Games like summer story
Games like summer story include Refind Self: The Personality Test Game, Far Away, Suzerain, Mirror 2: Project X, and The Wolf Among Us. We matched them by the tags players give summer story on Steam (Choose Your Own Adventure, Interactive Fiction, Visual Novel, Action-Adventure, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Refind Self: The Personality Test Game
Shared: Interactive Fiction · Visual Novel · Female Protagonist

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Female Protagonist

Suzerain
Shared: Choose Your Own Adventure · Visual Novel · Interactive Fiction

Mirror 2: Project X
Shared: Visual Novel · Interactive Fiction · Female Protagonist

The Wolf Among Us
Shared: Choose Your Own Adventure · Visual Novel · Story Rich

I Wani Hug that Gator!
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

The Henry Stickmin Collection
Shared: Choose Your Own Adventure · Funny · Multiple Endings

Endless Monday: Dreams and Deadlines
Shared: Choose Your Own Adventure · Visual Novel · Interactive Fiction

No Case Should Remain Unsolved
Shared: Interactive Fiction · Visual Novel · Female Protagonist

The Life and Suffering of Sir Brante
Shared: Interactive Fiction · Choose Your Own Adventure · Visual Novel

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Interactive Fiction · Female Protagonist

The Cosmic Wheel Sisterhood
Shared: Interactive Fiction · Female Protagonist · Visual Novel

私のリアルは充実しすぎている フルボイス版
Shared: Visual Novel · Female Protagonist · Funny

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Interactive Fiction · Multiple Endings

The NOexistenceN of you AND me
Shared: Visual Novel · Interactive Fiction · Multiple Endings

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Multiple Endings

Class of '09: The Re-Up
Shared: Visual Novel · Choose Your Own Adventure · Female Protagonist

Roadwarden
Shared: Interactive Fiction · Choose Your Own Adventure · Text-Based

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choose Your Own Adventure · Story Rich

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · 2D · Female Protagonist

Marco & The Galaxy Dragon
Shared: Visual Novel · Female Protagonist · Story Rich

The Weeping Swan: Ten Days of the City's Fall
Shared: Interactive Fiction · Visual Novel · Multiple Endings

The Test
Shared: Choose Your Own Adventure · Story Rich · Visual Novel

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Choose Your Own Adventure · Interactive Fiction · Visual Novel