Bonus Round
On San Francisco (being Venom) get to the ATM machine. When there get in front of it by the pillar. Then face to the right and do your special attack to enter the bonus round.
Extra Lives
At the end of the first level when the bosses come, climb the wall. When you get to the top, walk all the way left until you hear the life noise.
When you are in the alley and you reach a big door, climb up the walls on both sides. Beside each piller on one side you will find an extra life and on the other side you will find a continue.
Hidden Power-Ups
When on the roof top in Level 2 (CLIMB), there are hidden power-ups under the water tower. To get them you must punch the tower until the legs break. When this happens you must pick up the tower, and there you would see the power-ups.
Hint: You can beat Dobbleganger easier if you throw the water tower at him.
Hint
When you get a chance to be Venom,pick him.Then play untill you get to the ATM machine. Press your power hits.