This achievement consists of 4 Sub-Challenges:
Before you start purchase the Scraptronic™ Workbench in Build&Buy-Mode (Skills-Section) for §1,250. It allows you to invent items and improve your Inventing Skill
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#1 Arc Light Generator - Create a complex invention using Palladium:
Use your dog and let him search for metals. Eventually he'll bring you the palladium. Rebuilting a complex invention will allow you to use metals. Choose Palladium and the challenge will unlock.
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#2 It's Alive! - Create a SimBot:
Invent the Time Machine (Big Invention) with 75 pieces of scrap.
Continue inventing until you reach lvl 10 in this skill.
Several in-game days/weeks later a skill-opportunity chain will pop-up. Make sure that no other opportunities are active or this opportunity won't show up. Optional: Complete the Inventing Skill Milestones in the meantime.
You have to deliver the following items to the Science Lab:
- 1 unit of palladium (ore or smelted)
Use your dog and let him search for metals. Eventually he'll bring you the palladium
- 10 life fruits
Use your dog and let him search for seeds. Eventually he'll bring you a life fruit seed. Seeds do count towards this sub-challenge. You can either wait until your dog finds 10 life fruit seeds or you plant one seed and harvest the fruits.
- 1 heart-shaped cut pink diamond
Pink Diamonds are extremely rare. Use your dog and let him search for gems. Your dog has to be lvl 10 and needs to have found at least 50 gems in total. The pink diamond was the 75th gem mine collected. Afterwards select the pink diamond in your inventory and choose cut -> heart-shape +200%. Wait a day and the heart-shaped cut pink diamond will be placed in your mail box.
- 100 units of scrap.
You can either buy scrap at the workbench or you can collect scrap behind buildings / after explosions / etc.
Afterwards you'll be able to invent the secret invention - a SimBot! Make sure to adopt it if you want to get this achievement:
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#3 Power of Heart - Recharge an invention with a Heart-cut-gem:
(Let your dog/) Collect any gem and select it from your inventory. Choose cut -> heart-shape +200%. Wait a day and the heart-shaped cut pink diamond will be placed in your mail box.
Click on any complex invention in your inventory and recharge it with the heart-cut-gem.
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#4 Self-Sustaining - Recharge a Ghost Zapper with a ghost.
Invent things until the Ghost Zapper is available. Wait until ~1-3 a.m. In-game messages will notify you of ghosts in the town. Visist any haunted location (ghost symbol on town map), click on a ghost and catch it. Afterwards select the ghost zapper from your inventory and recharge it with a ghost.
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Once you completed all 4 sub-challenges the main challenge & achievement will unlock.