https://www.mortalkombatonline.com/t/mk1/mortal-kombat-1-now-runs-at-a-consistent-40fps-on-steam-deck/9oe1kuLow0Wy
Mortal Kombat 1 Now Runs at a Consistent 40fps on Steam Deck - Mortal Kombat Online
Mortal Kombat 1 officially has improved performance on the Steam Deck, thanks to a new update