Games like Sepan and the Seven Flasks
Games like Sepan and the Seven Flasks include Lethal Company, Hamster Hunter, Content Warning, OMORI, and Turnip Boy Commits Tax Evasion. We matched them by the tags players give Sepan and the Seven Flasks on Steam (Exploration, Funny, Arcade, Psychological Horror, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Funny · Exploration · Horror

Hamster Hunter
Shared: Exploration · Arcade · Psychological Horror

Content Warning
Shared: Exploration · Horror · Funny

OMORI
Shared: Psychological Horror · Pixel Graphics · Horror

Turnip Boy Commits Tax Evasion
Shared: Exploration · Funny · Psychological Horror

Zort
Shared: Funny · Psychological Horror · Horror

Mad Father
Shared: Psychological Horror · Exploration · Horror

Endacopia
Shared: Psychological Horror · Exploration · Horror

SOMA
Shared: Psychological Horror · Exploration · Horror

The Exit 8
Shared: Exploration · Psychological Horror · Horror

ANIMAL WELL
Shared: Exploration · Horror · Pixel Graphics

Murky Divers
Shared: Funny · Exploration · Horror

SUPER CHICKEN JUMPER
Shared: Arcade · Funny · Action-Adventure

Ib
Shared: Exploration · Psychological Horror · Horror

Nuclear Nightmare
Shared: Psychological Horror · Exploration · Horror

Escape the Backrooms
Shared: Psychological Horror · Horror · Exploration

OneShot
Shared: Pixel Graphics · Atmospheric · Exploration

MiSide
Shared: Psychological Horror · Horror · Atmospheric

RATSHAKER™
Shared: Exploration · Funny · Horror

Iron Lung
Shared: Psychological Horror · Horror · Atmospheric

Rain World
Shared: Exploration · Atmospheric · Pixel Graphics

DISTRAINT: Deluxe Edition
Shared: Psychological Horror · Horror · Pixel Graphics

DREDGE
Shared: Exploration · Psychological Horror · Atmospheric

RV There Yet?
Shared: Funny · Exploration · Adventure