Games like Growing My Grandpa!
Games like Growing My Grandpa! include Sally Face - Episode One, SOMA, Fran Bow, Little Misfortune, and The Cat Lady. We matched them by the tags players give Growing My Grandpa! on Steam (Adventure, Psychological Horror, Story Rich, Dark, and Point & Click): closest matches first, and among equally close ones the better-known games.

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Adventure

SOMA
Shared: Psychological Horror · Story Rich · Dark

Fran Bow
Shared: Psychological Horror · Story Rich · Point & Click

Little Misfortune
Shared: Psychological Horror · Story Rich · Adventure

The Cat Lady
Shared: Adventure · Story Rich · Psychological Horror

Little Nightmares II
Shared: Adventure · Dark · Psychological Horror

Detention
Shared: Psychological Horror · Adventure · Story Rich

Little Nightmares
Shared: Adventure · Dark · Atmospheric

Tiny Bunny
Shared: Story Rich · Psychological Horror · Dark

Endacopia
Shared: Adventure · Psychological Horror · Point & Click

DISTRAINT: Deluxe Edition
Shared: Psychological Horror · Adventure · Story Rich

Still Wakes the Deep
Shared: Psychological Horror · Story Rich · Dark

The Room Three
Shared: Adventure · Point & Click · Atmospheric

Servant of the Lake
Shared: Adventure · Story Rich · Point & Click

Rusty Lake Paradise
Shared: Adventure · Psychological Horror · Point & Click

Dagon: by H. P. Lovecraft
Shared: Story Rich · Psychological Horror · Atmospheric

OMORI
Shared: Psychological Horror · Story Rich · Adventure

Darkwood
Shared: Adventure · Psychological Horror · Dark

ROUTINE
Shared: Psychological Horror · Adventure · Sci-fi

Mouthwashing
Shared: Psychological Horror · Story Rich · Atmospheric

What Remains of Edith Finch
Shared: Story Rich · Adventure · Atmospheric

INSIDE
Shared: Dark · Story Rich · Atmospheric

The Room Two
Shared: Point & Click · Adventure · Atmospheric

The Walking Dead
Shared: Adventure · Story Rich · Point & Click