Unity Platformer Game Assets

There are several assets that could be considered indispensable for a platformer game in Unity. Here are a few that you might want to consider:

1. Physics Engine: A physics engine can help you to define the physical properties of your game objects, such as mass, friction, and bounciness, and to apply realistic physics simulations to them. Some popular options include the built-in Unity Physics engine, and third-party options like Box2D and Havok Physics.

2. Character Controller: A character controller is a script that allows you to easily control the movement of a character in your game. It can handle things like walking, running, jumping, and other actions that are common to platformer games.

3. Sprite Animator: A sprite animator is a tool that allows you to create animations for your characters and other game objects using sprite sheets. This can be useful for creating smooth, fluid animations for things like character movement, attacks, and other actions.

4. Tilemap System: A tilemap system is a tool that allows you to create and edit levels using grid-based tiles. This can be an efficient way to create platformer levels, and can also make it easier to create reusable assets and level layouts.

5. Particle System: A particle system is a tool that allows you to create and control particle effects in your game, such as explosions, dust clouds, and other visual effects. This can be useful for adding polish and visual interest to your platformer game.

Of course, the specific assets you need will depend on the specific requirements of your game, but these are some good starting points.