Nightfall Games was founded by Dave Allsop, Anne Boylan and Jared Earle in April 1993 in Glasgow, Scotland. In September 1993, Nightfall released their role-playing game SLA Industries. After releasing their first sourcebook Karma in 1994, Nightfall was purchased by Wizards of the Coast (WotC). Nightfall was started up again in 1998 by Allsop, Earle and Tim Dedopulos after regaining the rights to SLA Industries from WotC. In 1999, Nightfall partnered with Hogshead Publishing to continue publishing SLA. Hogshead closed operations in November 2002, after which Nightfall partnered with Cubicle 7 Entertainment. In 2004, Dave Allsop, the creator of SLA Industries, temporarily resigned from Nightfall.
In April, 2011, Nightfall Games returned to independent status while retaining Cubicle 7 as their publisher
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