| AnchoredJoint2D | Parent class for all joints that have anchor points. |
| AreaEffector2D | Applies forces within an area. |
| BoxCollider2D | Collider for 2D physics representing an axis-aligned rectangle. |
| BuoyancyEffector2D | Applies forces to simulate buoyancy, fluid-flow and fluid damping. |
| CapsuleCollider2D | A capsule-shaped primitive collider. |
| CircleCollider2D | Collider for 2D physics representing an circle. |
| Collider2D | The parent class for collider types used with 2D gameplay. Provides methods to defines the shape and physical behavior for 2D object interactions, used to detect collisions, and trigger events in 2D game environments. |
| Collision2D | Collision details returned by 2D physics callback functions. |
| CompositeCollider2D | A Collider that can merge other Colliders together. |
| ConstantForce2D | Applies both linear and angular (torque) forces continuously to the rigidbody each physics update. |
| CustomCollider2D | Represents a Collider2D that is configured by assigning PhysicsShape2D geometry to it via a PhysicsShapeGroup2D. |
| DistanceJoint2D | Joint that keeps two Rigidbody2D objects a fixed distance apart. |
| EdgeCollider2D | Collider for 2D physics representing an arbitrary set of connected edges (lines) defined by its vertices. |
| Effector2D | A base class for all 2D effectors. |
| FixedJoint2D | Connects two Rigidbody2D together at their anchor points using a configurable spring. |
| FrictionJoint2D | Applies both force and torque to reduce both the linear and angular velocities to zero. |
| HingeJoint2D | Joint that allows a Rigidbody2D object to rotate around a point in space or a point on another object. |
| Joint2D | Parent class for joints to connect Rigidbody2D objects. |
| Physics2D | Provides utilities and global settings to manage and simulate 2D physics interactions, such as collision detection and raycasting. |
| PhysicsMaterial2D | Asset type that defines the surface properties of a Collider2D. |
| PhysicsSceneExtensions2D | Scene extensions to access the underlying physics scene. |
| PhysicsShapeGroup2D | Represents a group of PhysicsShape2D and their geometry. |
| PhysicsUpdateBehaviour2D | A base type for 2D physics components that required a callback during FixedUpdate. |
| PlatformEffector2D | Applies "platform" behaviour such as one-way collisions etc. |
| PointEffector2D | Applies forces to attract/repulse against a point. |
| PolygonCollider2D | Collider for 2D physics representing an arbitrary polygon defined by its vertices. |
| RelativeJoint2D | Keeps two Rigidbody2D at their relative orientations. |
| Rigidbody2D | Provides physics movement and other dynamics, and the ability to attach Collider2D to it. |
| SliderJoint2D | Joint that restricts the motion of a Rigidbody2D object to a single line. |
| SpringJoint2D | Joint that attempts to keep two Rigidbody2D objects a set distance apart by applying a force between them. |
| SurfaceEffector2D | Applies tangent forces along the surfaces of colliders. |
| TargetJoint2D | The joint attempts to move a Rigidbody2D to a specific target position. |
| WheelJoint2D | The wheel joint allows the simulation of wheels by providing a constraining suspension motion with an optional motor. |