Research and Development is a Half-Life 2 mod made with puzzles in mind. There will be no wielding of Half-Life weapons here! Well the Gravity Gun and Bugbait, but most of the puzzles are physics based and cleverly designed.
www.moddb.com
Make sure you place the mod folder in your:
Restart Steam and the game should appear in your library!
Requires:
Half-Life 2
Half-Life 2 Episode One
Half-Life 2 Episode Two
Dependencies:
To be safe, install the following SDK tools for all Windows compatible mods for Half-Life 2:
Source SDK
Source SDK Base 2007
Source SDK Base 2013 Singleplayer [set Beta to: upcoming]
Dependencies:
Set the following Compatibility to Proton Experimental
Source SDK Base 2013 Singleplayer
Important!
When clicking "Play" you may have to wait a minute for the game to officially launch. I had issues where I thought it crashed when the Play button doesn't display "Cancel" or "Stop" but it actually is running.
Mint 21.3 64-bit
GeForce GTX 1650
Nvidia 550

Research and Development mod for Half-Life 2: Episode Two
Research and Development is a puzzle-centric mod for Half-Life 2: Episode Two featuring an unarmed player but plenty of violent mayhem.
Make sure you place the mod folder in your:
Download the patch and copy/paste the baryonic_predicament folder over the original one. Merge everything!/home/username/.steam/steam/steamapps/sourcemods/
Restart Steam and the game should appear in your library!
Requires:
Half-Life 2
Half-Life 2 Episode One
Half-Life 2 Episode Two
Dependencies:
To be safe, install the following SDK tools for all Windows compatible mods for Half-Life 2:
Source SDK
Source SDK Base 2007
Source SDK Base 2013 Singleplayer [set Beta to: upcoming]
Dependencies:
Set the following Compatibility to Proton Experimental
Source SDK Base 2013 Singleplayer
Important!
When clicking "Play" you may have to wait a minute for the game to officially launch. I had issues where I thought it crashed when the Play button doesn't display "Cancel" or "Stop" but it actually is running.
Mint 21.3 64-bit
GeForce GTX 1650
Nvidia 550