Wriggler is a Spectrum and Amstrad maze game published in 1985 by Romantic Robot. […] Wriggler is based around maggot racing other maggots. The player controls a maggot and has to escape a maze consisting of 256 screens.
The title on the cover uses Glowworm (Mecanorma, 1975). “Romantic Robot” is in Sinaloa (Letraset, 1974). Its R also appears for their logo.