Games like Killer Chat! - Original Edition
Games like Killer Chat! - Original Edition include Our Life: Beginnings & Always, Slay the Princess — The Pristine Cut, Hooked on You: A Dead by Daylight Dating Sim™, Sweet Home, and Date Everything!. We matched them by the tags players give Killer Chat! - Original Edition on Steam (Dating Sim, LGBTQ+, Visual Novel, Dark, and Horror): closest matches first, and among equally close ones the better-known games.

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

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Horror · Psychological Horror

Hooked on You: A Dead by Daylight Dating Sim™
Shared: Dating Sim · Visual Novel · Psychological Horror

Sweet Home
Shared: LGBTQ+ · Visual Novel · Dating Sim

Date Everything!
Shared: Dating Sim · LGBTQ+ · Visual Novel

Yog-Sothoth’s Yard
Shared: Dating Sim · Dark · Horror

Money for Girls: Amortized
Shared: LGBTQ+ · Visual Novel · Dating Sim

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

Monster Prom 3: Monster Roadtrip
Shared: LGBTQ+ · Dating Sim · Visual Novel

Monster Prom
Shared: Dating Sim · LGBTQ+ · Visual Novel

Dream Daddy: A Dad Dating Simulator
Shared: Dating Sim · LGBTQ+ · Visual Novel

Monster Prom 2: Monster Camp
Shared: Dating Sim · LGBTQ+ · Visual Novel

Love Is All Around
Shared: Dating Sim · Visual Novel · Romance

Poppy Playtime
Shared: Horror · Free to Play · Dark

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

Dialtown: Phone Dating Sim
Shared: Dating Sim · LGBTQ+ · Visual Novel

Scarlet Hollow
Shared: Visual Novel · Dating Sim · Horror

Monster Prom 4: Monster Con
Shared: LGBTQ+ · Visual Novel · Dating Sim

Class of '09: The Re-Up
Shared: Visual Novel · Dating Sim · Comedy

Dagon: by H. P. Lovecraft
Shared: Horror · Visual Novel · Dark

LoveChoice
Shared: Dating Sim · Visual Novel · Romance

Tiny Bunny
Shared: Visual Novel · Horror · Dark

Tricolour Lovestory
Shared: Dating Sim · Visual Novel · Romance

1 to 1 humanoid edible toys
Shared: Dating Sim · Visual Novel · LGBTQ+