When playing as Spike, push select to go to the gadget select screen. Then select the monkey net. Push R1 when the net is selected. You should hear a sound. Get out the gadget select screen and then select the monkey net. You now have a water net while on the ground. Fire a net by pushing the right control stick button.
In the Ninja Hideout level in the second section after using the RC car to open the bridge and crossing it, you should find a bunch of breakable objects nearby going down the steps. On the right side of the unbreakable rock is a big bamboo object. Break it to obtain an extra life. Now go out of the area and continue right to enter the next area. Go back to the bamboo object and you’ll see that it respawned. Break it again to obtain another life. You can repeat the process until you max your life count at 99.
Shortcut in Castle Frightmare
There is a way to get to the end of Castle Frightmare without going through the obstacles you encounter if you take the right path when you first enter the castle. When you first enter the castle you will notice that you cannot use the left path unless you go all around the castle and activate it, but you can jump on top of the railing on the left side and jump over the stone blocking it and activate the switch without going through all the obstacles.
Dance With Pink Monkey
You can use Pink Monkey as an alternative character in the mini-game Dance Monkey Dance. After clearing all nine Dance Monkey Dance levels, the expert set appears, which are faster and tougher than the originals. Clear all nine of those and Dance, Pink Monkey, Dance will now be obtainable from the Gotcha Box.