UK 7″ ‘Atomic City’ (MCA 1342 / 1989)
4:19 Atomic City (7″ mix)
3:48 Beat The System

UK 12″ ‘Atomic City’ (MCAT 1342)
6:16 Atomic City (extended version)
3:48 Beat The System

UK 12″ ‘Atomic City – Julian Mendelsohn Remixes’ (MCAX 1342)
7:27 Atomic City (the bona biodegradable mix)
3:45 Beat The Sytem
6:36 Atomic City (environmental instrumental)

UK 5″ CD ‘Atomic City’ (DMCAT 1342)
4:19 Atomic City (7″ mix)
3:48 Beat The System
6:16 Atomic City (extended version)

German 3″ CD ‘Atomic City’ (MCA Teldec 257 512-2)
same tracks as UK CD / housed in 3″ PC

US 2×12″ ‘It s Only A Test!’ (Razormaid SP011 / blue vinyl)
11:10 Atomic City / Relax (DJ remix)

US CD ‘This Is Only A Test!’ (Razormaid SP-03)
7:09 Atomic City / Relax (DJ remix)