This part or feature is only available in career mode
To get career mode, create a new world, and name it "Test Career."
To get career mode, create a new world, and name it "Test Career."

The tech tree as of 1.5.8.5
The tech tree contains Parts that can be unlocked using Funds. The first branch contains the short Solid Rocket booster, Parachute, and Capsule. The other parts need to be unlocked.
Not many achievements can be completed without unlocking parts, but completing missions reward funds.
Tech branches[]
Name | Cost (Funds) | Unlocks |
---|---|---|
Solid Fuel Booster II | $10,000,000 | 4×9 Solid Rocket Booster |
Side Boosters | $20,000,000 | Side Separator and 4 Wide Aerodynamic Nose Cones |
Heat Shield | $10,000,000 | 4 Wide Heat Shield |
Liquid Fuel Rocketry | $45,000,000 | Peregrine Engine, 4×2 Fuel Tank, 4×4 Fuel Tank, and 4×6 Fuel Tank |
Powerful Rocketry | $80,000,000 | 4×8 Fuel Tank and Hawk Engine |
Moon Lander | $75,000,000 | Small Landing Leg and Kolibri Engine |
Valiant Engine | $50,000,000 | Valiant Engine |
After the last pack is unlocked, the player is allowed to use all available parts until new tech branches are added. A message was also given, saying that the tech tree will be expanded.