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The year is 2037. The police forces of the world have been disassembled due to their incompetence at stopping the ever-rising waves of crime. Instead, private security companies have taken upon themselves to protect citizens or entire companies from criminals for a fee. One of the best-known security services in the city of Freeport is HardCorps, under the command of Colonel John Blade. A large-scale bank heist involving a hostage situation, apparently perpetrated by a well-known gangster Mancini, attracts the attention of HardCorps, and John is summoned to the crime scene. Further investigation reveals the existence of a powerful new drug called the U4, and possible ties to a multi-national biotechnology corporation known as SiNtech, which is guided by the beautiful and enigmatic Elexis Sinclaire. With the help of his colleagues from HardCorps, John will have to avert the greater threat and save the city.

SiN is a first-person shooter that uses a modified version of the Quake II engine. John Blade is armed with a rather standard FPS arsenal, starting with a default bare knuckles and a pistol, and ending with heavy guns such as rocket launcher and plasma rifles. The game is notable for being the first FPS that had missions exclusively based on stealth (i.e., the game is automatically lost if the hero is detected). The game incorporates realistic damage effects: headshots are instantly effective, while shooting an enemy in the knees will merely hinder his movements. SiN also includes the option of hacking computer terminals to disable security.

Cutscenes are employed to advance the plot between the levels. At certain times, the outcome of a mission will be different depending on the player's actions during it. Taking a cue from Duke Nukem 3D, SiN features a wise-cracking main hero, humorous "easter eggs", and environments with a high degree of interaction.


SiN Windows It all starts out with a simple bank robbery.
SiN Windows You'll find many computer terminals as you make your way through the levels.  What you see in the 3D world...
SiN Windows This is where you make your choice
SiN Windows Blessed union of Duke and Laura

Promo Images

SiN Magazine Advertisement Part 2
SiN Magazine Advertisement Part 2
SiN Magazine Advertisement Part 4
SiN Magazine Advertisement Part 1


Alternate Titles

  • "シン" -- Japanese spelling

Part of the Following Groups

User Reviews

It would be a sin not to play this excellent game Windows Katakis | カタキス (42793)
Barney Miller is here to teach you a lesson in pain Windows Ian McLean (23)
My all time favourite. Windows Goteki45 (352)
An underrated shooter Windows x0n1c64 (14)
A typical blast-fest with an actual plot. Windows Matt Dabrowski (222)
A near miss Windows Alex L (1029)

Critic Reviews

Absolute Games ( Windows Nov 11, 1998 90 out of 100 90
Hacker Windows Dec, 1998 89 out of 100 89
PC Games (Germany) Windows Dec, 1998 88 out of 100 88
PC Action (Germany) Windows Nov, 1998 88 out of 100 88
GameStar (Germany) Windows Dec, 1998 85 out of 100 85
Computer and Video Games (CVG) Windows Jan, 1999 4 Stars4 Stars4 Stars4 Stars4 Stars 80
PC Player (Germany) Windows Dec, 1998 70 out of 100 70
Adrenaline Vault, The (AVault) Windows Nov 12, 1998 3 Stars3 Stars3 Stars3 Stars3 Stars 60
GamePro (US) Windows Jan 01, 2000 2.5 out of 5 50
Cincinnati Enquirer Windows 2000 2 Stars2 Stars2 Stars2 Stars 50


Topic # Posts Last Post
Blade is black? 66 Chentzilla (226)
Dec 12, 2007



When SiN was first released, it was so buggy that, at one point, the first boss just stood still while he was being hit.

Capture The Flag

Ritual Entertainment released a free Capture The Flag multiplayer add-on along with the 1.04 patch.


Some copies of the SiN demo carry the nasty CIH virus, which corrupts a hard disk and BIOS on the 26th of the month. These infected copies came into circulation from players who downloaded the demo onto their infected computer, then uploaded the demo to their website for people to download.

German index

On December 4, 1998, SiN was put on the infamous German index by the BPjS. For more information about what this means and to see a list of games sharing the same fate, take a look here: BPjS/BPjM indexed games.

German version

In the German version, all blood and gore effects were removed.


On October 24, 2000, a feature length anime based on the game was released (VHS and DVD).


SiN featured the first-ever multiplayer level with multiple gravity axis (the Escher house-themed paradox), as well as the first commercial miniaturization level (spry), which let players duke it out in a giant living room.


  • In a few levels in the game (SinTEK Chemical Plant part 1, Sinclaire estate, etc.) issues of the computer game magazine PC Zone can be seen laying on tables. The developers were so impressed by the coverage of PC Zone that they included the front cover of that issue in the game.
  • In the first level, there is a safe hidden behind a picture in one of the rooms in the bank (the one with only one picture). In the safe there are two boxes of Quake Mission Pack No 1 games.
Information also contributed by Ajan, ClydeFrog, Goteki45, NeoMoose, Spartan 234, Steve Hessel and Xoleras.

Related Web Sites

  • SiN (official website)
  • Blade's Sin Page (A fan page )
  • Postmortem: Ritual Entertainment's Sin (A postmortem of the FPS, SiN, on the industry website Gamasutra. The article is written by one of the game's programmers, Scott Alden, and discusses the balance between what went right in the creation of the game and what was problematic (Mar. 5th, 1999).)
  • Sin Japanese (An interesting site that has the game's entire dialogue in English and Japanese.)
  • Sinpost (A nice place for Sin-related stuff.)
  • Wikipedia: Sin (A general article about the game in the open encyclopedia.)
Contributed to by chirinea (46989) and Matt Dabrowski (222)
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