Released in 1998, SiN is a classic Main Game blending fast-paced Shooter action with Adventure elements across PC, Mac, and Linux. You play as Colonel John Blade, fighting corporate bio-terror in Freeport against Elexis Sinclair, who is mutating the populace with the drug "U4." The core loop involves intense first-person combat and environmental puzzle-solving within complex, interactive levels. While the original has an expansion, the title has also received a modern remaster for continued playability.
The gameplay centers around fast-paced, first-person action set within richly detailed, often claustrophobic environments characteristic of late 1990s shooters. Players navigate complex levels, utilizing a variety of weaponry to combat mutated horrors and Sinclair's private security forces. The adventure aspect is woven through the exploration required to uncover clues related to the U4 drug and Sinclair's overarching plan.
The atmosphere is dark and gritty, reflecting a city struggling under corporate control and bio-terror. Colonel Blade’s mission is personal—to stop Sinclair’s "holy war" against security industries and halt her world-conquering ambitions before humanity is irrevocably altered.
A defining feature of this game is its emphasis on environmental interaction and level design, which often requires players to utilize unique tools and navigate complex, multi-layered maps. While rooted in the shooter mechanics popular at the time, the narrative structure drives the player forward through a compelling mystery involving corporate espionage and bio-engineering ethics, moving beyond simple corridor shooting.
As a main game, the primary experience is self-contained. There are no official downloadable content (DLC) packs associated with the original release. However, the game has received one official expansion pack, adding further content to the core narrative and gameplay experience.
The game has seen continued relevance through its availability across multiple operating systems, including its original releases on PC and Mac, and ports to Linux and Arcade machines.
Yes, this title has received a remaster, ensuring its availability and playability on modern systems, preserving the original vision while addressing compatibility concerns.

Nightdive Studios and 3D Realms have joined forces to bring you SiN: Reloaded, a completely remastered experience of the classic 1998 shooter from Ritual Entertainment. SiN was a groundbreaking story driven FPS brimming with memorable characters, horrific enemies and a devastating arsenal that pushed the Quake II Engine to its limits. Now in 2020 SiN has been Reloaded!

After Elexis Sinclaire disappeared at the end of Sin, Wages of Sin continues the storyline by introducing the new villain Gianni Manero, a mob boss who seeks to gain power from the leftovers of Elexis' former company SinTEK. Manero produces new genetically engineered creatures (mutants) under secret supervision, but when some of these mutants break out and run into the city, the elite security force group HARDCORPS becomes aware of them and it's up to HARDCORPS leader John Blade, who starred as the hero and the player's character in Sin, to set things right.