Games like Delta 78: The Passenger
Games like Delta 78: The Passenger include SANABI, Celeste, Thomas Was Alone, Katana ZERO, and Hollow Knight. We matched them by the tags players give Delta 78: The Passenger on Steam (Side Scroller, 2D Platformer, Platformer, Casual, and 2D): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · Story Rich · Adventure

Celeste
Shared: Platformer · 2D Platformer · Pixel Graphics

Thomas Was Alone
Shared: Side Scroller · Platformer · 2D Platformer

Katana ZERO
Shared: Platformer · 2D Platformer · Story Rich

Hollow Knight
Shared: Platformer · 2D · Adventure

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Adventure

Sonic Mania
Shared: Platformer · 2D · Side Scroller

Super Meat Boy
Shared: Platformer · 2D Platformer · 2D

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

Thank Goodness You're Here!
Shared: Adventure · 2D Platformer · Casual

Until Then
Shared: Story Rich · 2D · Pixel Graphics

Sonic Origins
Shared: 2D Platformer · Platformer · Adventure

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · 2D

Broforce
Shared: 2D · Platformer · Side Scroller

Blasphemous 2
Shared: 2D Platformer · Side Scroller · Adventure

Impostor Factory
Shared: Story Rich · 2D · Adventure

NINJA GAIDEN: Ragebound
Shared: Platformer · 2D Platformer · Side Scroller

Reventure
Shared: Adventure · Platformer · 2D

To the Moon
Shared: Story Rich · Adventure · Pixel Graphics

FEZ
Shared: Platformer · Casual · Adventure

Owlboy
Shared: Platformer · Adventure · 2D

Laughing to Die
Shared: Casual · Platformer · 2D Platformer

Songs for a Hero - Definitive Edition
Shared: 2D Platformer · Adventure · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · 2D