The toys over the playfield are neat, with magnets, trapdoors, a “Quantum Theatre” which provides visuals and likewise acts as other toys that aren’t physically there, sort of like virtual pinball. Massive Game can be a 1980 pinball machine manufactured by Stern Electronics, Inc. and intended by Harry Williams. https://pinballcop.com/product/monster-bash-home-use-only-pinball-machine-by-williams/