Marshall

Alone in the Dark

Beneath the arthropod

Altitude is Attitude

Exploration off the ground

Wrong Way

That's not right

Going Up

Don't let gravity keep you down

Where Credit is Due

Perseverance has its own reward

No Point in Dying

Complete the game in one sitting with five or less deaths

Secret Achievement

It's Stuck

Prepare a dry landing

Urban Exploration

Involves heavy lifting

Climbing the Cog

Don't pull the lever just because you can

Backtracking

Ride the crates

Guided by Sparks

The crate is key

Under Ground

Vertical passageway