Games like フラグ立てときました。
Games like フラグ立てときました。 include LoveChoice, Lucy -The Eternity She Wished For-, Emily is Away <3, Date Everything!, and Doki Doki Literature Club Plus!. We matched them by the tags players give フラグ立てときました。 on Steam (Simulation, Dating Sim, Cute, Visual Novel, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

LoveChoice
Shared: Dating Sim · Visual Novel · Cute

Lucy -The Eternity She Wished For-
Shared: Visual Novel · Dating Sim · Cute

Emily is Away <3
Shared: Simulation · Dating Sim · Multiple Endings

Date Everything!
Shared: Dating Sim · Simulation · Visual Novel

Doki Doki Literature Club Plus!
Shared: Dating Sim · Visual Novel · Cute

Gaokao.Love.100Days
Shared: Dating Sim · Visual Novel · Simulation

ATRI -My Dear Moments-
Shared: Visual Novel · Cute · Dating Sim

Senren * Banka
Shared: Dating Sim · Visual Novel · Cute

Love Is All Around
Shared: Dating Sim · Visual Novel · Multiple Endings

小白兔电商~Bunny e-Shop
Shared: Dating Sim · Visual Novel · Simulation

I Wani Hug that Gator!
Shared: Visual Novel · Dating Sim · Choose Your Own Adventure

Tricolour Lovestory
Shared: Dating Sim · Visual Novel · Simulation

他人世界末 On-looker
Shared: Dating Sim · Visual Novel · Multiple Endings

Our Life: Beginnings & Always
Shared: Visual Novel · Dating Sim · Cute

Volcano Princess
Shared: Dating Sim · Multiple Endings · Simulation

Hooked on You: A Dead by Daylight Dating Sim™
Shared: Dating Sim · Visual Novel · Choose Your Own Adventure

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

鬼谷八荒 Tale of Immortal
Shared: Simulation · Dating Sim · Choose Your Own Adventure

AIR
Shared: Simulation · Dating Sim · Visual Novel

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

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

Otaku's Adventure
Shared: Dating Sim · Visual Novel · Multiple Endings

DRAPLINE
Shared: Simulation · Multiple Endings · Cute

CLANNAD
Shared: Visual Novel · Dating Sim · Multiple Endings