Games like Friendsim 2
Games like Friendsim 2 include Detroit: Become Human, The Wolf Among Us, Undertale, STEINS;GATE, and Far Away. We matched them by the tags players give Friendsim 2 on Steam (Visual Novel, Choices Matter, Multiple Endings, Story Rich, and Adventure): closest matches first, and among equally close ones the better-known games.

Detroit: Become Human
Shared: Choices Matter · Multiple Endings · Story Rich

The Wolf Among Us
Shared: Story Rich · Adventure · Multiple Endings

Undertale
Shared: Choices Matter · Story Rich · Multiple Endings

STEINS;GATE
Shared: Visual Novel · Story Rich · Multiple Endings

Far Away
Shared: Visual Novel · Choices Matter · Singleplayer

The Test
Shared: Multiple Endings · Story Rich · Choices Matter

Suzerain
Shared: Visual Novel · Choices Matter · Story Rich

The Coffin of Andy and Leyley
Shared: Visual Novel · Multiple Endings · Story Rich

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · Adventure · Choices Matter

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Story Rich

BAD END THEATER
Shared: Visual Novel · Multiple Endings · Choices Matter

Emily is Away <3
Shared: Choices Matter · Multiple Endings · Story Rich

Minds Beneath Us
Shared: Choices Matter · Story Rich · Visual Novel

LoveChoice
Shared: Choices Matter · Visual Novel · Story Rich

OneShot
Shared: Story Rich · Choices Matter · Singleplayer

Coffee Talk
Shared: Visual Novel · Story Rich · Choices Matter

Growing Up
Shared: Choices Matter · Story Rich · Multiple Endings

STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™
Shared: Story Rich · Choices Matter · Singleplayer

The Red Strings Club
Shared: Choices Matter · Story Rich · Adventure

Road to Empress I
Shared: Choices Matter · Visual Novel · Story Rich

The Henry Stickmin Collection
Shared: Multiple Endings · Choices Matter · Singleplayer

Love Is All Around
Shared: Visual Novel · Singleplayer · Multiple Endings

Volcano Princess
Shared: Choices Matter · Multiple Endings · Visual Novel

STEINS;GATE 0
Shared: Visual Novel · Story Rich · Multiple Endings