To play 3 or 4 players on Hydro Thunder you need a Expansion Pak in your expansion slot.
expansion slot
At the top of the console. (HINT: its a slot.)
No.
MCA
MCA
Yes the n64 can but to play Japanese games on the system is to get rid of the plastic tabs in the cart slot because that stop Japanese games from going in.
Heat expansion.
its a pak system that allows you to play Donkey Kong 64 and Legend of Zelda. you have to unplug the n64 from the wall and turned off power to replace the jumper pak with the expansion pak
The expansion slot is the socket on the motherboard that can hold an adapter card. There are different types of expansion slots (pci, pcie, pciex16) so you need to check that the expansion is the same kind as the adapter card.
An obsolete slot for voice-modems I think
motion
For what console? I used it for N64 and all you have to do for that is put it in the slot then put the game on top of it.