Counterblast is a set of free wargames rules for pulp-style adventures. The author writes:
Bombshell Miniatures presents the COUNTERBLAST™ Adventure Battle Game, a pulp-inspired science fiction tabletop skirmish battle game for 15mm or 28mm miniatures. COUNTERBLAST™ takes place in a dieselpunk setting of classic pulp sci-fi adventure with fast paced action and cinematic thrills, evocative of the serials that captivated the imagination of previous generations.