"Rocks and Chills" by Jam, a custom level for Manic Miners. Original version posted on 15 November 2021, updated with monsters on 6 December 2021.

Objectives: Build a Support Station and an Ore Refinery; Collect 45 crystals and 85 studs

Size: 40x40

Rocks and Chills
 Briefing: Hello Cadet!

Your mission today is to establish Rock Raiders HQ by building both a Support Station and an Ore Refinery. Once done for repairs for the Engine on our ship you'll need to collect 45 Energy Crystals and create 85 Studs.  The Caverns around you are unstable so remember to reinforce the walls as you go.

Good luck Cadet!

Notes:Hello, the timer for the oxygen is a little screwy, however I was able to clear it.  No lag here hopefully, It's much smaller, different level however.  I'm be making a alternate Rocky Lava Rescue in the future.  But I had just finished Rocks and Chills recently, and I wanted to share.

[6 December 2021 update]
Redux Return to Rocks and chills Final:Hello Cadet!

Your mission today is to establish Rock Raiders HQ by building both a Support Station and an Ore Refinery. Once done for repairs for the Engine on our ship you'll need to collect 45 Energy Crystals and create 85 Studs.  The Caverns around you are unstable and signs of monsters in the cavern has Carl Worried. So remember to reinforce the walls as you go and ready blasters.

Good luck Cadet!