diff --git a/core/src/collider.c b/core/src/collider.c
new file mode 100644
index 0000000..ce98fbc
--- /dev/null
+++ b/core/src/collider.c
@@ -0,0 +1,53 @@
+#include "collider.h"
+#include "collision.h"
+#include "debug.h"
+
+struct Collider {
+    Shape* shape;
+    RigidBody* body;
+    PhysicsMask layers;
+    int overlap;
+};
+
+Collider* collider_new(RigidBody* body, Shape* shape, int overlap, PhysicsMask layers) {
+    Collider* self = malloc(sizeof(Collider));
+    ASSERT_RETURN(self != NULL, NULL, "Failed to allocate space for Collider");
+    *self = (Collider) {
+        .shape = shape,
+        .body = body,
+        .layers = layers,
+        .overlap = overlap,
+    };
+    rigidbody_add_collider(self->body, self);
+    return self;
+}
+
+void collider_destroy(Collider* self) {
+    shape_destroy(self->shape);
+    rigidbody_remove_collider(self->body, self);
+    free(self);
+}
+
+PhysicsQuery collider_to_query(Collider* self) {
+    return (PhysicsQuery) {
+        .shape = self->shape,
+        .transform = rigidbody_get_transform(self->body),
+        .mask = self->layers
+    };
+}
+
+Shape* collider_get_shape(Collider* self) {
+    return self->shape;
+}
+
+RigidBody* collider_get_rigidbody(Collider* self) {
+    return self->body;
+}
+
+int collider_is_overlap(Collider* self) {
+    return self->overlap;
+}
+
+void collider_set_overlap(Collider* self, int value) {
+    self->overlap = value;
+}
diff --git a/core/src/collider.h b/core/src/collider.h
new file mode 100644
index 0000000..ddb65ba
--- /dev/null
+++ b/core/src/collider.h
@@ -0,0 +1,19 @@
+#ifndef _fencer_collider_h
+#define _fencer_collider_h
+
+#include "shape.h"
+#include "rigidbody.h"
+
+typedef struct Collider Collider;
+
+extern Collider* collider_new(RigidBody* owner, Shape* shape, int overlap, PhysicsMask layers);
+extern void collider_destroy(Collider* self);
+extern PhysicsQuery collider_to_query(Collider* self);
+
+extern Shape* collider_get_shape(Collider* self);
+extern RigidBody* collider_get_rigidbody(Collider* self);
+
+extern int collider_is_overlap(Collider* self);
+extern void collider_set_overlap(Collider* self, int value);
+
+#endif // !_fencer_collider_h