Sandpit v4.1 has been released: https://www.moddb.com/mods/sandpit/downloads/sandpit-v41

Sandpit v4.0.1 has been released: https://www.moddb.com/mods/sandpit/downloads/sandpit-v401
Sandpit has been updated to an occasional crash when loading a map.
Mod DB's Mod of the Year voting closes in 2 days so there's still time to vote for Sandpit: https://www.moddb.com/mods/sandpit
If you haven't already you can follow Sandpit on Mod DB to be informed of updates: https://www.moddb.com/mods/sandpit

Sandpit v4.0 has been released: https://www.moddb.com/mods/sandpit/downloads/sandpit-v40
Sandpit has been completely re-written to run on the latest version of the Half-Life SDK.
Mod DB's Mod of the Year voting closes in 2 days so there's still time to vote for Sandpit: https://www.moddb.com/mods/sandpit
If you haven't already you can follow Sandpit on Mod DB to be informed of updates: https://www.moddb.com/mods/sandpit

Get it at http://www.moddb.com/mods/sandpit/downloads/sandpit-v371
This update fixes a crash on map change.

This version version fixes the game crashing in certain situations.
Get it at http://www.moddb.com/mods/sandpit/downloads/sandpit-v37