new file mode 100644
--- /dev/null
+++ b/pytouhou/game/game.pxd
@@ -0,0 +1,28 @@
+from pytouhou.game.effect cimport Effect
+from pytouhou.game.player cimport Player
+
+cdef class Game:
+    cdef public long width, height, nb_bullets_max, stage, rank, difficulty, difficulty_counter, difficulty_min, difficulty_max, frame, last_keystate
+    cdef public list bullet_types, laser_types, item_types, players, enemies, effects, bullets, lasers, cancelled_bullets, players_bullets, players_lasers, items, labels, faces, texts, hints, bonus_list
+    cdef public object interface, boss, msg_runner, prng, sfx_player
+    cdef public double continues
+    cdef public Effect spellcard_effect
+    cdef public tuple spellcard
+    cdef public bint time_stop, msg_wait
+    cdef public unsigned short deaths_count, next_bonus
+
+    cpdef modify_difficulty(self, long diff)
+    cpdef drop_bonus(self, double x, double y, long _type, end_pos=*)
+    cdef void autocollect(self, Player player)
+    cpdef cancel_bullets(self)
+    cpdef new_particle(self, pos, long anim, long amp, long number=*, bint reverse=*, long duration=*)
+    cpdef new_label(self, pos, str text)
+    cdef void update_background(self)
+    cdef void update_enemies(self)
+    cdef void update_msg(self, long keystate) except *
+    cdef void update_players(self, long keystate) except *
+    cdef void update_effects(self)
+    cdef void update_hints(self)
+    cdef void update_faces(self)
+    cdef void update_bullets(self)
+    cdef void cleanup(self)