Credits (18 people)
Gameplay Design:
Steve Wetherill (uncredited)
Level Design:Colin Grunes (uncredited)
Many in‑game plants:Stuart Fotheringham (uncredited)
Coding:
Steve Wetherill (uncredited)
Amstrad CPC ports used (both the cassette version and the disk version):mode 0
The code for the original game was developed on a:BBC Model B computer with the Z80 second processor running CPM
Original "Heartland" was written from scratch in:Z80 assembly language
Under "CPM" it was used the:M80/L80 assembler/linker combination, Memo text editor
Art:
Colin Grunes (uncredited)
Background Lore:Colin Grunes (uncredited)
Loading screen based on the package illustration by:Gerry Fisher (uncredited)
Loading screen by:Colin Grunes (uncredited)
Pixel art created in:Melbourne Draw
Music:
Keith Tinman (uncredited)
Sound effects:Steve Wetherill (uncredited)
Music player written by:Andy Walker (uncredited), Steve Wetherill (uncredited)
Music on the Amstrad CPC is derived directly from the:Spectrum version
Potential sources of inspiration:Paul McKenna (uncredited), Marc Wilding (uncredited), Paul Salmon (uncredited), Keith Robinson (uncredited), Stuart Fotheringham (uncredited), other founding members of Odin