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ES3-II Emergency Shelter

Here is my newest very early game underground survival bunker. It unlocks at lvl 3 and requires less than 100 of every resource except powdered stone. With several starts I was able to get this by level 4 usually. This version contains space for upgrades so that it grows with you and doesn't have to be a disposable base while still getting you into one very fast so you don't have to live like a tent vagabond and can be safe.

Solar panels must be built and added by player (base is solar ready with capacitors but I built the panels differently every time I used this base depending on terrain so it's up to the player)

When Spawning, make sure the front entrance doorstep block is just barely above the ground's surface.

Amenities include:

2 Sentry Turrets
1 Ammo Box
1 Small Constructor
1 Clone Chamber
2 O2 Tanks
1 O2 Station
1 Ventilator
1 Fridge
1 Food Processor
1 Kitchen counter and sink
1 Dining Table
2 Fuel Tanks
1 Small Generator
1 Solar Capacitor
13 Cargo Boxes (208K SU of storage)
Wireless Connection
Toilet and Shower
Bed
Sofa and Widescreen Television
Extra closet space

Supports addition of the following upgrades:
Solar Panels
1 Armor station
1 additional Solar Capacitor
1 additional Small Constructor
1 Large/Advanced Constructor
1 Deconstructor
1 Repair Station
1 Medic Station
18 Grow plots
Up to 2 addition fridges
Up to 2 additional sentry turrets or upgrade to large turret of various kinds.

Unfortunately, Yes, you have to dig out the inside after spawning.