Perimeter

Perimeter is an innovative Real-Time-Strategy game that pits players against each other or AI opponents in a life and death struggle to seize territory and establish critical protective “perimeters.” Players…

86 21 May 2004 from $0.79

Real Time Strategy (RTS) Strategy Science fiction

Perimeter is a real time strategy (rts) developed by K-D Lab, released 21 May 2004 on PC (Microsoft Windows). It currently starts at $0.79 at GOG.

Verified 21 Aug 2026 Sources: IGDB , Steam , Wikipedia

What Perimeter is

Perimeter is a real time strategy (rts) game developed by K-D Lab and released in 2004. It was published by 1C Company. It is available on PC (Microsoft Windows) only.

The premise, in the publisher's words

Humanity has undergone radical changes in society. Scientists and spiritual leaders became one and the same, calling themselves Spirits. The Spirits, foreseeing the inevitable destruction of Earth due to the ravages of our time, directed scientific efforts into the discovery of a new plane of existence: the Psychosphere. The Psychosphere acted as a conduit, providing means to reach another, untouched world, a new Promised Land, by jumping between flat worlds within the Psychosphere. The Psychosphere is appropriately named, as the various worlds resemble the thoughts and actions that have occurred upon Earth during its history. The Spirits then embarked upon the construction of massive…

Description from the publisher · source

How it plays

It is played from a bird view / isometric perspective. Its themes are science fiction. It is a single-player game with no multiplayer component. Available modes: Multiplayer and Single player.

How it was received

Perimeter holds a critic score of 86 out of 100. That places it above 88% of the 612 rated real time strategy (rts) games in our database, which average 72. Games released in 2004 averaged 70, so it scored 16 points above the year average.

What you need to run it

The minimum specification calls for Intel Pentium 4+ or AMD Athlon XP 2GHz and faster, 1 GB RAM and nVidia or AMD video card with 128Mb VRAM or more. At 1GB of RAM, it will run on essentially any working PC — that is below what a budget laptop ships with today. Install size is roughly 4GB.

Full requirements and PC checker →

What it costs, and where

The cheapest verified price right now is $0.79 at GOG, 80% below its usual price.

Full price comparison across all regions →

What it launched against

Perimeter launched on 21 May 2004, within three weeks of The Chronicles of Riddick: Escape from Butcher Bay, Thief 3: Deadly Shadows, Thief: Deadly Shadows and Harry Potter and the Prisoner of Azkaban. It reviewed better than 3 of the 4.

Released around the same time: The Chronicles of Riddick: Escape from Butcher Bay, Thief 3: Deadly Shadows, Thief: Deadly Shadows, Harry Potter and the Prisoner of Azkaban.

Cheats and codes

We have not confirmed any working cheat codes for Perimeter yet. Rather than reprint a list we have not tested, this section stays empty until one is verified.

Know one? Send it in and we will test it →

Official trailer

Sourced from the publisher’s YouTube channel. See all 2 videos →

Screenshots

All media

Dlc

Perimeter: Emperor's Testament

6 November 2005

Perimeter: Legate Edition

20 May 2024

Quick answers

Perimeter — frequently asked questions

When did Perimeter come out?

Perimeter was released on 21 May 2004 for PC (Microsoft Windows).

How much does Perimeter cost?

The cheapest current price for Perimeter is $0.79 at GOG, which is 80% off its usual price. Prices on this page are checked daily.

What are the minimum PC requirements for Perimeter?

At minimum, Perimeter needs Intel Pentium 4+ or AMD Athlon XP 2GHz and faster, 1 GB RAM, nVidia or AMD video card with 128Mb VRAM or more graphics, 4 GB available space of storage.

How many GB is Perimeter?

The PC version needs about 4 GB of storage, going by the storage line in the system requirements ("4 GB available space"). Updates can add to that, and console versions have their own sizes, which are not listed here.

If you like this