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

In Little Alchemy 2, there are several hidden or rare elements that can be particularly interesting to discover. These elements often require creative or less obvious combinations. Below are some of the most intriguing hidden elements and how to achieve them:

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1. Universe
- How to Make It: The Universe is one of the most complex and rewarding elements to create. It requires combining multiple layers of elements.
- Steps:
1. Start with Earth + Fire to create Lava.
2. Combine Lava + Air to make Stone.
3. Combine Stone + Fire to create Metal.
4. Combine Metal + Earth to make Plow.
5. Combine Plow + Earth to create Field.
6. Combine Field + Fire to make Ash.
7. Combine Ash + Air to create Dust.
8. Combine Dust + Fire to make Gunpowder.
9. Combine Gunpowder + Fire to create Explosion.
10. Combine Explosion + Earth to make Volcano.
11. Combine Volcano + Earth to create Lava (again).
12. Combine Lava + Air to make Stone (again).
13. Combine Stone + Air to create Sand.
14. Combine Sand + Fire to make Glass.
15. Combine Glass + Sand to create Time.
16. Combine Time + Earth to make Fossil.
17. Combine Fossil + Earth to create Oil.
18. Combine Oil + Fire to make Energy.
19. Combine Energy + Earth to create Life.
20. Combine Life + Earth to make Human.
21. Combine Human + Energy to create Idea.
22. Combine Idea + Human to make Philosophy.
23. Combine Philosophy + Earth to create Big.
24. Combine Big + Earth to make Planet.
25. Combine Planet + Fire to create Sun.
26. Combine Sun + Energy to make Solar Cell.
27. Combine Solar Cell + Sun to create Electricity.
28. Combine Electricity + Sun to make Light.
29. Combine Light + Planet to create Sky.
30. Combine Sky + Sun to make Day.
31. Combine Day + Night to create Time (again).
32. Combine Time + Planet to make Universe.

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2. Life
- How to Make It: Life is a foundational element for many advanced creations.
- Steps:
1. Combine Water + Water to create Puddle.
2. Combine Puddle + Water to make Pond.
3. Combine Pond + Water to create Lake.
4. Combine Lake + Water to make Sea.
5. Combine Sea + Earth to create Primordial Soup.
6. Combine Primordial Soup + Energy to make Life.

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3. Time
- How to Make It: Time is a key element for creating advanced items like the Universe.
- Steps:
1. Combine Fire + Fire to create Energy.
2. Combine Energy + Earth to make Life.
3. Combine Life + Earth to create Human.
4. Combine Human + Energy to make Idea.
5. Combine Idea + Human to create Philosophy.
6. Combine Philosophy + Earth to make Big.
7. Combine Big + Earth to create Planet.
8. Combine Planet + Fire to make Sun.
9. Combine Sun + Energy to create Solar Cell.
10. Combine Solar Cell + Sun to make Electricity.
11. Combine Electricity + Sun to create Light.
12. Combine Light + Planet to make Sky.
13. Combine Sky + Sun to create Day.
14. Combine Day + Night to make Time.

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4. Philosophy
- How to Make It: Philosophy is a unique element that leads to other advanced creations.
- Steps:
1. Combine Fire + Fire to create Energy.
2. Combine Energy + Earth to make Life.
3. Combine Life + Earth to create Human.
4. Combine Human + Energy to make Idea.
5. Combine Idea + Human to create Philosophy.

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5. Big
- How to Make It: Big is a crucial element for creating larger items like the Planet and Universe.
- Steps:
1. Combine Fire + Fire to create Energy.
2. Combine Energy + Earth to make Life.
3. Combine Life + Earth to create Human.
4. Combine Human + Energy to make Idea.
5. Combine Idea + Human to create Philosophy.
6. Combine Philosophy + Earth to make Big.

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6. Primordial Soup
- How to Make It: Primordial Soup is essential for creating Life.
- Steps:
1. Combine Water + Water to create Puddle.
2. Combine Puddle + Water to make Pond.
3. Combine Pond + Water to create Lake.
4. Combine Lake + Water to make Sea.
5. Combine Sea + Earth to create Primordial Soup.

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7. Gunpowder
- How to Make It: Gunpowder is a fun and explosive element.
- Steps:
1. Combine Earth + Fire to create Lava.
2. Combine Lava + Air to make Stone.
3. Combine Stone + Fire to create Metal.
4. Combine Metal + Earth to make Plow.
5. Combine Plow + Earth to create Field.
6. Combine Field + Fire to make Ash.
7. Combine Ash + Air to create Dust.
8. Combine Dust + Fire to make Gunpowder.

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8. Electricity
- How to Make It: Electricity is a versatile element used in many combinations.
- Steps:
1. Combine Fire + Fire to create Energy.
2. Combine Energy + Earth to make Life.
3. Combine Life + Earth to create Human.
4. Combine Human + Energy to make Idea.
5. Combine Idea + Human to create Philosophy.
6. Combine Philosophy + Earth to make Big.
7. Combine Big + Earth to create Planet.
8. Combine Planet + Fire to make Sun.
9. Combine Sun + Energy to create Solar Cell.
10. Combine Solar Cell + Sun to make Electricity.

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These combinations are just the tip of the iceberg in Little Alchemy 2. Experimentation is key, so donÔÇÖt be afraid to try unusual combinations!