What are the most rewarding hidden game content in Little Alchemy 2?

In Little Alchemy 2, some of the most rewarding hidden content includes discovering rare or complex elements that require multiple steps or creative combinations. Here are some of the most satisfying hidden elements and how to achieve them:

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1. Unlocking the "Life" Element
- Life is a foundational element that unlocks many advanced combinations.
- Steps to Create Life:
1. Combine Water + Water to make a Puddle.
2. Combine Puddle + Puddle to make a Pond.
3. Combine Pond + Pond to make a Lake.
4. Combine Lake + Lake to make a Sea.
5. Combine Sea + Earth to make Primordial Soup.
6. Combine Primordial Soup + Energy to create Life.

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2. Creating the "Human" Element
- Human is a key element for unlocking many advanced combinations.
- Steps to Create Human:
1. Create Life (see above).
2. Combine Life + Clay to make Human.

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3. Unlocking the "Time" Element
- Time is a hidden element that opens up many advanced combinations.
- Steps to Create Time:
1. Combine Fire + Fire to make Energy.
2. Combine Energy + Earth to make Lava.
3. Combine Lava + Air to make Stone.
4. Combine Stone + Fire to make Metal.
5. Combine Metal + Stone to make Tool.
6. Combine Tool + Stone to make Wheel.
7. Combine Wheel + Tool to make Clock.
8. Combine Clock + Life to make Time.

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4. Discovering the "Universe" Element
- Universe is one of the most complex and rewarding elements to create.
- Steps to Create Universe:
1. Create Time (see above).
2. Combine Time + Space to make Universe.
- To create Space, combine Star + Star to make a Galaxy, then combine Galaxy + Galaxy to make Universe.

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5. Unlocking the "Philosophy" Element
- Philosophy is a fun and unexpected hidden element.
- Steps to Create Philosophy:
1. Create Human (see above).
2. Combine Human + Idea to make Philosophy.
- To create Idea, combine Light Bulb + Human.
- To create Light Bulb, combine Electricity + Glass.
- To create Electricity, combine Metal + Energy.

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6. Creating the "Corpse" Element
- Corpse is a morbid but interesting hidden element.
- Steps to Create Corpse:
1. Create Human (see above).
2. Combine Human + Time to make Corpse.

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7. Unlocking the "Deity" Element
- Deity is a rare and rewarding hidden element.
- Steps to Create Deity:
1. Create Human (see above).
2. Combine Human + Immortality to make Deity.
- To create Immortality, combine Fountain of Youth + Human.
- To create Fountain of Youth, combine Water + Time.

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Tips for Discovering Hidden Content:
- Experiment with Everything: Try combining elements that seem unrelated. Sometimes, the most unexpected combinations yield hidden elements.
- Use Hints Sparingly: If you're stuck, use hints to guide you, but try to solve puzzles on your own for a more rewarding experience.
- Think Outside the Box: Some elements require abstract thinking. For example, combining Time + Life creates Death, which can lead to other hidden elements.

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By following these steps and experimenting creatively, you can unlock some of the most rewarding hidden content in Little Alchemy 2!