Games like Spamware
Games like Spamware include No, I'm not a Human, Poppy Playtime, Endacopia, Mouthwashing, and The Room Two. We matched them by the tags players give Spamware on Steam (Retro, First-Person, Choices Matter, Dark, and Point & Click): closest matches first, and among equally close ones the better-known games.

No, I'm not a Human
Shared: Choices Matter · Horror · First-Person

Poppy Playtime
Shared: First-Person · Horror · Puzzle

Endacopia
Shared: Point & Click · Puzzle · Surreal

Mouthwashing
Shared: Retro · Horror · Psychological Horror

The Room Two
Shared: Puzzle · Point & Click · Horror

The Room
Shared: Puzzle · Point & Click · First-Person

Fran Bow
Shared: Point & Click · Puzzle · Dark

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

Five Nights at Freddy's
Shared: Horror · First-Person · Point & Click

Buckshot Roulette
Shared: Dark · First-Person · Horror

Garten of Banban
Shared: First-Person · Horror · Puzzle

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

Firework
Shared: Puzzle · Horror · Psychological Horror

Detention
Shared: Horror · Puzzle · Psychological Horror

MOLE
Shared: Retro · First-Person · Horror

Amanda the Adventurer
Shared: First-Person · Puzzle · Horror

Outlast
Shared: First-Person · Horror · Dark

Cube Escape Collection
Shared: Point & Click · Puzzle · Horror

Layers of Fear (2016)
Shared: First-Person · Horror · Psychological Horror

SOMA
Shared: Horror · Dark · First-Person

The Room Three
Shared: Puzzle · Point & Click · Mystery

Scorn
Shared: First-Person · Horror · Puzzle

Rusty Lake Paradise
Shared: Point & Click · Puzzle · Horror

Amnesia: The Dark Descent
Shared: First-Person · Horror · Puzzle