diff --git a/kaa/CMakeLists.txt b/kaa/CMakeLists.txt
index ed603463..d5bedaa2 100644
--- a/kaa/CMakeLists.txt
+++ b/kaa/CMakeLists.txt
@@ -46,9 +46,11 @@ set(CYTHON_FILES
     kaacore/transitions.pxd
     kaacore/custom_transitions.pxd
     kaacore/log.pxd
+    kaacore/hashing.pxd
 
     extra/include/pythonic_callback.h
     extra/include/python_exceptions_wrapper.h
+    extra/include/hashing.h
 )
 
 add_custom_command(
diff --git a/kaa/audio.pxi b/kaa/audio.pxi
index f08cb3a2..cfa57cb0 100644
--- a/kaa/audio.pxi
+++ b/kaa/audio.pxi
@@ -8,6 +8,7 @@ from .kaacore.engine cimport get_c_engine
 from .kaacore.audio cimport (
     CAudioManager, CSound, CSoundPlayback, CMusic, CAudioStatus
 )
+from .kaacore.hashing cimport c_calculate_hash
 
 DEF SOUND_FREELIST_SIZE = 30
 DEF SOUND_PLAYBACK_FREELIST_SIZE = 10
@@ -31,6 +32,17 @@ cdef class Sound:
     def __init__(self, str sound_filepath, double volume=1.):
         self._attach_c_sound(CSound.load(sound_filepath.encode(), volume))
 
+    def __richcmp__(self, Sound other, op):
+        if op == 2:
+            return self.c_sound == other.c_sound
+        elif op == 3:
+            return not self.c_sound == other.c_sound
+        else:
+            return NotImplemented
+
+    def __hash__(self):
+        return c_calculate_hash[CSound](self.c_sound)
+
     @property
     def volume(self):
         return self.c_sound.volume()
@@ -103,6 +115,17 @@ cdef class Music:
     def __init__(self, str music_filepath, double volume=1.):
         self._attach_c_music(CMusic.load(music_filepath.encode(), volume))
 
+    def __richcmp__(self, Music other, op):
+        if op == 2:
+            return self.c_music == other.c_music
+        elif op == 3:
+            return not self.c_music == other.c_music
+        else:
+            return NotImplemented
+
+    def __hash__(self):
+        return c_calculate_hash[CMusic](self.c_music)
+
     @staticmethod
     def get_current():
         return get_music_wrapper(CMusic.get_current())
diff --git a/kaa/extra/include/hashing.h b/kaa/extra/include/hashing.h
new file mode 100644
index 00000000..fce467a5
--- /dev/null
+++ b/kaa/extra/include/hashing.h
@@ -0,0 +1,8 @@
+#include <functional>
+
+
+template<typename T>
+std::size_t calculate_hash(const T& val)
+{
+    return std::hash<T>{}(val);
+}
diff --git a/kaa/fonts.pxi b/kaa/fonts.pxi
index 2ef5f0cc..e044018e 100644
--- a/kaa/fonts.pxi
+++ b/kaa/fonts.pxi
@@ -1,5 +1,6 @@
 from .kaacore.nodes cimport CNodeType
 from .kaacore.fonts cimport CFont, CTextNode
+from .kaacore.hashing cimport c_calculate_hash
 
 
 cdef class Font:
@@ -11,6 +12,17 @@ cdef class Font:
     def __init__(self, str font_filepath):
         self._attach_c_font(CFont.load(font_filepath.encode()))
 
+    def __richcmp__(self, Font other, op):
+        if op == 2:
+            return self.c_font == other.c_font
+        elif op == 3:
+            return not self.c_font == other.c_font
+        else:
+            return NotImplemented
+
+    def __hash__(self):
+        return c_calculate_hash[CFont](self.c_font)
+
 
 cdef Font get_font_wrapper(const CFont& c_font):
     cdef Font font = Font.__new__(Font)
diff --git a/kaa/kaacore/audio.pxd b/kaa/kaacore/audio.pxd
index cf0b9290..12942ded 100644
--- a/kaa/kaacore/audio.pxd
+++ b/kaa/kaacore/audio.pxd
@@ -18,6 +18,8 @@ cdef extern from "kaacore/audio.h" nogil:
         CSound load(const char* path, double volume) \
             except +raise_py_error
 
+        bool operator==(const CSound&)
+
         void play(double volume) \
             except +raise_py_error
 
@@ -54,6 +56,8 @@ cdef extern from "kaacore/audio.h" nogil:
         CMusic get_current() \
             except +raise_py_error
 
+        bool operator==(const CMusic&)
+
         double volume() except +raise_py_error
 
         CAudioStatus status() except +raise_py_error
diff --git a/kaa/kaacore/fonts.pxd b/kaa/kaacore/fonts.pxd
index 4c0ea306..813415d2 100644
--- a/kaa/kaacore/fonts.pxd
+++ b/kaa/kaacore/fonts.pxd
@@ -1,4 +1,5 @@
 from libcpp.string cimport string
+from libcpp cimport bool
 
 from .exceptions cimport raise_py_error
 
@@ -9,6 +10,8 @@ cdef extern from "kaacore/fonts.h" nogil:
         CFont load(const string& font_filepath) \
             except +raise_py_error
 
