Ease of embedding has been pointed out. Another reason for using Lua in games is that its garbage collection strategy is well-suited for the task. Python uses

Ease of embedding has been pointed out. Another reason for using Lua in games is that its garbage collection strategy is well-suited for the task. Python uses reference counting (which has a predictable performance profile but can lead to long pauses if a large object graph is deallocated at once) and stop-the-world GC for reference cycles.