It looks like the Mortal Kombat 1 launch trailer marketed for Nintendo Switch shows a Steam achievement pop up.
News - August, 2023
Warner Bros. Games announced Mortal Kombat 1! ~ Chalgyr's Game Room
Mortal Kombat 1 Switch Trailer Used Steam/PC Footage In Blatant False Marketing
Official Mortal Kombat 1 Nintendo Switch Gameplay Has Steam Achievement Pop-Up - IGN
Mortal Kombat 1 Steam achievement pops up in Switch gameplay trailer
Steam DLC Page: Mortal Kombat 1, mortal kombat 1 1 dlc characters
Steam Workshop::CallMeCarson's GMOD Chaos Pack V2
Mortal Kombat 1 Switch trailer featuring Steam achievement taken down
Mortal Kombat 1 Switch trailer featuring Steam achievement taken down, mortal kombat 1 steam
Mortal Kombat 1 Steam achievement pops up in Switch gameplay trailer
GINSHA' Offers A Unique 2D Pixelart Action Adventure-Platformer On PC via STEAM & The Nintendo Switch ~ Chalgyr's Game Room