+        bool operator==(const CFont&)
+
     cdef cppclass CTextNode "kaacore::TextNode":
         string content() \
             except +raise_py_error
diff --git a/kaa/kaacore/hashing.pxd b/kaa/kaacore/hashing.pxd
new file mode 100644
index 00000000..3e3bf0c5
--- /dev/null
+++ b/kaa/kaacore/hashing.pxd
@@ -0,0 +1,2 @@
+cdef extern from "extra/include/hashing.h" nogil:
+    size_t c_calculate_hash "calculate_hash"[T](const T&)
diff --git a/kaa/kaacore/shapes.pxd b/kaa/kaacore/shapes.pxd
index df18ce06..50c08339 100644
--- a/kaa/kaacore/shapes.pxd
+++ b/kaa/kaacore/shapes.pxd
@@ -1,4 +1,5 @@
 from libcpp.vector cimport vector
+from libcpp cimport bool
 
 from .vectors cimport CVector
 from .geometry cimport CTransformation
@@ -20,6 +21,8 @@ cdef extern from "kaacore/shapes.h" nogil:
 
         CShape()
 
+        bool operator==(const CShape&)
+
         @staticmethod
         CShape Segment(const CVector a, const CVector b) \
             except +raise_py_error
diff --git a/kaa/kaacore/sprites.pxd b/kaa/kaacore/sprites.pxd
index 45dea5f7..9c2ac81d 100644
--- a/kaa/kaacore/sprites.pxd
+++ b/kaa/kaacore/sprites.pxd
@@ -17,6 +17,7 @@ cdef extern from "kaacore/sprites.h" nogil:
         CSprite load(const char* path, uint64_t flags) \
             except +raise_py_error
 
+        bool operator==(const CSprite&)
 
         CSprite crop(CVector new_origin, CVector new_dimensions) \
             except +raise_py_error
diff --git a/kaa/shapes.pxi b/kaa/shapes.pxi
index fd6282c9..8d147c7e 100644
--- a/kaa/shapes.pxi
+++ b/kaa/shapes.pxi
@@ -2,6 +2,7 @@ from libcpp.vector cimport vector
 
 from .kaacore.vectors cimport CVector
 from .kaacore.shapes cimport CShape, CShapeType
+from .kaacore.hashing cimport c_calculate_hash
 
 
 cdef class ShapeBase:
@@ -24,6 +25,17 @@ cdef class ShapeBase:
             self.c_shape_ptr[0].transform(transformation.c_transformation)
         )
 
+    def __hash__(self):
+        return c_calculate_hash[CShape](self.c_shape_ptr[0])
+
+    def __richcmp__(self, ShapeBase other, op):
+        if op == 2:
+            return self.c_shape_ptr[0] == other.c_shape_ptr[0]
+        elif op == 3:
+            return not self.c_shape_ptr[0] == other.c_shape_ptr[0]
+        else:
+            return NotImplemented
+
 
 cdef class Segment(ShapeBase):
     def __init__(self, Vector a, Vector b):
diff --git a/kaa/sprites.pxi b/kaa/sprites.pxi
index 5f2a7eb4..1d1961df 100644
--- a/kaa/sprites.pxi
+++ b/kaa/sprites.pxi
@@ -4,6 +4,7 @@ from libcpp cimport bool
 from libcpp.vector cimport vector
 
 from .kaacore.sprites cimport CSprite, c_split_spritesheet
+from .kaacore.hashing cimport c_calculate_hash
 
 DEF SPRITE_FREELIST_SIZE = 250
 
@@ -18,6 +19,17 @@ cdef class Sprite:
     def __init__(self, str path):
         self._set_c_sprite(CSprite.load(path.encode(), 0))
 
+    def __richcmp__(self, Sprite other, op):
+        if op == 2:
+            return self.c_sprite == other.c_sprite
+        elif op == 3:
+            return not self.c_sprite == other.c_sprite
+        else:
+            return NotImplemented
+
+    def __hash__(self):
+        return c_calculate_hash[CSprite](self.c_sprite)
+
     def crop(self, Vector origin, Vector dimensions):
         assert self.c_sprite.has_texture()
         return get_sprite_wrapper(self.c_sprite.crop(
diff --git a/kaa/vectors.pxi b/kaa/vectors.pxi
index 81b9c0e8..bb062d73 100644
--- a/kaa/vectors.pxi
+++ b/kaa/vectors.pxi
@@ -6,6 +6,7 @@ from .kaacore.vectors cimport (
     CVector_rotate_angle, CVector_oriented_angle
 )
 from .kaacore.math cimport radians, degrees
+from .kaacore.hashing cimport c_calculate_hash
 
 
 DEF VECTOR_FREELIST_SIZE = 32
@@ -48,6 +49,9 @@ cdef class Vector:
     def __repr__(self):
         return "V[{x}, {y}]".format(x=self.x, y=self.y)
 
+    def __hash__(self):
+        return c_calculate_hash(self.c_vector)
+
     def __richcmp__(self, Vector other, op):
         if op == 2:
             return self.c_vector == other.c_vector
diff --git a/kaacore b/kaacore
index 800ee9b9..71099605 160000
--- a/kaacore
+++ b/kaacore
@@ -1 +1 @@
-Subproject commit 800ee9b96cc8d2628c5bf63a638712d41ffedfac
+Subproject commit 7109960555d74a2184ff6677ad5d6dcdccc604be