Games like Tower 6: Last Signal
Games like Tower 6: Last Signal include Outlast, Poppy Playtime, Little Nightmares II, Bendy and the Dark Revival, and Darkwood. We matched them by the tags players give Tower 6: Last Signal on Steam (Action, Adventure, Action-Adventure, First-Person, and Animals): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: First-Person · Horror · Atmospheric

Poppy Playtime
Shared: First-Person · Horror · Dark

Little Nightmares II
Shared: Adventure · Horror · Atmospheric

Bendy and the Dark Revival
Shared: Action · First-Person · Adventure

Darkwood
Shared: Adventure · Action · Horror

Atomic Heart
Shared: Adventure · Action · Action-Adventure

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Adventure

Total Chaos
Shared: Action · Adventure · Action-Adventure

Firewatch
Shared: Adventure · Atmospheric · First-Person

Outlast 2
Shared: First-Person · Horror · Dark

Hello Neighbor 2
Shared: Adventure · First-Person · Action-Adventure

Ghostwire: Tokyo
Shared: First-Person · Action · Action-Adventure

Thief
Shared: Action · Adventure · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Action

Alan Wake
Shared: Action · Adventure · Horror

SOMA
Shared: Atmospheric · Horror · Dark

We Happy Few
Shared: Adventure · Action · First-Person

What Remains of Edith Finch
Shared: Atmospheric · First-Person · Adventure

Bendy and the Ink Machine
Shared: First-Person · Horror · Dark

SILENT HILL: Townfall
Shared: Adventure · Action · First-Person

Little Nightmares
Shared: Adventure · Atmospheric · Horror

Sally Face - Episode One
Shared: Adventure · Dark · Horror

Resident Evil Requiem
Shared: Action · First-Person · Horror

The Beast Inside
Shared: Adventure · First-Person · Action