Cybernator

Screenshots:

Background:
Cybernator is a graphically detailed platform shooter that enlists the player as a member of the 95th brigade of the mechanized marines. The mech suit is equipped with shields, a propulsion pack (for flying), a punching mechanism, and an antigravity suction that provides traction on all surfaces. In addition, it has a three-way eliminator cannon outfitted with upgradeable (via power-ups) vulcan shells, laser beams and homing missiles. Each of the seven levels of play has different objectives (such as shutting down an ore processing plant and destroying a weapons facility), but the action largely consists of killing enemies (including other mechs and giant bosses) and blowing up stuff.
— Brett Alan Weiss, All Game Guide

Gameplay:
You can fire in all directions and jet pack yourself to safety, when needed. Use your shield to deflect bullets. You can also slide your way through explosions.

Features:
Vast array of weapons can be employed.

Weapons gain levels when you pick up power chips.

Huge sprites and detailed boss designs.