I haven't taught you all conrtols. Other weapons are availible by pressing: Z,X,C,V, or B.
============Final test==========
Try out your learned skills form Test Room 1. plus there's a training room that you a recommended to go into before an actual fight. But it is optional.
========Secret Basement?======
There's a basement stairs leading somewhere. Play SPLODER: Test Room B1 if you decide to explore it. Or you can proceed to SPLODER: Lvl 1. simply choose.
