Here is the full list of all 17 Alan : Rift Breakers achievements.
Start A.L.A.N. (chapter selection menu)
Start Alan Rift Breakers (chapter selection menu)
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The Ch1 of A.L.A.N.
The Ch2 of A.L.A.N.
The Ch3 of A.L.A.N.
The Ch4 of A.L.A.N.
The Ch5 of A.L.A.N.
The Ch6 of A.L.A.N.
The Ch1 of Alan Rift Breakers
The Ch2 of Alan Rift Breakers
The Ch3 of Alan Rift Breakers
The Ch4 of Alan Rift Breakers
That was…
The Ch5 of Alan Rift Breakers
With Aimé and Lily!!!
The Ch6 of Alan Rift Breakers