Games like Lena
Games like Lena include SANABI, Phoenotopia: Awakening, Out There Somewhere, MO:Astray, and Portal 2. We matched them by the tags players give Lena on Steam (Adventure, Action-Adventure, Sci-fi, Platformer, and Hero Shooter): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Adventure · Action · Action-Adventure

Phoenotopia: Awakening
Shared: Adventure · Platformer · Action-Adventure

Out There Somewhere
Shared: Platformer · Adventure · Sci-fi

MO:Astray
Shared: Adventure · Platformer · Sci-fi

Portal 2
Shared: Platformer · Puzzle Platformer · Action-Adventure

Trine 5: A Clockwork Conspiracy
Shared: Adventure · Action-Adventure · Platformer

Escape From Duckov
Shared: Adventure · Action · Shooter

Zombotron
Shared: Adventure · Action · Sci-fi

Celeste
Shared: Platformer · Adventure · Pixel Graphics

Ratchet & Clank: Rift Apart
Shared: Adventure · Action-Adventure · Sci-fi

Mina the Hollower
Shared: Action-Adventure · Platformer · 2D Platformer

Owlboy
Shared: Adventure · Platformer · Pixel Graphics

Atomic Heart
Shared: Adventure · Action-Adventure · Action

Warhammer 40,000: Space Marine 2
Shared: Adventure · Action-Adventure · Action

BlazBlue Entropy Effect
Shared: Action-Adventure · Platformer · Action

Broforce
Shared: Platformer · Action · Shooter

Tomb Raider Game of the Year
Shared: Adventure · Action · Action-Adventure

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Sci-fi · Platformer

STAR WARS Jedi: Survivor™
Shared: Adventure · Sci-fi · Action-Adventure

Axiom Verge 2
Shared: Adventure · Platformer · Action-Adventure

Iconoclasts
Shared: Adventure · Platformer · Action

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Action

Half-Life 2
Shared: Sci-fi · Adventure · Action

Axiom Verge
Shared: Platformer · Adventure · Sci-fi