Games like Hammerhead
Games like Hammerhead include OneShot, Undertale, Impostor Factory, Baba Is You, and There Is No Game: Wrong Dimension. We matched them by the tags players give Hammerhead on Steam (Typing, Puzzle, Choices Matter, Character Customization, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.
OneShot
Shared: Pixel Graphics · Puzzle · Story Rich
Undertale
Shared: Choices Matter · Pixel Graphics · Story Rich
Impostor Factory
Shared: Pixel Graphics · Story Rich · Top-Down
Baba Is You
Shared: Puzzle · Pixel Graphics · Indie
There Is No Game: Wrong Dimension
Shared: Puzzle · Pixel Graphics · Indie
Papers, Please
Shared: Pixel Graphics · Puzzle · Indie
Baldur's Gate 3
Shared: Choices Matter · Character Customization · Story Rich
7 Days to End with You
Shared: Puzzle · Typing · Word Game
Finding Paradise
Shared: Pixel Graphics · Story Rich · 2D
The Rewinder
Shared: Puzzle · Pixel Graphics · 2D
Unpacking
Shared: Puzzle · Pixel Graphics · Story Rich
DISTRAINT: Deluxe Edition
Shared: Pixel Graphics · Puzzle · Story Rich
WILL: A Wonderful World / WILL：美好世界
Shared: Puzzle · Choices Matter · Story Rich
Turnip Boy Commits Tax Evasion
Shared: Puzzle · Top-Down · Story Rich
The Red Strings Club
Shared: Choices Matter · Pixel Graphics · Story Rich
DELTARUNE
Shared: Pixel Graphics · Story Rich · 2D
A Space for the Unbound
Shared: Pixel Graphics · Puzzle · Story Rich
Zup! S
Shared: Puzzle · Casual · 2D
Replica
Shared: Puzzle · Pixel Graphics · Choices Matter
FEZ
Shared: Puzzle · Pixel Graphics · Indie
To the Moon
Shared: Story Rich · Pixel Graphics · Indie
Ib
Shared: Pixel Graphics · Story Rich · Puzzle
The Case of the Golden Idol
Shared: Puzzle · Story Rich · Pixel Graphics
Until Then
Shared: Pixel Graphics · Story Rich · 2D