If you liked this
Games like Portal
If you finished Portal, the closest matches are Portal 2, Metroid Prime, Half-Life 2, Half-Life and Deus Ex: Human Revolution. All 21 share its adventure genre and are ranked by how closely their themes and modes overlap.
92
Portal 2
95
Metroid Prime
79
Half-Life 2
80
Half-Life
92
Deus Ex: Human Revolution
85
Dishonored
84
Limbo
86
Alien: Isolation
88
Tales from the Borderlands
77
Wolfenstein: The New Order
87
The Talos Principle
81
Soma
77
Outlast
86
Metroid Prime 3: Corruption
74
Gone Home
80
Singularity
77
Prey
78
Deponia
76
Thomas Was Alone
79
Syndicate
70