Evolution

Combination of elements:
air + fire = energy;
fire + sand = glass;
fire + land = lava;
fire + water = alcohol;
lava + land = volcano;
land + water = dirt;
energy + water = life;
dirt + life = bacterium;
air + water = steam;
air + steam = cloud;
air + energy = storm;
air + lava = stone;
fire + stone = metal;
energy + metal = electricity;
bacterium + water = plankton;
bacterium + plankton = fish;
fish + plankton = whale;
life + stone = egg;
land + egg = lizard;
land + lizard = animal;
air + lizard = bird;
water + stone = sand;
sand + dirt = clay;
life + sand = seed;
seeds + land = palm;
storm + palm = bananas;
animal + bananas = monkey;
storm + electricity = thunderstorm;
tunderstorm + palm = wood;
wood + metal = roof;
wood + stone = hammer;
hummer + monkey = human;
hammer + stone = brick;
fire + sand = glass;
glass + wood = window;
clay + brick = house;
human + plankton = UFO;

Element Check List:

1. Fire
2. Air
3. Wind
4. Water
5. Steam
6. Energy
7. Lava
8. Dirt
9. Alcohol
10. Life
11. Volcano
12. Stone
13. Cloud
14. Storm
15. Metal
16. Bacterium
17. Sand
18. Egg
19. Plankton
20. Electricity
21. Glass
22. Seed
23. Lizard
24. Clay
25. Fish
26. Palm
27. Thunderstorm
28. Animal
29. Bird
30. Bananas
31. Monkey
32. Wood
33. Whale
34. Hammer
35. Roof
36. Window
37. Brick
38. Human
39. House
40. UFO

Plus this to keep it alive for others please.

There is a really small x on the upper-right of the tooltip.

Hope this helped someone.

fire + human =)))!!!! (see in island)

uh, after filling the list with stuff I got 94% complete.
So I checked the walkthrough, no extra stuff to do it seems. Did I miss something?