Once his health is about half gone, he will begin to charge across the room glowing and will be invincible until he stops glowing. Each time he slams into a wall, shoot him in the back before he turns around. He will also sometimes fire one drill from his gun and two from his shoulders.

He will often stop and fire out three large drills that will slowly fly forward into the wall. He will then turn around and repeat the same for the other wall. He will begin by charging at you and will slam into the wall. Tunnel Rhino will be obsessed with charging towards you all the time during this battle. Once he is defeated you'll receive the Acid Burst. Keep shooting him as he falls from a jump to finish him off. When you take his health down to about half he will begin to fire out three acid bubbles that will explode and cover a larger range. When he jumps up shoot it below him so that he lands on it. He will then reappear in a different position. He will also sometimes glow and melt into the ground. He will then fire a small acid bubble that will bounce around the room dropping small bubbles and will eventually burst when it reaches the roof. Toxic Seahorse will be jumping around often during this battle. When you defeat him you'll receive the Frost Shield. Dash across to the other side of the room and wait for him there and then repeat the process to finish him off.

With the X-Buster, jump up over him as he hits a wall and shoot him from behind with a charged shot. To defeat him, use the Parasitic Bomb or the X-Buster. If he begins to charge up his body, jump high up on the opposite wall as he will fire out a long ice beam that will freeze you if it hits you, and he will then charge at you and cause damage. He will also often fire out three ice projectiles that will become large ice shards when they hit the ground. Dodge him by jumping up the wall and over him as he passes. If he makes his horns glow gold and then grabs you, he will push you up against the opposite wall and will cause heavy damage. Click on a bossīlizzard Buffalo will begin by charging at you. Keep in mind that you'll also have to face Bit and Byte in certain stages. Remember to have sub-tanks filled up before taking on a boss, they can really help you out in a battle. The first eight bosses are displayed in order of weapon weaknesses. Each entry has a detailed description and guide on how to defeat each boss, including which special weapons to use. Listed below are all the bosses you'll encounter in the game.

Mega man x3 bit