What works:

• ✅ Classes extending MonoBehaviour
• ✅ void / float / int / bool / string types
• ✅ if / else / for / while / return
• ✅ Debug.Log → print()
• ✅ Destroy() → Game.Destroy()
• ✅ Instantiate() → Game.Instantiate()
• ✅ GetComponent() → GetComponent(T)
• ✅ Input.GetKeyDown(KeyCode.X)
• ✅ Mathf methods
• ✅ Random.Range → Math.random
• ✅ List/Dictionary → []/{}
• ✅ foreach → for..of

Limitations:

• ⚠️ Regex-based (not a full parser)
• ⚠️ Complex nested logic may need cleanup
• ⚠️ No LINQ, async/await, generics
• ⚠️ No .NET framework library support
• ⚠️ Multi-line expressions need manual fixing
• ⚠️ Advanced Unity APIs not covered
• ⚠️ Coroutines not supported
• ⚠️ Enums, interfaces, structs not supported