Rock

 are obstacles in Build A Boat For Treasure. They are found in most stages. They can destroy Blocks and can kill a player instantly if their head touches the rock, taking 100% damage per touch.

Types
The color of the s and the sparkling effect of the Sparkling are the only differences between each other.

Regular
Regular s are the most prominent rock in the game, appearing in almost every stage in the game.

Orange
Orange s can be found in the Clock Tower Stage and the Forest Stage.

Winter Themed
These have snow on them. They can be found in the Snow Stage.

Grey & Dark
Grey and dark s can be found in the Grouped Rock Stage.

Sparkling
Sparkling s are found in the Geyser Stage. Sparkling rocks rocks emit sparkle particles.

Crystals
Crystals are found in the Crystal Cave Stage.

Green
Green s can be found in the Tribal Stage.

Moss Covered
Moss covered s can be found in the Autumn Stage, Haunted Library Stage, Pumpkin Circle Stage, Tropical Stage, Jungle Stage and the Swamp Stage.

On player touch (hit)

 * Player instantly dies (If the player's head or upper torso touches it)
 * Disappears
 * Destroys the part of the player it touched

On cannon touch (hit)

 * Disappears

On block touch (hit)

 * Gives 1 damage to a block that touched it
 * Disappears

Trivia

 * Standing on s will damage the player, remove the part of the player that touches the, and destroys the.
 * Sometimes, losing a body part from a will let the player walk on water temporarily