If you liked this
Games like Portal: The Flash Version
If you finished Portal: The Flash Version, the closest matches are Blue Prince, Big Walk, The Midnight Walk, Neva and Darwin's Paradox!. All 36 share its indie genre and are ranked by how closely their themes and modes overlap.
91
Blue Prince
90
Big Walk
90
The Midnight Walk
93
Neva
82
Darwin's Paradox!
84
The Mermaid Mask
90
Shapez 2: Factory
89
Animal Well
80
Deer & Boy
89
Tunic
98
Puzzling Places: 3D Jigsaw Sim
90
Thank Goodness You're Here!
80
Escape the Backrooms
89
The Rise of the Golden Idol
100
Bionic Bay
89
Woodo
86
Off
83
The Drifter
90
Monowave
88
Colorbound
90
Helix: Descent N Ascent
92
Pipistrello and the Cursed Yoyo
89
Cocoon
89
UFO 50
90
S.p.l.i.t
86
Lumines Arise
77
Call of the Elder Gods
84
Under the Island
87
The Roottrees Are Dead
93
Planet of Lana
80
Strange Antiquities
95
Five Nights at Freddy's: Into the Pit
95
Antonblast
89
Lorelei and the Laser Eyes
87
Lovish
83