Deadshot is currently available for free on Steam - the shooter normally costs €5.19.

Deadshot is a retro first-person shooter in the style of classics like Half-Life, Doom and Quake, in which you fight for survival as a soldier in a mutant apocalypse.

The campaign features 3 chapters with 6 levels each, plus 7 weapons and 5 weapon attachments. There is no native Linux version, so the game has to run via Proton.

You wake up as an army soldier in the middle of a mutant apocalypse, trying to figure out what the hell happened and blasting some heads on the way. Deadshot is a retro styled first person shooter inspired from classics like Half Life, Doom, Quake and many alike.

Something happened to the world overnight, everyone either became a mutant or is dead and it seems like you’re the only one who can figure out what happened and put a stop to it. Go through tunnels, laboratories, buildings and storage areas, exploring for secrets, finding items to progress and killing mutants to survive.

Experience a 3 chapter campaign with 6 levels each, 7 different weapons, 5 weapon attachments, tons of killing all while listening to badass music composed by White Eyes, Noxtromo and Torturerr.

Free to keep when you get it before 23 Sep @ 10:00am

If you want it, be quick: the offer only runs until September 23.

Source: Steam