They weren't written in Lisp, but in a high level assembly language with lisp-like syntax. I.e. it was more similar to plain C. Even Symta is closer to Lisp.
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Anonymous2018-12-28 10:58
>>10 And these games were super-optimized, the reason they used assembly, because of C compiler of the time generating totally garbage code. That is why Crash Bandicoot looks better than any other game on the PSX.
>>5 Unlike functional language you can write non-trivial programs in Common Lisp. It's a general purpose programming language with a huge library, a decent community, and CFFI. There's nothing stopping you.