As the scene side-scrolls, you can’t afford to make any mistakes from here. Watch for pink crates falling above one hole at the start. Jump over some acid pits and watch for acid pouring from above. At a section with conveyor belts, the yellow crates are bigger than the pink ones. Next, you’ll see hydraulic presses, so be careful not to be crushes. At the next section with acid pits, hydraulic presses on the ground may try to push you towards electric barriers, so make haste to jump to the next landing. Once you go far, you’ll take on a missile dreadnought. The first thing to aim at is the glowing core on the nose. After the core on the nose is gone, the dreadnought will move a little bit, and be sure to dodge the flames expelling from the boosters. The turntables by the nose and tail will release pellets, so be sure to dodge what you can. Destroy the core on the tail and you’ll next take on the master parasite. The master parasite will walk up towards you and throw punches once close enough. The only way you can attack it is by shooting at its head. Defeat this parasite and you have completed the game. ... https://www.youtube.com/watch?v=hvbRLeic9Hg