diff --git a/common.mk b/common.mk
index e10ceab..3663f97 100644
--- a/common.mk
+++ b/common.mk
@@ -22,7 +22,7 @@ DEPS += defs.h structs.h
 
 OBJS += atlas.o
 OBJS += battery.o blaze.o bob.o boss.o blobBoss.o
-OBJS += camera.o combat.o consumable.o
+OBJS += camera.o cell.o cherry.o combat.o consumable.o
 OBJS += draw.o
 OBJS += effects.o entities.o explosions.o eyeDroidCommander.o
 OBJS += frost.o
diff --git a/src/combat/explosions.h b/src/combat/explosions.h
index 10217be..54e0419 100644
--- a/src/combat/explosions.h
+++ b/src/combat/explosions.h
@@ -22,7 +22,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 extern int rrnd(int low, int high);
 extern void stunPlayer(void);
-extern void applyEntityDamage(Entity *e, int amount);
 extern void addExplosionEffect(int x, int y, int dx, int dy);
 extern void playSound(int snd, int ch);
 extern Entity **getAllEntsWithin(int x, int y, int w, int h, Entity *ignore);
diff --git a/src/hub/hub.h b/src/hub/hub.h
index 156c06a..fbd7970 100644
--- a/src/hub/hub.h
+++ b/src/hub/hub.h
@@ -24,4 +24,3 @@ extern int getDistance(int x1, int y1, int x2, int y2);
 
 extern Dev dev;
 extern Game game;
-extern World world;
diff --git a/src/world/entities/blobs/mia.h b/src/world/entities/blobs/mia.h
index 468cdf1..78822d7 100644
--- a/src/world/entities/blobs/mia.h
+++ b/src/world/entities/blobs/mia.h
@@ -30,5 +30,4 @@ extern void updateObjective(char *targetName);
 extern void addRescuedMIA(char *name);
 
 extern Entity *self;
-extern Game game;
 extern World world;
diff --git a/src/world/entities/blobs/teeka.h b/src/world/entities/blobs/teeka.h
index 941b500..6977187 100644
--- a/src/world/entities/blobs/teeka.h
+++ b/src/world/entities/blobs/teeka.h
@@ -20,7 +20,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "../../../common.h"
 
-extern void lookForEnemy(void);
 extern void unitTick(void);
 extern int getSpriteIndex(char *name);
 extern int rrnd(int low, int high);
diff --git a/src/world/entities/boss/tankCommander.h b/src/world/entities/boss/tankCommander.h
index f62a66a..81fde53 100644
--- a/src/world/entities/boss/tankCommander.h
+++ b/src/world/entities/boss/tankCommander.h
@@ -25,13 +25,11 @@ extern int getSpriteIndex(char *name);
 extern void playMusic(char *filename, int loop);
 extern void addTeleportStars(Entity *e);
 extern float limit(float i, float a, float b);
-extern void addSmokeParticles(float x, float y);
 extern int rrnd(int low, int high);
 extern int getDistance(int x1, int y1, int x2, int y2);
 extern int enemyCanSeePlayer(Entity *e);
 extern void addDefeatedTarget(char *name);
 extern void updateObjective(char *targetName);
-extern double randF(void);
 extern void playSound(int snd, int ch);
 extern Entity *createBaseBullet(Entity *owner);
 extern void getSlope(int x1, int y1, int x2, int y2, float *dx, float *dy);
diff --git a/src/world/entities/boss/tankTrack.h b/src/world/entities/boss/tankTrack.h
index 9e310ad..1876465 100644
--- a/src/world/entities/boss/tankTrack.h
+++ b/src/world/entities/boss/tankTrack.h
@@ -22,21 +22,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 extern void initBoss(Entity *e);
 extern int getSpriteIndex(char *name);
-extern void playMusic(char *filename, int loop);
-extern void addTeleportStars(Entity *e);
-extern float limit(float i, float a, float b);
-extern void addSmokeParticles(float x, float y);
 extern int rrnd(int low, int high);
-extern int getDistance(int x1, int y1, int x2, int y2);
-extern int enemyCanSeePlayer(Entity *e);
-extern void addDefeatedTarget(char *name);
-extern void updateObjective(char *targetName);
-extern double randF(void);
 extern void playSound(int snd, int ch);
-extern Entity *createBaseBullet(Entity *owner);
-extern void getSlope(int x1, int y1, int x2, int y2, float *dx, float *dy);
-extern void addExplosion(float x, float y, int radius, Entity *owner);
 
