandbot v0.4.2 released (.zip: Moddb.com, src: Github.com) - fixed singleplayer and bot_… T.co

Apr 21 2018

gssmt v0.0.3 released Moddb.com extract Half-Life .bsp, Half-Life PS2 .dol, Half-Life PS2 .spz and Co… T.co

Apr 6 2018

Work in progress pose menu for next major version of Sandpit #halflife #goldsource #modding T.co

Mar 4 2018

Sandbot v0.4.1.1 released (.zip: Moddb.com, src: Github.com) - fixed waypoint crash on L… T.co

Dec 26 2017

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