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MissionForce: CyberStorm
Publisher(s)Sierra On-Line
Year released1996
Followed byCyberStorm 2: Corporate Wars
Genre(s)Turn-based strategy
ModesSingle player, Multiplayer
LinksMissionForce: CyberStorm at PCGamingWikiMissionForce: CyberStorm ChannelSearchSearch

MissionForce: CyberStorm (commonly referred to as CyberStorm) is a turn-based strategy game developed by Dynamix and published in 1996 by Sierra On-Line. The game is set in the Earthsiege universe created by Dynamix, and the player control units of HERCULANs (Humaniform-Emulation Roboticized Combat Unit with Leg-Articulated Navigation): bipedal warmachines of varying size and construct, more commonly known as HERCs. Although CyberStorm was a limited commercial success, it sold well enough to spawn a 1998 sequel called CyberStorm 2: Corporate Wars. It was digitally released by Activision on July 23, 2019.


The player starts as an employee of the Unitech Corporation, serving as a commander of a private military taskforce to fight a race of mechanical beings mankind created long ago called Cybrids. The game's plot and atmosphere is filled in via messages and text between missions, and is rather dark. The corporate environment is cold and ruthless, with military decisions being controlled by a computer system called the Main Synthetic Intelligence (MSI). Early on in the game one of the corporate communiques implies that Unitech can and will execute any of its military officers if they fail. This is confirmed if the player ever loses the game by having his or her forces eliminated down to the last HERC without having enough credits to replace them.

The player's soldiers are "BioDerms," short-lived, artificially-created humanoids designed to pilot the HERC war machines. The BioDerms are supposedly used because of their genetically engineered reflexes, their ability to be directly "linked" to the HERCs, and their obedience. The instructions and early parts of the game indicate that these BioDerms are sub-human, more like trained dogs, but later communiques show that they are intelligent, can think independently (and even rebel), and even think of one model as a "messiah." Thus, the BioDerms are actually slaves: disposable humanoids to be used on the battlefield, and "recycled" for a few credits or blown up in kamikaze attacks by corporate officers when they are no longer useful. One early communique describes the horror of having one's genes taken to create BioDerms, and if the player wins the game, Unitech makes it clear that they will in fact do that with the player's avatar, it is an "honor," and there is no choice.


By completing missions and progressing, the player gains rank in order to get access to more advanced equipment and hardware, as well as being able to control more HERCs. Missions can be selected from a list of Cybrid-controlled planets within a specified system.

The game is played from a top-down isometric view-perspective typical for turn-based strategy games. The player gets credits for every enemy they destroy as well as a mission-bonus dependent on the difficulty of the mission. However, in the beginning of the game the primary source of income is through mining ore, which can be found scattered across the maps. All HERCs can be outfitted with an ore extractor which when activated collects all mineable ore in the hexagon where the machine is standing.

All maps and enemy locations are randomly generated, meaning no two playthroughs will be the same. The campaign as a whole, however, is not dynamic; player success or failure does not affect upcoming battles beyond the strength of the player's forces.

In between missions the player manages HERCs and pilots in the HERC Base. From here the player can buy and assign BioDerms. The player also has the opportunity to repair, customize and upgrade their HERCs from a wide range of equipment, for instance by adding more advanced life-support to increase BioDerm survival-rate, better shields, different armor, or fitting more powerful weapons to the chassis.

Table of Contents


MissionForce: CyberStorm/Table of Contents