 extern Entity *self;
-extern Game game;
 extern World world;
diff --git a/src/world/entities/items/cell.c b/src/world/entities/items/cell.c
new file mode 100644
index 0000000..0ea6c50
--- /dev/null
+++ b/src/world/entities/items/cell.c
@@ -0,0 +1,57 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "cell.h"
+
+static void touch(Entity *other);
+
+void initCell(Entity *e)
+{
+	initItem(e);
+
+	e->isMissionTarget = 1;
+
+	STRNCPY(e->spriteName, "Battery", MAX_NAME_LENGTH);
+
+	e->sprite[0] = e->sprite[1] = e->sprite[2] = getSpriteIndex("Battery");
+
+	e->spriteFrame = 0;
+	e->spriteTime = -1;
+
+	e->touch = touch;
+}
+
+static void touch(Entity *other)
+{
+	if (other != NULL && other->type == ET_BOB && self->alive == ALIVE_ALIVE)
+	{
+		game.cells++;
+
+		world.bob->power = world.bob->powerMax = game.cells;
+
+		setGameplayMessage(MSG_OBJECTIVE, "Found a battery cell - Max power increased!");
+
+		playSound(SND_HEART_CELL, CH_ITEM);
+
+		self->alive = ALIVE_DEAD;
+
+		updateObjective("HEART_CELL");
+	}
+}
diff --git a/src/world/entities/items/cell.h b/src/world/entities/items/cell.h
new file mode 100644
index 0000000..be55ef5
--- /dev/null
+++ b/src/world/entities/items/cell.h
@@ -0,0 +1,31 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "../../../common.h"
+
+extern void initItem(Entity *e);
+extern int getSpriteIndex(char *name);
+extern void setGameplayMessage(int type, char *format, ...);
+extern void playSound(int snd, int ch);
+extern void updateObjective(char *targetName);
+
+extern Entity *self;
+extern Game game;
+extern World world;
diff --git a/src/world/entities/items/cherry.c b/src/world/entities/items/cherry.c
new file mode 100644
index 0000000..c028617
--- /dev/null
+++ b/src/world/entities/items/cherry.c
@@ -0,0 +1,44 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "cherry.h"
+
+static void touch(Entity *other);
+
+void initCherry(Entity *e)
+{
+	initConsumable(e);
+	
+	e->touch = touch;
+}
+
+static void touch(Entity *other)
+{
+	if (touchedPlayer(other))
+	{
+		world.bob->health = limit(world.bob->health + self->value, 0, world.bob->healthMax);
+
+		setGameplayMessage(MSG_STANDARD, "Picked up a %s", self->name);
+
+		pickupItem();
+
+		playSound(SND_CHERRY, CH_PLAYER);
+	}
+}
diff --git a/src/world/entities/items/cherry.h b/src/world/entities/items/cherry.h
new file mode 100644
index 0000000..f91d6e7
--- /dev/null
+++ b/src/world/entities/items/cherry.h
@@ -0,0 +1,34 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "../../../common.h"
+
+extern void initConsumable(Entity *e);
+extern int getSpriteIndex(char *name);
+extern void setGameplayMessage(int type, char *format, ...);
+extern void playSound(int snd, int ch);
+extern void updateObjective(char *targetName);
+extern int touchedPlayer(Entity *other);
+extern void pickupItem(void);
+extern float limit(float i, float a, float b);
+
+extern Entity *self;
+extern Game game;
+extern World world;
diff --git a/src/world/entities/items/item.h b/src/world/entities/items/item.h
index 214a1aa..fae5c53 100644
--- a/src/world/entities/items/item.h
+++ b/src/world/entities/items/item.h
@@ -21,10 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "../../../common.h"
 
 extern void playSound(int snd, int ch);
-extern void pickupItem(void);
 extern void setGameplayMessage(int type, char *format, ...);
-extern void initConsumable(Entity *e);
-extern int touchedPlayer(Entity *e);
 extern void addTeleportStars(Entity *e);
 extern void initEntity(Entity *e);
 extern int getSpriteIndex(char *name);
diff --git a/src/world/entities/unit.h b/src/world/entities/unit.h
index 06163d8..b07b958 100644
--- a/src/world/entities/unit.h
+++ b/src/world/entities/unit.h
@@ -25,8 +25,6 @@ extern void lookForPlayer(void);
 extern int rrnd(int low, int high);
 extern float limit(float i, float a, float b);
 extern int getDistance(int x1, int y1, int x2, int y2);
-extern void addTeleportStars(Entity *e);
-extern void playSound(int snd, int ch);
 extern int canFire(Entity *target);
 extern void fireAimedShot(Entity *e);
 extern void fireMachineGun(Entity *e);