S= Sound On or Off
M= Back to main menu.
Esc= Quit
1, 2, 3= Change Game-speed.

Normal Mode - Eat fish and grow. You can eat any fish a level smaller.

Hard Mode - Same as normal, but you are hunted by every fish larger than yourself.

Challenge - No upgrading, eat as many kelp as possible before death. (Click and hold to speed up)

Hunter - Normal mode but without being able to eat every fish. You can only eat a size smaller.

Upgrading speed makes you faster, but you gain no lives and are slightly larger.

Upgrading defense gives you a life for protection, and you are slightly smaller than upgrading speed. You don't go as fast.

Tags: fish, toothy, depths, teeth, upgrade, arcade

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