There are a few cheat codes for Plazma Burst 1 and Plazma Burst: Foward to The Past. These can be typed into a text box that is brought up by pressing the tilde key, '~'. Unlike Plazma Burst 2's cheat code interface being exclusive to those who complete the campaign, Plazma Burst 1 and Plazma Burst 2: Foward to the Past do not require any missions completed in order to use it.
NA MIVAN KECSKEFEJŰ VILI
"moreall" is a cheat code which can raise the amount of grenades that you have from 5 to 100. It also stops the rocket launcher using up grenades each time it is fired. The same interger rule applies for "moreall".
"autism" is a code amount of vaccines you got from 0 to 1