There also exist additional modes of marketing research, which are:
Bird & Beans does not have any additional modes.
Aspirin has been shown to have three additional modes of action.
P should be maximized but kept below the level that generates additional modes.
In Left 4 Dead 2 two additional modes have been introduced.
This entry was released in 2000, and added additional modes of play.
New games have introduced additional modes that usually carry over to the sequels.
In addition to play by the original rules, Clue has an additional mode that allows movement via "points."
There is an additional mode in which you can create your own music.
The game also offers additional modes that make exclusive use of the mini-games.